crack width

6

Click here to load reader

Upload: patkariuki

Post on 02-Dec-2015

219 views

Category:

Documents


2 download

DESCRIPTION

Calculation of concrete crack widths to BS 8007

TRANSCRIPT

Page 1: Crack Width

Unit weight 9.81 Diameter 15.8Height Vertical Force Horizontal force Area of steel area of steel per face

1 4.905 108.4986 433.9944 216.9972 T12-1502 19.62 216.9972 867.9888 433.9944 T16-1253 44.145 325.4958 1301.9832 650.9916 T20-150

3.6 63.5688 390.59496 1562.37984 781.18992 T20-150

Page 2: Crack Width

diameter cover spacing acr area of stee1 e2 em crack width

12 40 200 104.0727 1130.973 0.00048 0.000884 -0.000405 -0.12630003212 40 200 104.0727 1130.973 0.000959 0.000884 7.514E-05 0.023461355816 40 200 102.9234 2010.619 0.000809 0.000497 0.000312 0.096361758216 40 200 102.9234 2010.619 0.000971 0.000497 0.000474 0.1463480487

Page 3: Crack Width

Unit weight 9.81 DiameterHeight Vertical Force(kN/m2) Horizontal force(kN/m2) Area of steel(mm2)

1 13.734 108.4986 433.99442 27.468 216.9972 867.98883 41.202 325.4958 1301.98324 54.936 433.9944 1735.97765 68.67 542.493 2169.9726 82.404 650.9916 2603.96647 96.138 759.4902 3037.9608

Page 4: Crack Width

15.8 bar diameter( cover(mm) spacing(m acr(mm) area of starea of steel per face(mm2)

216.9972 T12-200 12 40 200 104.0727 1130.973433.9944 T16-200 12 40 200 104.0727 1130.973650.9916 T16-200 16 40 200 102.9234 2010.619867.9888 T16-150 16 40 150 81.04493 2680.8261084.986 T16-150 16 40 150 81.04493 2680.826

1301.9832 T20-150 20 40 150 80.13878 4188.791518.9804 T20-150 20 40 150 80.13878 4188.79

Page 5: Crack Width

e1 e2 em crack width(mm)

0.00048 0.000884 -0.000405 -0.1263000320.000959 0.000884 7.514E-05 0.02346135580.000809 0.000497 0.000312 0.09636175820.000809 0.000373 0.000436 0.10610943560.001012 0.000373 0.000639 0.15531029340.000777 0.000239 0.000538 0.12942370840.000907 0.000239 0.000668 0.1605601889