bba thermal assessment report ref s1/45978 · brackets were used, the boundary conditions are taken...

BBA Thermal Assessment Report Ref S1/45978

This report is the result of computer modelling of the thermal performance of a J&P Balcon balcony connector. It was carried out by BBA on behalf of J&P Building Systems Ltd to establish certain thermal factors and values relating to the use of a Balcon bracket, a steel balcony stub, and insulation wrapped around the stub.

Whilst the construction is based on the actual details relating to an actual project where the brackets were used, the boundary conditions are taken from BS EN ISO 6946:2007 and BS EN ISO 137788:2002.

The report consists of several parts:

Appendix A – This shows details of the construction, the basic thermal conductivity of each element, and sets out the geometry of the modelling. In particular, the stub was steel, and the insulation used was standard expanded polystyrene, 80mm thick.

Appendix B – This gives the computer output generated by the modelling. It also specifies the individual elements used. Appendix C – Calculation methodology. This summarises the results and also draws certain conclusions.

Most important amongst these is the value derived for the temperature factor fRsi of 0.755, which should be compared with BRE Information Paper IP 1/06 ‘Assessing the effects of thermal bridging at junctions and around openings’. This document gives a value of fCRsi = 0.75 (or greater) as acceptable for the minimisation of risk of internal surface condensation in dwellings, residential buildings and schools. Thus the construction assessed exceeds the requirements for the prevention of condensation. Whilst this is based only on the construction used, it should be noted that the steel stub considered was a 254 x 254 UC. Lighter ‘I’ sections, or a fin plate will give less heat flow and hence an even better result.

Appendix D – The initial Interim report.

The various factors contained in appendix C may be incorporated into more general calculations to carry out assessments of the building as a whole.

The report is made available by J&P with no claims other than the figures contained therein.

Head of Engineering J&P Building Systems Ltd Thame 40 Jane Morbey Road Thame Oxfordshire OX9 3RR

©British Board of Agrément 2010 Assessment Report Ref: S1/45978

Page 1 of 4 pages

Bucknalls Lane, Garston Watford, Herts WD25 9BA Telephone: 01923 665300 Facsimile: 01923 665301

e-mail: [email protected] website: www.bbacerts.co.uk

BRITISH BOARD OF AGRÉMENT ASSESSMENT REPORT Ref: S1/45978

Contents

1 Introduction 2 Product description 3 Results 4 Appendices

Summary

This report concerns the computer modelling of the thermal performance of a balcony connector. It gives an estimate of the Ψ value and temperature factor for a particular construction.

Full details of the material properties used and the assumptions made are given in the appendices to this report.

Prepared by: Authorised by: (Cary Randall – Project Manager) (Brian Chamberlain – Head of Approvals – Engineering)

Date: 23 April 2010 Date: 23 April 2010

On behalf of the British Board of Agrément

mailto:[email protected]


http://www.bbacerts.co.uk/

Assessment Report Ref: S1/45978

Page 2 of 4 pages

This Report:

● relates only to the product/system and sample/specimen thereof named and described herein ● relates only to the test conditions described herein ● is issued only to the company, firm, organisation or person named herein — no other company, firm, organisation

or person may hold this Report or claim that it has been issued to them ● has to be read, considered and used as a whole document — it may be misleading and will be incomplete to be

selective ● is copyright of the BBA ● is subject to English Law.

No verification of any of the materials, samples, specimens, information, data or documents supplied to the BBA has been made, except where otherwise stated.

Publications, documents, specifications and similar matter that are referred to herein,, are those that were current at the date of issue of this Report, except where otherwise stated.

The BBA has used due skill, care and diligence in preparing this Report, but no warranty is given or implied.

In issuing this Report, the BBA is not responsible; and is excluded from any liability to any company, firm, organisation or person; for any matters arising directly or indirectly from:

● the presence or absence of any patent, intellectual property or similar rights subsisting in the product/system ● individual installations of the product/system, including their nature, design, methods, performance, workmanship

and maintenance ● any works and constructions in which the product/system is installed, including their nature, design, methods,

performance, workmanship and maintenance

● any loss or damage, including personal injury, howsoever caused by the product/system, including its manufacture, supply, installation, use, maintenance and removal.

This Report does not constitute an approval or endorsement of the product/system.


Page 3 of 4 pages

Temperature (oC) Boundary condition (m

2K W

-1)

Internal External

20 0 Horizontal 0.13

Upwards 0.1

Downwards 0.17

External 0.04 (1)

0.25

Client: J and P Building Systems Ltd

Thame Forty

Jane Morbey Road

Thame

Oxon

OX9 3RR

Job No: S1/45978

Report by: Cary Randall

Work period: March 2010 – April 2010

1 Introduction

This report relates to the computer modelling of the J & P Building Systems Ltd Balcony Connector shown in Appendix A, Figure 1. The modelling was carried out in accordance with:

• BS EN ISO 6946 : 2007, Building components and building elements. Thermal resistance and

thermal transmittance. Calculation method,

• BS EN ISO10211 : 2007, Thermal bridges in building construction. Heat flows and surface temperatures. Detailed calculations

• BRE Report 497 : 2007 Conventions for calculating linear thermal transmittance and temperature factors.

Particular attention was paid to BS EN ISO 137788 : 2002 Hygrothermal performance of building components and building elements — Internal surface temperature to avoid critical surface humidity and interstitial condensation — Calculation methods in connection with the determination of surface temperature factors.

2 Product description

The computer model comprises the steel balcony connector as shown in Appendix A below. The balcony

connector incorporates EPS insulation stated to have a thermal conductivity of 0.035 W m-1K

-1.

3 Boundary conditions

The boundary conditions used for the modelling were taken from Table 1 of BS EN ISO 6946 : 2007. The

value given in BS EN ISO 137788 : 2002 was used to determine the worst case for a temperature

factor.

These values are given in Table 1 below.

Table 1 − Boundary conditions used

(1)

Worst case for temperature factor


Page 4 of 4 pages

4 Results

Table 2 below shows the relevant Ψ values and temperature factors estimated from the computer

models. The results relate to the size of balcony connector installed at the centres mentioned in

Appendix A below. Other constructions will have different thermal performance.

Additional information, including the calculation methodology, the temperature profiles for each model

and spreadsheet data can be found in Appendix A.

Table 2 − Results

Construction Ψ (W m-1

K-1

) f (4) Rsi

Balcony connector (1)

Plain wall(2)

0.5656

0.5663

0.828

-

Balcony connector(3)

0.5088 0.755 (1) normal boundary conditions (2) BBA U value calculator with no floor slab (3) worst case for temperature factor from BS EN ISO 13788:2002 (4) f

Rsi taken from Trisco output


Appendix A − Additional information

The three-dimensional computer modelling was carried out using a package called TRISCO, details concerning this are given on the computer output reports included in Appendix B. The geometry of the model can be seen in figures 3, 4, 5 and 6 below. The material properties and boundary conditions are given in the input data below. The calculation methodology and spreadsheet printouts are given in Appendix C. The interim report supplied in connection with this work is included in Appendix D.

Additional information

The computer model is based upon the construction shown in figure 2 below. Lines of symmetry were

drawn at 800mm centres around the balcony connector; this forms the extent of the model. The models

have been constructed with the assumption that the cavity wall insulation is packed in such a way that it

is in contact with the EPS of the balcony connector.

EPS

Figure 1 – Steel balcony connector assembly

Figure 2 – Cross section of the wall construction modelled

with thermal conductivity in W m-1

K-1

for each part of the construction

Figure 3 – Balcony connector geometry with PFC and universal beam

Figure 4 – Balcony connector geometry showing EPS

28-29

29-30

30-31

31-32

32-33

33-34

34-35

35-36

36-37

37-38

38-39

39-40

40-41

41-42

42-43

43-44

44-45

45-46

46-47

47-48

48-49 49-50

1.000

1.000

1.000

1.000

3.000

3.000

0.500

0.500

0.500

0.500

1.000

1.000

1.000

1.000

6.000

6.000

16.000

16.000

1.000

1.000

1.000 1.000

1.000

1.000

2.500

2.500

5.250

5.250

1.500

1.500

1.750

1.750

0.500

0.500

2.500

2.500

1.000

1.000

1.000

1.000

0.500

0.500

6.000 6.000

1.250

1.250

0.250

0.250

4.000

4.000

2.500

2.500

0.500

0.500

43.500

43.500

4.000

4.000

2.000

2.000

2.500

2.500

2.500

2.500

0.750 0.750


Figure 5 – Wall construction showing thermal conductivity taken for each material

Figure 6 – Wall construction showing the balcony connector set into the wall construction

TRISCO - Input Data

TRISCO data file: J and P Balcony connector and wall construction 800 centres.trc

GRID

Grid unit = 0.001 m

No. X Y Z _

0-1 53.500 98.000 250.000

1-2 53.500 98.000 250.000

2-3 21.500 1.500 12.500

3-4 21.500 1.500 12.500

4-5 174.950 8.500 12.450

5-6 174.950 8.500 12.450

6-7 0.050 3.250 0.050

7-8 0.050 3.250 0.050

8-9 7.500 2.750 8.250

9-10 7.500 2.750 8.250

10-11 12.500 9.750 1.500

11-12 12.500 9.750 1.500

12-13 77.500 6.750 3.450

13-14 77.500 6.750 3.450

14-15 6.000 2.000 7.100

15-16 6.000 2.000 7.100

16-17 2.500 1.250 4.450

17-18 2.500 1.250 4.450

18-19 8.000 1.600 1.500

19-20 8.000 1.600 1.500

20-21 2.000 0.150 5.750

21-22 2.000 0.150 5.750

22-23 1.500 1.750 5.250

23-24 1.500 1.750 5.250

24-25 1.500 1.250 2.500

25-26 1.500 1.250 2.500

26-27 0.500 1.500 3.500

27-28 0.500 1.500 3.500

106-107

107-108

108-109

109-110

110-111

111-112

112-113

113-114

114-115

115-116

116-117

117-118

118-119

119-120

120-121

121-122

122-123

123-124

124-125

125-126

126-127 127-128

0.250

0.250

1.500

1.500

6.750

6.750

2.500

2.500

1.000

1.000

1.250

1.250

0.250

0.250

2.150

2.150

0.350

0.350

0.500

0.500

0.750 0.750


50-51 5.000 0.250 4.250

51-52 5.000 0.250 4.250

52-53 12.000 6.250 8.250

53-54 12.000 6.250 8.250

54-55 5.000 1.000 5.500

55-56 5.000 1.000 5.500

56-57 4.000 5.250 2.750

57-58 4.000 5.250 2.750

58-59 2.000 0.750 1.500

59-60 2.000 0.750 1.500

60-61 4.500 2.750 2.500

61-62 4.500 2.750 2.500

62-63 18.500 6.500 1.000

63-64 18.500 6.500 1.000

64-65 6.000 5.000 0.400

65-66 6.000 5.000 0.400

66-67 21.000 1.000 2.100

67-68 21.000 1.000 2.100

68-69 30.500 4.600 2.500

69-70 30.500 4.600 2.500

70-71 424.000 4.300 2.500

71-72 424.000 4.300 2.500

72-73 4.100 1.500

73-74 4.100 1.500

74-75 2.500 3.000

75-76 2.500 3.000

76-77 5.000 3.750

77-78 5.000 3.750

78-79 8.500 1.500

79-80 8.500 1.500

80-81 0.750 2.750

81-82 0.750 2.750

82-83 5.500 7.000

83-84 5.500 7.000

84-85 0.500 0.250

85-86 0.500 0.250

86-87 0.500 0.050

87-88 0.500 0.050

88-89 5.750 9.950

89-90 5.750 9.950

90-91 1.750 12.500

91-92 1.750 12.500

92-93 4.500 250.000

93-94 4.500 250.000

94-95 1.500 95-96 1.500 96-97 0.500 97-98 0.500 98-99 1.000 99-100 1.000 100-101 1.000 101-102 1.000 102-103 2.500 103-104 2.500 104-105 0.500 105-106 0.500

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51 52

9

9

9

9

87

87

87

87

9

9

9

9

9

9

9

9

9

9

9

9

9 9

54

54

54

54

42

42

42

42

44

44

44

4

4

2

14

2

2

14

2

4

4 4

66

66

66

66

44

44

44

44

56

56

56

36

36

14

16

14

14

16

14

36

36 36

84

48

84

48

90

24

68

108

58

58

58

92

16

6

6

56

82

82

140

48

16 120

94

54

94

54

128

36

74

118

80

62

80

96

26

10

60

60

86

144

144

50

26 132

22

22

50

50

26

42

42

42

32

38

70

24

24

62

62

62

62

62

62

40

40 40

30

30

54

54

34

60

60

60

38

70

76

28

28

70

70

70

70

70

70

44

44 44


128-129 1.250 129-130 1.250

130-131 1.500

131-132 1.500

132-133 1.000

133-134 1.000

134-135 1.000

135-136 1.000

136-137 5.250

137-138 5.250

138-139 11.250

139-140 11.250

140-141 1.250

141-142 1.250

142-143 4.750

143-144 4.750

144-145 8.500

145-146 8.500

146-147 1.500

147-148 1.500

148-149 98.000

149-150 98.000

Sum 1868.000 800.000 1415.000

BLOCKS No. Col. Xmin Xmax Ymin Ymax Zmin Zmax

1 2 70 72 0 150 82 94

2 2 70 72 0 150 0 10

3 6 42 60 8 142 12 84

4 9 60 62 0 150 8 80

5 9 62 68 0 150 8 10

6 9 62 68 0 150 74 80

7 9 62 72 20 122 14 16

8 9 62 72 20 122 66 72

9 9 62 72 70 72 16 66

10 9 16 42 4 146 44 46

11 9 26 42 4 146 46 52

12 9 16 18 4 146 46 68

13 9 26 42 4 146 58 68

14 9 16 42 4 146 68 70

15 9 16 42 2 4 44 70

16 9 16 42 146 148 44 70

17 9 20 26 98 136 48 64

18 9 26 52 106 126 52 58

19 89 18 26 4 146 46 68

20 9 32 40 30 42 24 36

21 9 40 50 32 40 26 34

22 9 20 26 14 46 48 64

23 9 26 52 22 38 52 58

24 9 42 44 12 138 18 76

25 9 20 26 64 78 48 64

26 9 26 52 66 76 52 58

27 9 20 26 96 134 48 64

28 9 26 52 104 124 52 58

29 87 42 44 18 52 26 34

30 9 56 60 34 110 18 76

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129 130

93

1

94

95

95

1

1

99

99

99

99

99

99

99

99

99

99

99

99

99

99 60

68

62

58

58

58

62

62

62

62

62

62

62

62

62

62

66

66

62

66

66

62 68

70

72

60

60

60

72

72

72

72

72

72

72

72

72

72

72

72

72

72

72

72 70

0

0

0

142

0

0

122

20

94

48

88

88

48

48

88

48

48

54

88

88

72 0

150

150

150

150

8

20

150

48

122

54

94

94

54

54

94

54

54

70

94

94

88 150

72

12

8

8

8

14

14

16

16

30

30

54

54

16

16

22

50

16

22

50

16 8

78

14

12

78

78

72

72

66

66

50

50

66

66

22

22

30

54

66

30

54

66 10


53 9 4 36 92 96 40 44

54 9 4 36 48 50 24 28

55 9 22 42 96 100 20 44

56 9 22 24 100 116 20 44

57 9 34 42 100 104 20 44

58 9 34 42 112 116 20 44

59 9 22 42 116 120 20 44

60 88 24 34 100 116 20 44

61 9 22 42 26 28 20 44

62 9 22 24 28 44 20 44

63 9 34 42 28 32 20 44

64 9 34 42 40 44 20 44

65 9 22 42 44 48 20 44

66 9 28 34 102 114 24 36

67 9 34 46 104 112 26 34

68 9 30 38 30 42 24 36

69 9 38 48 32 40 26 34

70 88 24 34 28 44 20 44

71 88 34 42 32 40 20 44

72 9 22 42 26 48 18 20

73 88 34 42 104 112 20 44

74 9 22 42 96 120 18 20

75 89 26 42 4 146 52 58

76 9 4 36 116 130 24 28

77 9 62 72 0 150 10 12

78 3 6 8 0 150 88 94

79 3 6 8 0 150 0 6

80 62 0 8 0 150 6 8

81 63 0 8 0 150 86 88

82 4 64 70 0 150 0 8

83 4 64 70 0 150 78 94

84 12 70 72 0 150 72 82

85 5 58 64 0 150 0 8

86 5 58 64 0 150 80 94

87 5 60 64 0 150 78 80

88 5 58 60 0 8 78 80

89 5 58 60 142 150 78 80

90 7 42 58 0 150 0 12

91 7 42 58 0 150 80 94

92 7 42 58 142 150 78 80

93 7 42 58 0 8 78 80

94 7 42 58 142 150 12 78

95 7 42 58 0 8 12 78

96 8 12 42 0 150 0 8

97 10 10 12 0 150 0 2

98 12 10 12 0 150 2 4

99 10 10 12 0 150 4 8

100 15 8 10 0 150 0 8

101 8 12 42 0 150 56 94

102 19 0 12 0 150 56 80

103 11 0 12 0 150 80 86

104 10 10 12 0 150 86 90

105 12 10 12 0 150 90 92

106 10 10 12 0 150 92 94

107 15 8 10 0 150 86 94

108 1 62 68 0 150 72 74

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46 47

9

9

9

87

9

9

9

9

9

87

87

87

87

9

9

9

9

9

9

9

9 9

738.000

728.000

738.000

755.000

847.000

837.000

837.000

837.000

837.000

755.000

755.000

755.000

755.000

767.000

767.000

767.000

150.000

150.000

107.000

695.000

107.000 107.000

813.000

738.000

813.000

767.000

859.000

917.000

917.000

917.000

917.000

767.000

767.000

767.000

767.000

847.000

847.000

847.000

750.000

750.000

695.000

707.000

695.000 695.000

382.500

484.000

494.000

267.500

297.500

455.000

315.000

455.000

315.000

468.500

274.500

384.500

495.500

352.500

352.500

352.500

472.000

265.000

216.000

216.000

342.000 444.000

415.500

537.000

527.000

327.500

498.500

481.000

340.000

481.000

340.000

529.500

300.500

410.500

521.500

442.500

359.500

442.500

484.000

277.000

228.000

354.000

354.000 456.000

772.500

762.500

772.500

629.500

599.500

614.000

614.000

764.000

764.000

629.500

748.500

748.500

748.500

639.500

653.500

825.500

624.500

624.500

813.500

813.500

813.500 813.500

805.500

815.500

805.500

647.500

839.500

639.000

639.000

789.000

789.000

647.500

808.500

808.500

808.500

653.500

825.500

839.500

636.500

636.500

825.500

825.500

825.500 825.500


131 25 0 42 0 150 8 18

132 25 0 42 0 16 18 44

133 25 0 42 138 150 18 44

134 25 0 16 2 148 44 56

135 25 0 42 0 2 44 56

136 25 0 42 148 150 44 56

137 25 0 42 50 92 18 44

138 25 0 42 92 96 28 40

139 25 0 22 16 26 28 40

140 25 0 42 92 96 18 24

141 25 0 42 120 130 28 40

142 25 0 4 92 96 24 28

143 25 0 4 120 132 40 44

144 25 0 4 92 96 40 44

145 25 0 22 92 120 28 40

146 25 0 22 96 130 18 24

147 25 0 4 116 130 24 28

148 25 0 22 96 116 24 28

149 25 0 22 96 120 40 44

150 25 0 42 130 138 18 40

151 25 0 42 132 138 40 44

152 25 0 4 16 26 24 28

153 25 0 4 48 50 40 44

154 25 0 4 16 26 40 44

155 25 0 4 48 50 24 28

156 25 0 4 48 50 40 44

157 25 0 22 16 50 18 24

158 25 0 22 26 48 24 44

159 25 0 22 48 50 28 40

No. Col. Xmin Ymax Zmin Xmax Ymin Zmax

1 2 1020.000 1868.000 0.000 800.000 855.500 1415.000 2 2 1020.000 1868.000 0.000 800.000 0.000 566.500

3 6 755.000 859.000 222.500 574.500 569.500 869.500

4 9 859.000 868.000 0.000 800.000 550.000 850.000

5 9 868.000 959.000 0.000 800.000 550.000 566.500

6 9 868.000 959.000 0.000 800.000 833.500 850.000

7 9 868.000 1868.000 270.700 526.300 576.400 590.600

8 9 868.000 1868.000 270.700 526.300 816.300 830.500

9 9 868.000 1868.000 393.700 402.300 590.600 816.300

10 9 707.000 755.000 199.000 601.000 752.500 757.500

11 9 738.000 755.000 199.000 601.000 757.500 772.500

12 9 707.000 712.000 199.000 601.000 757.500 820.500

13 9 738.000 755.000 199.000 601.000 805.500 820.500

14 9 707.000 755.000 199.000 601.000 820.500 825.500

15 9 707.000 755.000 196.000 199.000 752.500 825.500

16 9 707.000 755.000 601.000 604.000 752.500 825.500

17 9 728.000 738.000 485.000 539.000 762.500 815.500

18 9 738.000 813.000 495.000 528.000 772.500 805.500

19 89 712.000 738.000 199.000 601.000 757.500 820.500

20 9 743.000 753.000 282.000 310.000 624.500 652.500

21 9 753.000 803.000 287.000 305.000 629.500 647.500

22 9 728.000 738.000 261.000 314.000 762.500 815.500

23 9 738.000 813.000 271.000 304.000 772.500 805.500

24 9 755.000 767.000 247.500 549.500 599.500 839.500

25 9 728.000 738.000 372.500 425.500 762.500 815.500


48 9 695.000 707.000 444.000 584.000 813.500 825.500

49 9 107.000 695.000 572.000 584.000 813.500 825.500

50 9 150.000 750.000 315.000 327.000 740.500 752.500

51 9 150.000 750.000 265.000 277.000 740.500 752.500

52 9 150.000 750.000 522.000 535.000 740.500 752.500

53 9 150.000 750.000 472.000 484.000 740.500 752.500

54 9 150.000 750.000 315.000 327.000 624.500 636.500

55 9 732.000 755.000 484.000 487.000 602.500 752.500

56 9 732.000 735.000 487.000 519.000 602.500 752.500

57 9 749.000 755.000 487.000 494.000 602.500 752.500

58 9 749.000 755.000 512.000 519.000 602.500 752.500

59 9 732.000 755.000 519.000 522.000 602.500 752.500

60 88 735.000 749.000 487.000 519.000 602.500 752.500

61 9 732.000 755.000 277.000 280.000 602.500 752.500

62 9 732.000 735.000 280.000 312.000 602.500 752.500

63 9 749.000 755.000 280.000 287.000 602.500 752.500

64 9 749.000 755.000 305.000 312.000 602.500 752.500

65 9 732.000 755.000 312.000 315.000 602.500 752.500

66 9 739.000 749.000 489.000 517.000 624.500 652.500

67 9 749.000 799.000 494.000 512.000 629.500 647.500

68 9 741.000 751.000 282.000 310.000 624.500 652.500

69 9 751.000 801.000 287.000 305.000 629.500 647.500

70 88 735.000 749.000 280.000 312.000 602.500 752.500

71 88 749.000 755.000 287.000 305.000 602.500 752.500

72 9 732.000 755.000 277.000 315.000 599.500 602.500

73 88 749.000 755.000 494.000 512.000 602.500 752.500

74 9 732.000 755.000 484.000 522.000 599.500 602.500

75 89 738.000 755.000 199.000 601.000 772.500 805.500

76 9 150.000 750.000 519.000 532.000 624.500 636.500

77 9 868.000 1868.000 0.000 800.000 566.500 569.500

78 3 499.900 500.000 0.000 800.000 870.100 1415.000

79 3 499.900 500.000 0.000 800.000 0.000 549.900

80 62 0.000 500.000 0.000 800.000 549.900 550.000

81 63 0.000 500.000 0.000 800.000 870.000 870.100

82 4 905.000 1020.000 0.000 800.000 0.000 550.000

83 4 905.000 1020.000 0.000 800.000 847.000 1415.000

84 12 1020.000 1868.000 0.000 800.000 830.500 855.500

85 5 855.000 905.000 0.000 800.000 0.000 550.000

86 5 855.000 905.000 0.000 800.000 850.000 1415.000

87 5 859.000 905.000 0.000 800.000 847.000 850.000

88 5 855.000 859.000 0.000 222.500 847.000 850.000

89 5 855.000 859.000 574.500 800.000 847.000 850.000

90 7 755.000 855.000 0.000 800.000 0.000 569.500

91 7 755.000 855.000 0.000 800.000 850.000 1415.000

92 7 755.000 855.000 574.500 800.000 847.000 850.000

93 7 755.000 855.000 0.000 222.500 847.000 850.000

94 7 755.000 855.000 574.500 800.000 569.500 847.000

95 7 755.000 855.000 0.000 222.500 569.500 847.000

96 8 540.000 755.000 0.000 800.000 0.000 550.000

97 10 515.000 540.000 0.000 800.000 0.000 500.000

98 12 515.000 540.000 0.000 800.000 500.000 525.000

99 10 515.000 540.000 0.000 800.000 525.000 550.000

100 15 500.000 515.000 0.000 800.000 0.000 550.000

101 8 540.000 755.000 0.000 800.000 800.000 1415.000

102 19 0.000 540.000 0.000 800.000 800.000 850.000

103 11 0.000 540.000 0.000 800.000 850.000 870.000

104 10 515.000 540.000 0.000 800.000 870.000 890.000

105 12 515.000 540.000 0.000 800.000 890.000 915.000

106 10 515.000 540.000 0.000 800.000 915.000 1415.000

107 15 500.000 515.000 0.000 800.000 870.000 1415.000

108 1 868.000 959.000 0.000 800.000 830.500 833.500

109 93 959.000 1020.000 0.000 800.000 830.500 847.000

110 1 868.000 1868.000 0.000 800.000 569.500 576.400

111 94 855.000 859.000 0.000 800.000 550.000 569.500

112 95 855.000 859.000 574.500 800.000 550.000 847.000

113 95 855.000 859.000 0.000 222.500 550.000 847.000

114 1 868.000 1868.000 0.000 270.700 576.400 830.500

115 1 868.000 1868.000 526.300 800.000 576.400 830.500

116 99 868.000 1868.000 270.700 315.000 590.600 816.300

117 99 868.000 1868.000 481.000 526.300 590.600 816.300

118 99 868.000 1868.000 315.000 340.000 639.000 764.000

119 99 868.000 1868.000 457.000 481.000 639.000 764.000

120 99 868.000 1868.000 457.000 481.000 789.000 816.300

121 99 868.000 1868.000 315.000 340.000 789.000 816.300

122 99 868.000 1868.000 315.000 340.000 590.600 614.000

123 99 868.000 1868.000 457.000 481.000 590.600 614.000

124 99 917.000 1868.000 315.000 340.000 614.000 639.000

125 99 917.000 1868.000 315.000 340.000 764.000 789.000


126 99 868.000 1868.000 340.000 393.700 590.600 816.300

127 99 917.000 1868.000 457.000 481.000 614.000 639.000

128 99 917.000 1868.000 457.000 481.000 764.000 789.000

129 99 868.000 1868.000 402.300 457.000 590.600 816.300

130 60 959.000 1020.000 0.000 800.000 550.000 566.500

131 25 0.000 755.000 0.000 800.000 550.000 599.500

132 25 0.000 755.000 0.000 265.000 599.500 752.500

133 25 0.000 755.000 549.500 800.000 599.500 752.500

134 25 0.000 707.000 196.000 604.000 752.500 800.000

135 25 0.000 755.000 0.000 196.000 752.500 800.000

136 25 0.000 755.000 604.000 800.000 752.500 800.000

137 25 0.000 755.000 327.000 472.000 599.500 752.500

138 25 0.000 755.000 472.000 484.000 636.500 740.500

139 25 0.000 732.000 265.000 277.000 636.500 740.500

140 25 0.000 755.000 472.000 484.000 599.500 624.500

141 25 0.000 755.000 522.000 532.000 636.500 740.500

142 25 0.000 150.000 472.000 484.000 624.500 636.500

143 25 0.000 150.000 522.000 535.000 740.500 752.500

144 25 0.000 150.000 472.000 484.000 740.500 752.500

145 25 0.000 732.000 472.000 522.000 636.500 740.500

146 25 0.000 732.000 484.000 532.000 599.500 624.500

147 25 0.000 150.000 519.000 532.000 624.500 636.500

148 25 0.000 732.000 484.000 519.000 624.500 636.500

149 25 0.000 732.000 484.000 522.000 740.500 752.500

150 25 0.000 755.000 532.000 549.500 599.500 740.500

151 25 0.000 755.000 535.000 549.500 740.500 752.500

152 25 0.000 150.000 265.000 277.000 624.500 636.500

153 25 0.000 150.000 315.000 327.000 740.500 752.500

154 25 0.000 150.000 265.000 277.000 740.500 752.500

155 25 0.000 150.000 315.000 327.000 624.500 636.500

156 25 0.000 150.000 315.000 327.000 740.500 752.500

157 25 0.000 732.000 265.000 327.000 599.500 624.500

158 25 0.000 732.000 277.000 315.000 624.500 752.500

159 25 0.000 732.000 315.000 327.000 636.500 740.500

COLOURS

Col. Type CEN-rule Name lambda eps t h q

[W/mK] [-] [°C] [W/m²K] [W/m²]

1 EQUIMAT CEN_Xy_I Baclony cavity 4.039 2 BC_SIMPL HE External normal 0.0 25.00 0

3 BC_SIMPL HI_NORML Internal normal 20.0 7.70 0

4 MATERIAL Outer leaf 1.100 5 EQUIMAT CEN_Xy_I 50 mm cavity 0.215 6 MATERIAL Insulation 0.035 7 MATERIAL Insulation 1 0.040 8 MATERIAL Inner leaf 0.210 9 MATERIAL Steel 50.000

10 EQUIMAT CEN_Xy_I 25 mm cavity 0.123 11 MATERIAL Floor covering 1.200 12 MATERIAL Timber batten 0.130 15 MATERIAL Plasterboard 0.250 19 MATERIAL Floor screed 1.400 25 MATERIAL Floor 2.100 60 MATERIAL Mortar 1.000 62 BC_SIMPL NIHIL Heat flow upwar 20.0 10.00 0

63 BC_SIMPL NIHIL Heat flow downw 20.0 5.88 0

87 EQUIMAT CEN_Xy_I Bolt hole cavit 0.043 88 EQUIMAT CEN_Xy_I Jordahl cavity 0.063 89 EQUIMAT CEN_Xy_I Jordahl cavity 0.196 93 EQUIMAT CEN_Xy_I Small cavity in 0.287 94 EQUIMAT CEN_Xy_I Small cavity be 0.040 95 EQUIMAT CEN_Xy_I Small cavity be 0.037 99 EQUIMAT CEN_Xy_I Balcony cavity 3.170

18-19

19-20

20-21

21-22

22-23

23-24

24-25

25-26

26-27

27-28

28-29

29-30

30-31

31-32

32-33

33-34

34-35

35-36

36-37

37-38

38-39

39-40

8.000

8.000

2.000

2.000

1.500

1.500

1.500

1.500

0.500

0.500

1.000

1.000

1.000

1.000

3.000

3.000

0.500

0.500

0.500

0.500

1.000

1.000

1.600

1.600

0.150

0.150

1.750

1.750

1.250

1.250

1.500

1.500

1.000

1.000

2.500

2.500

5.250

5.250

1.500

1.500

1.750

1.750

0.500

0.500

1.500

1.500

5.750

5.750

5.250

5.250

2.500

2.500

3.500

3.500

1.250

1.250

0.250

0.250

4.000

4.000

2.500

2.500

0.500

0.500

43.500

43.500


Col. ta hc

[°C] [W/m²K]

Pc

[W]

tr

[°C]

C1 C2 C3

_

1 0.025 0.73 0.333333

2 3 5 0.025 0.73 0.333333

10 0.025 0.73 0.333333

62 63 87 0.025 0.73 0.333333

88 0.025 0.73 0.333333

89 0.025 0.73 0.333333

93 0.025 0.73 0.333333

94 0.025 0.73 0.333333

95 0.025 0.73 0.333333

99 0.025 0.73 0.333333

Calculation parameters

Iteration cycles = 5

Maximum number of iterations (within each iteration cycle) = 10000

Maximum temperature difference (within each iteration cycle) = 0.0001°C

Maximum temperature difference (between iteration cycles) = 0.001°C

Heat flow divergence for total object = 0.001 %

Heat flow divergence for worst node = 1 %

Automatic recalculation of CEN-values

Default temperature difference across airspace = 10°C

TRISCO - Input Data

TRISCO data file: J and P Balcony connector and wall construction 800 centres worst case for temp

factor.trc

GRID

Grid unit = 0.001 m

No. X Y Z _

0-1 53.500 98.000 250.000

1-2 53.500 98.000 250.000

2-3 21.500 1.500 12.500

3-4 21.500 1.500 12.500

4-5 174.950 8.500 12.450

5-6 174.950 8.500 12.450

6-7 0.050 3.250 0.050

7-8 0.050 3.250 0.050

8-9 7.500 2.750 8.250

9-10 7.500 2.750 8.250

10-11 12.500 9.750 1.500

11-12 12.500 9.750 1.500

12-13 77.500 6.750 3.450

13-14 77.500 6.750 3.450

14-15 6.000 2.000 7.100

15-16 6.000 2.000 7.100

16-17 2.500 1.250 4.450

17-18 2.500 1.250 4.450

96-97

97-98

98-99

99-100

100-101

101-102

102-103

103-104

104-105

105-106

106-107

107-108

108-109

109-110

110-111

111-112

112-113

113-114

114-115

115-116

116-117 117-118

0.500

0.500

1.000

1.000

1.000

1.000

2.500

2.500

0.500

0.500

0.250

0.250

1.500

1.500

6.750

6.750

2.500

2.500

1.000

1.000

1.250 1.250


40-41 1.000 2.500 4.000

41-42 1.000 2.500 4.000

42-43 6.000 1.000 2.000

43-44 6.000 1.000 2.000

44-45 16.000 1.000 2.500

45-46 16.000 1.000 2.500

46-47 1.000 0.500 2.500

47-48 1.000 0.500 2.500

48-49 1.000 6.000 0.750

49-50 1.000 6.000 0.750

50-51 5.000 0.250 4.250

51-52 5.000 0.250 4.250

52-53 12.000 6.250 8.250

53-54 12.000 6.250 8.250

54-55 5.000 1.000 5.500

55-56 5.000 1.000 5.500

56-57 4.000 5.250 2.750

57-58 4.000 5.250 2.750

58-59 2.000 0.750 1.500

59-60 2.000 0.750 1.500

60-61 4.500 2.750 2.500

61-62 4.500 2.750 2.500

62-63 18.500 6.500 1.000

63-64 18.500 6.500 1.000

64-65 6.000 5.000 0.400

65-66 6.000 5.000 0.400

66-67 21.000 1.000 2.100

67-68 21.000 1.000 2.100

68-69 30.500 4.600 2.500

69-70 30.500 4.600 2.500

70-71 424.000 4.300 2.500

71-72 424.000 4.300 2.500

72-73 4.100 1.500

73-74 4.100 1.500

74-75 2.500 3.000

75-76 2.500 3.000

76-77 5.000 3.750

77-78 5.000 3.750

78-79 8.500 1.500

79-80 8.500 1.500

80-81 0.750 2.750

81-82 0.750 2.750

82-83 5.500 7.000

83-84 5.500 7.000

84-85 0.500 0.250

85-86 0.500 0.250

86-87 0.500 0.050

87-88 0.500 0.050

88-89 5.750 9.950

89-90 5.750 9.950

90-91 1.750 12.500

91-92 1.750 12.500

92-93 4.500 250.000

93-94 4.500 250.000

94-95 1.500 95-96 1.500

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41 42

9

9

9

9

9

9

9

9

87

9

9

9

9

9

87

87

87

87

9

9

9 9

40

20

26

42

20

26

20

26

42

56

54

54

54

54

42

42

42

42

44

44

44 4

50

26

52

44

26

52

26

52

44

60

66

66

66

66

44

44

44

44

56

56

56 36

32

14

22

12

64

66

96

104

18

34

84

48

84

48

90

24

68

108

58

58

58 92

40

46

38

138

78

76

134

124

52

110

94

54

94

54

128

36

74

118

80

62

80 96

26

48

52

18

48

52

48

52

26

18

22

22

50

50

26

42

42

42

32

38

70 24

34

64

58

76

64

58

64

58

34

76

30

30

54

54

34

60

60

60

38

70

76 28


118-119 0.250 119-120 0.250

120-121 2.150

121-122 2.150

122-123 0.350

123-124 0.350

124-125 0.500

125-126 0.500

126-127 0.750

127-128 0.750

128-129 1.250

129-130 1.250

130-131 1.500

131-132 1.500

132-133 1.000

133-134 1.000

134-135 1.000

135-136 1.000

136-137 5.250

137-138 5.250

138-139 11.250

139-140 11.250

140-141 1.250

141-142 1.250

142-143 4.750

143-144 4.750

144-145 8.500

145-146 8.500

146-147 1.500

147-148 1.500

148-149 98.000

149-150 98.000

Sum 1868.000 800.000 1415.000

BLOCKS No. Col. Xmin Xmax Ymin Ymax Zmin Zmax

1 2 70 72 0 150 82 94

2 2 70 72 0 150 0 10

3 6 42 60 8 142 12 84

4 9 60 62 0 150 8 80

5 9 62 68 0 150 8 10

6 9 62 68 0 150 74 80

7 9 62 72 20 122 14 16

8 9 62 72 20 122 66 72

9 9 62 72 70 72 16 66

10 9 16 42 4 146 44 46

11 9 26 42 4 146 46 52

12 9 16 18 4 146 46 68

13 9 26 42 4 146 58 68

14 9 16 42 4 146 68 70

15 9 16 42 2 4 44 70

16 9 16 42 146 148 44 70

17 9 20 26 98 136 48 64

18 9 26 52 106 126 52 58

19 89 18 26 4 146 46 68

20 9 32 40 30 42 24 36

99

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119 120

10

15

8

19

11

10

12

10

15

1

93

1

94

95

95

1

1

99

99

99

99 99

10

8

12

0

0

10

10

10

8

62

68

62

58

58

58

62

62

62

62

62

62 62

12

10

42

12

12

12

12

12

10

68

70

72

60

60

60

72

72

72

72

72

72 72

0

0

0

0

0

0

0

0

0

0

0

0

0

142

0

0

122

20

94

48

88 88

150

150

150

150

150

150

150

150

150

150

150

150

150

150

8

20

150

48

122

54

94 94

4

0

56

56

80

86

90

92

86

72

72

12

8

8

8

14

14

16

16

30

30 54

8

8

94

80

86

90

92

94

94

74

78

14

12

78

78

72

72

66

66

50

50 66


43 9 4 36 16 26 24 28

44 9 2 14 6 10 62 70

45 9 14 16 6 60 62 70

46 9 2 14 56 60 62 70

47 9 2 14 82 86 62 70

48 9 14 16 82 144 62 70

49 9 2 14 140 144 62 70

50 9 4 36 48 50 40 44

51 9 4 36 16 26 40 44

52 9 4 36 120 132 40 44

53 9 4 36 92 96 40 44

54 9 4 36 48 50 24 28

55 9 22 42 96 100 20 44

56 9 22 24 100 116 20 44

57 9 34 42 100 104 20 44

58 9 34 42 112 116 20 44

59 9 22 42 116 120 20 44

60 88 24 34 100 116 20 44

61 9 22 42 26 28 20 44

62 9 22 24 28 44 20 44

63 9 34 42 28 32 20 44

64 9 34 42 40 44 20 44

65 9 22 42 44 48 20 44

66 9 28 34 102 114 24 36

67 9 34 46 104 112 26 34

68 9 30 38 30 42 24 36

69 9 38 48 32 40 26 34

70 88 24 34 28 44 20 44

71 88 34 42 32 40 20 44

72 9 22 42 26 48 18 20

73 88 34 42 104 112 20 44

74 9 22 42 96 120 18 20

75 89 26 42 4 146 52 58

76 9 4 36 116 130 24 28

77 9 62 72 0 150 10 12

78 3 6 8 0 150 88 94

79 3 6 8 0 150 0 6

80 62 0 8 0 150 6 8

81 63 0 8 0 150 86 88

82 4 64 70 0 150 0 8

83 4 64 70 0 150 78 94

84 12 70 72 0 150 72 82

85 5 58 64 0 150 0 8

86 5 58 64 0 150 80 94

87 5 60 64 0 150 78 80

88 5 58 60 0 8 78 80

89 5 58 60 142 150 78 80

90 7 42 58 0 150 0 12

91 7 42 58 0 150 80 94

92 7 42 58 142 150 78 80

93 7 42 58 0 8 78 80

94 7 42 58 142 150 12 78

95 7 42 58 0 8 12 78

96 8 12 42 0 150 0 8

97 10 10 12 0 150 0 2

98 12 10 12 0 150 2 4

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36 37

9

9

9

89

9

9

9

9

9

9

9

9

9

87

9

9

9

9

9

87

87 87

707.000

728.000

738.000

712.000

743.000

753.000

728.000

738.000

755.000

728.000

738.000

728.000

738.000

755.000

847.000

837.000

837.000

837.000

837.000

755.000

755.000 755.000

755.000

738.000

813.000

738.000

753.000

803.000

738.000

813.000

767.000

738.000

813.000

738.000

813.000

767.000

859.000

917.000

917.000

917.000

917.000

767.000

767.000 767.000

601.000

485.000

495.000

199.000

282.000

287.000

261.000

271.000

247.500

372.500

382.500

484.000

494.000

267.500

297.500

455.000

315.000

455.000

315.000

468.500

274.500 384.500

604.000

539.000

528.000

601.000

310.000

305.000

314.000

304.000

549.500

425.500

415.500

537.000

527.000

327.500

498.500

481.000

340.000

481.000

340.000

529.500

300.500 410.500

752.500

762.500

772.500

757.500

624.500

629.500

762.500

772.500

599.500

762.500

772.500

762.500

772.500

629.500

599.500

614.000

614.000

764.000

764.000

629.500

748.500 748.500

825.500

815.500

805.500

820.500

652.500

647.500

815.500

805.500

839.500

815.500

805.500

815.500

805.500

647.500

839.500

639.000

639.000

789.000

789.000

647.500

808.500 808.500


121 99 62 72 48 54 54 66

122 99 62 72 48 54 16 22

123 99 62 72 88 94 16 22

124 99 66 72 48 54 22 30

125 99 66 72 48 54 50 54

126 99 62 72 54 70 16 66

127 99 66 72 88 94 22 30

128 99 66 72 88 94 50 54

129 99 62 72 72 88 16 66

130 60 68 70 0 150 8 10

131 25 0 42 0 150 8 18

132 25 0 42 0 16 18 44

133 25 0 42 138 150 18 44

134 25 0 16 2 148 44 56

135 25 0 42 0 2 44 56

136 25 0 42 148 150 44 56

137 25 0 42 50 92 18 44

138 25 0 42 92 96 28 40

139 25 0 22 16 26 28 40

140 25 0 42 92 96 18 24

141 25 0 42 120 130 28 40

142 25 0 4 92 96 24 28

143 25 0 4 120 132 40 44

144 25 0 4 92 96 40 44

145 25 0 22 92 120 28 40

146 25 0 22 96 130 18 24

147 25 0 4 116 130 24 28

148 25 0 22 96 116 24 28

149 25 0 22 96 120 40 44

150 25 0 42 130 138 18 40

151 25 0 42 132 138 40 44

152 25 0 4 16 26 24 28

153 25 0 4 48 50 40 44

154 25 0 4 16 26 40 44

155 25 0 4 48 50 24 28

156 25 0 4 48 50 40 44

157 25 0 22 16 50 18 24

158 25 0 22 26 48 24 44

159 25 0 22 48 50 28 40

No. Col. Xmin Ymax Zmin Xmax Ymin Zmax

1 2 1020.000 1868.000 0.000 800.000 855.500 1415.000

2 2 1020.000 1868.000 0.000 800.000 0.000 566.500

3 6 755.000 859.000 222.500 574.500 569.500 869.500

4 9 859.000 868.000 0.000 800.000 550.000 850.000

5 9 868.000 959.000 0.000 800.000 550.000 566.500

6 9 868.000 959.000 0.000 800.000 833.500 850.000

7 9 868.000 1868.000 270.700 526.300 576.400 590.600

8 9 868.000 1868.000 270.700 526.300 816.300 830.500

9 9 868.000 1868.000 393.700 402.300 590.600 816.300

10 9 707.000 755.000 199.000 601.000 752.500 757.500

11 9 738.000 755.000 199.000 601.000 757.500 772.500

12 9 707.000 712.000 199.000 601.000 757.500 820.500

13 9 738.000 755.000 199.000 601.000 805.500 820.500

14 9 707.000 755.000 199.000 601.000 820.500 825.500

15 9 707.000 755.000 196.000 199.000 752.500 825.500


38 87 755.000 767.000 495.500 521.500 748.500 808.500

39 9 767.000 847.000 352.500 442.500 639.500 653.500

40 9 767.000 847.000 352.500 359.500 653.500 825.500

41 9 767.000 847.000 352.500 442.500 825.500 839.500

42 9 150.000 750.000 472.000 484.000 624.500 636.500

43 9 150.000 750.000 265.000 277.000 624.500 636.500

44 9 107.000 695.000 216.000 228.000 813.500 825.500

45 9 695.000 707.000 216.000 354.000 813.500 825.500

46 9 107.000 695.000 342.000 354.000 813.500 825.500

47 9 107.000 695.000 444.000 456.000 813.500 825.500

48 9 695.000 707.000 444.000 584.000 813.500 825.500

49 9 107.000 695.000 572.000 584.000 813.500 825.500

50 9 150.000 750.000 315.000 327.000 740.500 752.500

51 9 150.000 750.000 265.000 277.000 740.500 752.500

52 9 150.000 750.000 522.000 535.000 740.500 752.500

53 9 150.000 750.000 472.000 484.000 740.500 752.500

54 9 150.000 750.000 315.000 327.000 624.500 636.500

55 9 732.000 755.000 484.000 487.000 602.500 752.500

56 9 732.000 735.000 487.000 519.000 602.500 752.500

57 9 749.000 755.000 487.000 494.000 602.500 752.500

58 9 749.000 755.000 512.000 519.000 602.500 752.500

59 9 732.000 755.000 519.000 522.000 602.500 752.500

60 88 735.000 749.000 487.000 519.000 602.500 752.500

61 9 732.000 755.000 277.000 280.000 602.500 752.500

62 9 732.000 735.000 280.000 312.000 602.500 752.500

63 9 749.000 755.000 280.000 287.000 602.500 752.500

64 9 749.000 755.000 305.000 312.000 602.500 752.500

65 9 732.000 755.000 312.000 315.000 602.500 752.500

66 9 739.000 749.000 489.000 517.000 624.500 652.500

67 9 749.000 799.000 494.000 512.000 629.500 647.500

68 9 741.000 751.000 282.000 310.000 624.500 652.500

69 9 751.000 801.000 287.000 305.000 629.500 647.500

70 88 735.000 749.000 280.000 312.000 602.500 752.500

71 88 749.000 755.000 287.000 305.000 602.500 752.500

72 9 732.000 755.000 277.000 315.000 599.500 602.500

73 88 749.000 755.000 494.000 512.000 602.500 752.500

74 9 732.000 755.000 484.000 522.000 599.500 602.500

75 89 738.000 755.000 199.000 601.000 772.500 805.500

76 9 150.000 750.000 519.000 532.000 624.500 636.500

77 9 868.000 1868.000 0.000 800.000 566.500 569.500

78 3 499.900 500.000 0.000 800.000 870.100 1415.000

79 3 499.900 500.000 0.000 800.000 0.000 549.900

80 62 0.000 500.000 0.000 800.000 549.900 550.000

81 63 0.000 500.000 0.000 800.000 870.000 870.100

82 4 905.000 1020.000 0.000 800.000 0.000 550.000

83 4 905.000 1020.000 0.000 800.000 847.000 1415.000

84 12 1020.000 1868.000 0.000 800.000 830.500 855.500

85 5 855.000 905.000 0.000 800.000 0.000 550.000

86 5 855.000 905.000 0.000 800.000 850.000 1415.000

87 5 859.000 905.000 0.000 800.000 847.000 850.000

88 5 855.000 859.000 0.000 222.500 847.000 850.000

89 5 855.000 859.000 574.500 800.000 847.000 850.000

90 7 755.000 855.000 0.000 800.000 0.000 569.500

91 7 755.000 855.000 0.000 800.000 850.000 1415.000

92 7 755.000 855.000 574.500 800.000 847.000 850.000

93 7 755.000 855.000 0.000 222.500 847.000 850.000

94 7 755.000 855.000 574.500 800.000 569.500 847.000

95 7 755.000 855.000 0.000 222.500 569.500 847.000

96 8 540.000 755.000 0.000 800.000 0.000 550.000

97 10 515.000 540.000 0.000 800.000 0.000 500.000

98 12 515.000 540.000 0.000 800.000 500.000 525.000

99 10 515.000 540.000 0.000 800.000 525.000 550.000

100 15 500.000 515.000 0.000 800.000 0.000 550.000

101 8 540.000 755.000 0.000 800.000 800.000 1415.000

102 19 0.000 540.000 0.000 800.000 800.000 850.000

103 11 0.000 540.000 0.000 800.000 850.000 870.000

104 10 515.000 540.000 0.000 800.000 870.000 890.000

105 12 515.000 540.000 0.000 800.000 890.000 915.000

106 10 515.000 540.000 0.000 800.000 915.000 1415.000

107 15 500.000 515.000 0.000 800.000 870.000 1415.000

108 1 868.000 959.000 0.000 800.000 830.500 833.500

109 93 959.000 1020.000 0.000 800.000 830.500 847.000

110 1 868.000 1868.000 0.000 800.000 569.500 576.400

111 94 855.000 859.000 0.000 800.000 550.000 569.500

112 95 855.000 859.000 574.500 800.000 550.000 847.000

113 95 855.000 859.000 0.000 222.500 550.000 847.000

114 1 868.000 1868.000 0.000 270.700 576.400 830.500

115 1 868.000 1868.000 526.300 800.000 576.400 830.500


116 99 868.000 1868.000 270.700 315.000 590.600 816.300

117 99 868.000 1868.000 481.000 526.300 590.600 816.300

118 99 868.000 1868.000 315.000 340.000 639.000 764.000

119 99 868.000 1868.000 457.000 481.000 639.000 764.000

120 99 868.000 1868.000 457.000 481.000 789.000 816.300

121 99 868.000 1868.000 315.000 340.000 789.000 816.300

122 99 868.000 1868.000 315.000 340.000 590.600 614.000

123 99 868.000 1868.000 457.000 481.000 590.600 614.000

124 99 917.000 1868.000 315.000 340.000 614.000 639.000

125 99 917.000 1868.000 315.000 340.000 764.000 789.000

126 99 868.000 1868.000 340.000 393.700 590.600 816.300

127 99 917.000 1868.000 457.000 481.000 614.000 639.000

128 99 917.000 1868.000 457.000 481.000 764.000 789.000

129 99 868.000 1868.000 402.300 457.000 590.600 816.300

130 60 959.000 1020.000 0.000 800.000 550.000 566.500

131 25 0.000 755.000 0.000 800.000 550.000 599.500

132 25 0.000 755.000 0.000 265.000 599.500 752.500

133 25 0.000 755.000 549.500 800.000 599.500 752.500

134 25 0.000 707.000 196.000 604.000 752.500 800.000

135 25 0.000 755.000 0.000 196.000 752.500 800.000

136 25 0.000 755.000 604.000 800.000 752.500 800.000

137 25 0.000 755.000 327.000 472.000 599.500 752.500

138 25 0.000 755.000 472.000 484.000 636.500 740.500

139 25 0.000 732.000 265.000 277.000 636.500 740.500

140 25 0.000 755.000 472.000 484.000 599.500 624.500

141 25 0.000 755.000 522.000 532.000 636.500 740.500

142 25 0.000 150.000 472.000 484.000 624.500 636.500

143 25 0.000 150.000 522.000 535.000 740.500 752.500

144 25 0.000 150.000 472.000 484.000 740.500 752.500

145 25 0.000 732.000 472.000 522.000 636.500 740.500

146 25 0.000 732.000 484.000 532.000 599.500 624.500

147 25 0.000 150.000 519.000 532.000 624.500 636.500

148 25 0.000 732.000 484.000 519.000 624.500 636.500

149 25 0.000 732.000 484.000 522.000 740.500 752.500

150 25 0.000 755.000 532.000 549.500 599.500 740.500

151 25 0.000 755.000 535.000 549.500 740.500 752.500

152 25 0.000 150.000 265.000 277.000 624.500 636.500

153 25 0.000 150.000 315.000 327.000 740.500 752.500

154 25 0.000 150.000 265.000 277.000 740.500 752.500

155 25 0.000 150.000 315.000 327.000 624.500 636.500

156 25 0.000 150.000 315.000 327.000 740.500 752.500

157 25 0.000 732.000 265.000 327.000 599.500 624.500

158 25 0.000 732.000 277.000 315.000 624.500 752.500

159 25 0.000 732.000 315.000 327.000 636.500 740.500

COLOURS

Col. Type CEN-rule Name lambda eps t h q

[W/mK] [-] [°C] [W/m²K] [W/m²]

1 EQUIMAT CEN_Xy_I Baclony cavity 4.016 2 BC_SIMPL HE External normal 0.0 25.00 0

3 BC_SIMPL NIHIL Internal normal 20.0 4.00 0

4 MATERIAL Outer leaf 1.100 5 EQUIMAT CEN_Xy_I 50 mm cavity 0.213 6 MATERIAL Insulation 0.035 7 MATERIAL Insulation 1 0.040 8 MATERIAL Inner leaf 0.210 9 MATERIAL Steel 50.000

10 EQUIMAT CEN_Xy_I 25 mm cavity 0.122 11 MATERIAL Floor covering 1.200 12 MATERIAL Timber batten 0.130 15 MATERIAL Plasterboard 0.250 19 MATERIAL Floor screed 1.400 25 MATERIAL Floor 2.100 60 MATERIAL Mortar 1.000 62 BC_SIMPL NIHIL Heat flow upwar 20.0 4.00 0

63 BC_SIMPL NIHIL Heat flow downw 20.0 4.00 0

87 EQUIMAT CEN_Xy_I Bolt hole cavit 0.043 88 EQUIMAT CEN_Xy_I Jordahl cavity 0.063 89 EQUIMAT CEN_Xy_I Jordahl cavity 0.194 93 EQUIMAT CEN_Xy_I Small cavity in 0.286 94 EQUIMAT CEN_Xy_I Small cavity be 0.040 95 EQUIMAT CEN_Xy_I Small cavity be 0.037 99 EQUIMAT CEN_Xy_I Balcony cavity 3.143


Col. ta hc

[°C] [W/m²K]

Pc

[W]

tr

[°C]

C1 C2 C3

_

1 0.025 0.73 0.333333

2 3 5 0.025 0.73 0.333333

10 0.025 0.73 0.333333

62 63 87 0.025 0.73 0.333333

88 0.025 0.73 0.333333

89 0.025 0.73 0.333333

93 0.025 0.73 0.333333

94 0.025 0.73 0.333333

95 0.025 0.73 0.333333

99 0.025 0.73 0.333333

Calculation parameters

Iteration cycles = 5

Maximum number of iterations (within each iteration cycle) = 10000

Maximum temperature difference (within each iteration cycle) = 0.0001°C

Maximum temperature difference (between iteration cycles) = 0.001°C

Heat flow divergence for total object = 0.001 %

Heat flow divergence for worst node = 1 %

Automatic recalculation of CEN-values

Default temperature difference across airspace = 10°C


Appendix B − Computer output

TRISCO - Calculation Results

TRISCO data file: J and P Balcony connector and wall construction 800 centres.trc

Number of nodes = 1016433

Heat flow divergence for total object = 0.000970265

Heat flow divergence for worst node = 0.488765

Col. Type Name tmin

[°C]

X Y Z tmax

[°C]

X Y Z

_

1 EQUIMAT Baclony cavity 0.06 72 150 12 2.99 62 65 72

2 BC_SIMPL External normal 0.01 71 2 82 1.24 70 70 10

3 BC_SIMPL Internal normal 16.58 8 65 6 19.39 8 148 1

4 MATERIAL Outer leaf 0.18 70 69 1 2.56 64 67 78

5 EQUIMAT 50 mm cavity 0.67 64 150 94 3.01 60 67 78

6 MATERIAL Insulation 1.69 60 142 12 12.21 42 142 12

7 MATERIAL Insulation 1 1.58 58 150 6 13.98 42 150 21

8 MATERIAL Inner leaf 6.63 42 69 76 18.10 12 150 0

9 MATERIAL Steel 0.06 72 150 10 18.85 4 130 24


11 MATERIAL Floor covering 16.16 12 65 80 19.31 0 150 86

12 MATERIAL Timber batten 0.01 71 2 82 18.69 10 150 92

15 MATERIAL Plasterboard 16.08 10 65 8 19.39 8 148 1

19 MATERIAL Floor screed 15.16 12 63 56 19.25 0 150 80

25 MATERIAL Floor 7.85 42 66 36 19.38 0 150 8

60 MATERIAL Mortar 0.62 70 150 8 1.76 68 69 9

62 BC_SIMPL Heat flow upwar 16.56 8 65 8 19.38 0 150 8

63 BC_SIMPL Heat flow downw 16.87 6 66 86 19.31 0 150 86

87 EQUIMAT Bolt hole cavit 6.96 43 70 60 10.27 42 125 28

88 EQUIMAT Jordahl cavity 8.96 34 42 42 10.62 24 116 26


93 EQUIMAT Small cavity in 0.54 70 150 78 2.24 68 66 77

94 EQUIMAT Small cavity be 1.67 60 142 8 2.44 58 69 12


99 EQUIMAT Balcony cavity 0.08 72 122 16 3.16 62 64 38

Col. Type Name ta

[°C]

Flow in

[W]

Flow out

[W]

2 BC_SIMPL External normal 0.00 14.37 3 BC_SIMPL Internal normal 5.43 0.00

62 BC_SIMPL Heat flow upwar 5.55 0.00

63 BC_SIMPL Heat flow downw 3.39 0.00

Temperature factor (EN ISO 10211-2) = 0.828

hi = 10.00 W/(m².K)

Rsi = 0.10 m².K/W


TRISCO - Calculation Results

TRISCO data file: J and P Balcony connector and wall construction 800 centres worst case for

temp factor.trc

Number of nodes = 1016433

Heat flow divergence for total object = 0.000995964

Heat flow divergence for worst node = 0.850922

Col. Type Name tmin

[°C]

X Y Z tmax

[°C]

X Y Z

_

1 EQUIMAT Baclony cavity 0.05 72 150 12 2.79 62 65 72

2 BC_SIMPL External normal 0.00 71 2 82 1.15 70 70 10

3 BC_SIMPL Internal normal 15.12 8 65 6 18.82 8 150 94

4 MATERIAL Outer leaf 0.17 70 69 1 2.39 64 67 78


6 MATERIAL Insulation 1.57 60 142 12 11.35 42 142 12

7 MATERIAL Insulation 1 1.47 58 150 6 13.00 42 150 21

8 MATERIAL Inner leaf 6.17 42 69 76 17.56 12 150 94

9 MATERIAL Steel 0.05 72 150 10 17.72 4 130 24


11 MATERIAL Floor covering 15.11 12 65 80 18.46 0 150 86

12 MATERIAL Timber batten 0.00 71 2 82 17.78 10 150 92

15 MATERIAL Plasterboard 14.76 10 66 8 18.82 8 150 94

19 MATERIAL Floor screed 14.13 12 63 56 18.36 0 150 80

25 MATERIAL Floor 7.30 42 66 36 18.32 0 150 8

60 MATERIAL Mortar 0.57 70 150 8 1.64 68 69 9

62 BC_SIMPL Heat flow upwar 15.10 8 65 8 18.32 0 150 8

63 BC_SIMPL Heat flow downw 15.76 6 65 86 18.46 0 150 86

87 EQUIMAT Bolt hole cavit 6.48 43 70 60 9.55 42 125 28



93 EQUIMAT Small cavity in 0.50 70 150 78 2.09 68 66 77



99 EQUIMAT Balcony cavity 0.08 72 122 16 2.94 62 64 38

Col. Type Name ta

[°C]

Flow in

[W]

Flow out

[W]

2 BC_SIMPL External normal 0.00 13.46 3 BC_SIMPL Internal normal 5.36 0.00

62 BC_SIMPL Heat flow upwar 4.24 0.00

63 BC_SIMPL Heat flow downw 3.86 0.00

Temperature factor (EN ISO 10211-2) = 0.755

hi = 4.00 W/(m².K)

Rsi = 0.25 m².K/W

Analysis of computer model output(1)

Construction Energy flow Q (W) length of junction l (m) Height lw (m) ∆t (K)

L (W m-1K

-1)

Ψ (W m-1

K-1) f

(2)

Equivalent U (W m-2K

-1)

Balcony connector (3) 14.37 0.8 1.415 20 0.8981 0.5656 0.828 0.6347

Plain wall (4)

5.32 0.3325 - 0.956 0.2350

Plain wall (5)

5.31 0.3318(6)

0.5663 - 0.2345(7)

Balcony connector (8)

13.46 0.8413 0.5088 0.755 0.3595

(1) the temperature factor given in the table should be compared to the critical temperature factors given in BRE Information Paper IP 1/06 Assessing the effects of thermal bridging at junctions and around openings. This document gives a value of fCRsi = 0.75 (or greater) as acceptable for the minimisation of risk of internal surface condensation in dwellings, residential buildings and schools.

(2) fRsi taken from Trisco output

(3) BS EN ISO 6946:2007 boundary conditions

(4) from Trisco model of the plain wall

(5) U’w calculated using the BBA U value calculator (floor slab not included)

(6) lw × U’w

(7) U’w

(8) worst case for temperature factor from BS EN ISO 13788:2002

Appendix C − Calculation methodology

The methodology given in BR497 was used to determine the Ψ value for the construction. The computer model predicts the heat flow through the junction in Watts, the Ψ value has

been calculated using the expression below.

L2d= Q

∆ t × l

Ψ = L2d - lw × U’w

In the above expression

L2d = Linear heat loss

Q = Heat flow through the junction

∆t = Temperature difference across the junction

l = length

Ψ = Linear heat loss of the junction

U’w = U value of the wall construction calculated in accordance with BS EN ISO 6946:2007

2D Rsi



Appendix D − Interim report

Bucknalls Lane, Garston Watford, Herts WD25 9BA Telephone: 01923 665300 Facsimile: 01923 665301

e-mail: [email protected] website: www.bbacerts.co.uk

INTERIM REPORT FOR BBA JOB NUMBER Ref: S1/45978

Contents

1 Introduction 2 Computer modelling 3 Typical thermal profile 4 Ongoing work

Bibliography



http://www.bbacerts.co.uk/


Client: J and P Building Systems Ltd

Job No: S1/45978

Interim report by: Cary Randall

Work period: March 2010 – April 2010

1 INTRODUCTION

The BBA have entered into a contract with J & P Building Systems Ltd to assess the thermal performance of the balcony connector shown below. Within the contract it has been agreed that we will carry out computer modelling in accordance with BS EN ISO 10211 : 2007 and BS EN ISO 6946 : 2007 this work is to include the calculation of the junction heat loss (Ψ value) associated with the connector when it is installed in the wall construction also shown below.

2 COMPUTER MODELLING

Computer models of the balcony connector shown in figure 1 below are being developed in order to evaluate the effect of the thermal bridge of the balcony to wall junction. This work is not yet completed and this interim report will form part of the introduction to the official BBA Assessment report.

The wall construction used with the balcony connector can be seen in figure 2 below. As mentioned above, this work is being carried out to give an idea of the Ψ values associated with the balcony connector and wall construction. The temperature factor associated with the construction will also be calculated.

Figure 1 The J and P balcony connector Figure 2 The wall construction used

The computer models are being developed using a computer package called Trisco and the methodology being followed is that given in BS EN ISO 6946 : 2007, BS EN ISO10211 : 2007 and the BRE document ‘Conventions for calculating linear thermal transmittance and temperature factors’.


3 TYPICAL THERMAL PROFILES

The temperature profiles listed in figures 4 and 5 below are included to give an idea of the type of output to be expected from the computer modelling.

Figure 3 Thermal profile - low temperature factor

4 ONGOING WORK

Figure 4 Thermal profile - high temperature factor

Once the computer modelling of the J and P balcony connector has been completed a detailed BBA assessment report will be issued. This report will detail the exact construction modelled and could be used to support a third party accreditation such as a BBA Certificate.

BIBLIOGRAPHY

BS EN ISO 6946 : 2007, Building components and building elements. Thermal resistance and thermal transmittance. Calculation method BS EN ISO10211 : 2007, Thermal bridges in building construction. Heat flows and surface temperatures. Detailed calculations BRE Report 497 : 2007 Conventions for calculating linear thermal transmittance and temperature factors

bba thermal assessment report ref s1/45978 · brackets were used, the boundary conditions are taken...

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