(2002 )

(1)

1

1

(2)

2

2

1

(strut)

3 4

(wale)

(center post)

3 (a) (b)

4

2

(1)

(2)

(3)

(4)(2)(3)

(5)

(6)

(7)

(8)(6)(7)

5

5

(1)(2)

(3)( 6) 7

3

(1)

(2)

(3)

(4)

(5)

(6)

(7)(2)(6)

(8)

(9)

6

7

4

()

(

8)

(1)

(2)

(3)

(1)

(2)()

10m

(3)

8

(raker) 9

10 11

5

9

10

6

11 ()

(1)

(bottom-up excavation method)

7

(2)

(top-down construction method)

12

12

(1)

(2)

(3)

(4)(B1F)

(5)

(6)(B2F)

(7)

(8)

(9)

(1)

8

(2)

(3)

(1)()

(2)

(3)

(arching effect)

13 (zoned excavation)

14 AB A B

A B

A B B

A B B

13

BA A

14

9

(soldier pile)

(soldier pile)H I H

AISC

(laggings) 15

16

(1)

(2)

(3)

(4)

(5)

(6)

(1)

(2)

(3)

(4)

(5)

15 (a) (b)

10

(1)

(2)

(3)

(4)

(5)

16

17

18 U

Z 19

(1)

(2)

(3)

(4)

(5)(3)(4)

11

(6)

(7)

(8)

(9)

17

18

19 (a)U (b)Z (c)

12

(1)

(2)

(3)

(1)

(2)

(3)

(4)

(5)

3.1

20

20

(1)

PIP (Packed In Place pile)

(prepacked mortar)

H 30cm 60cm

21

13

21

(2)

60cm 200cm

(3)

SMW(Soil Mixed Wall)SMW

()

H 22

22 SMW

MIP (Mixed In Place pile)

23

14

23 MIP

3.2

24 S

24 (a) (b)S (c) (d) (e)

()

15

(1)

(2)S

1 1 1 2

(tangent pile)

(3)

(4)

1 2 3 4 5

6 1 2 3 (secant pile)

(5)

( CCP ) MIP

(1)

(2)

(3)

(4)

(5)

(1)

(2)

(3)

(4)

16

4

(diaphragm wall)(slurry wall) 1950

1971 Tone BW 1972 ICOS

ICOS

Masago

MHL (Masago Hydraulic Long bucket method)

Masago 25

2.5m 3.3m

26

()

()

27 28

25 MHL

17

26 (a)(b)(c)

27 (a) (b)() (c) (d)

MHL

2.5m

0.5m 2.5m 29 ()

18

2.5m4.5m()(4.5m7.5m)

() 1 3

28

19

29

27 30 ()

2 3

() 31

3 5cm 30cm

CCP

30

20

31 (cm)

(1)

(2)

(3)

(4)

(5)

(1)

(2)()

(3)

(4)

5

()

1.2m1.5m 1.2m3.0m 32a 60cm

1.3m 70cm

21

32 60cm 140cm (a) (b)

(32(b))

(1)

( 33)

(2) 23m

(3)

(4)

(5)

(6)( 34)

( 35)

33

22

34

35

36

(strut) RC

(raker) RC

23

37

36

37

24

(I)

80 170 kg/cm2

210 kg/cm2

'cf

'cf

'15000 cfE kg/cm2

50 70 5kg/cm2

H 6 (

) SP-III 50cm

5.3/0.86.63

(1) (2)

(2)

(1) (2)

25

()()

E (kg/cm2)

I (cm4/m)

EI (t-m2/m)

H3003001015 2.04106 20,400 4,160 1.0 (1)

H3503501219 2.04106 40,300 8,220 2.0

SP-III 2.04106 16,400 3,350 0.8 (2)

SP-IV 2.04106 31,900 6,500 1.6

30cm 2.1105 132,500 2,780 0.7 (3)

80cm 2.1105 2,513,300 52,780 12.7

(4) SMW

H400200813 2.04106 59,250 12,090 2.9

50cm 2.1105 1,041,700 21,900 5.3 (5)

100cm 2.1105 8,333,300 175,000 42.0

(6) 60cm

120cm 2.1105 1,096,000 23,000 5.5

(1)H 1.00m 80

(2) 80

(3) 170 kg/cm2 280 kg/cm2

=210 kg/cm2 5070

'cf

'

'cf

'cf

(4) 5 kg/cm2 H H

40cm cf

(5) 210 kg/cm2 5070 'cf

(6) =210 kg/cm2 230cm 5070 'cf

26

1.()

()

2.()

()

3.

4.

5.

3.0m

6.

27

28

7.

5.0 1,000m2 15.0m

18.0m

8.