資料34 個別対策工法WG検討報告（8ページ～26ページ）液状化対策実現可能性技術検討委員会資料・議事概要｜浦安市公式サイト

(1)

LIQCA

(2)

(3)

(4)

(5)

(6)

2.1.2.1(1)

L1 L2

1 4 20 1 100 5

2.1.2.2 2.1.2.1(1) 2.1.2.3(3)

2.1.2.1(2)

700mm

GL-1.0m

400mm

180mm

160mm

GL-8.0m GL-8.0m

GL-8.0m

7.5m

2.4m 0.61m 0.64m

6.6% 6.6% 5.5%

11N/mm

²

1 2.4m 2.1.2.1(1) 2.4m

(7)

2.1.2.1(1)

2.1.2.1(2)

2.1.2.1(3)

2.4m

(8)

FL

2.1.2.1(3)

K

0

1.2

0.5 2.1.2.1(3) FL

GL-7.0 8.0m Fs GL-11.0 12.0m As2 FL

1.0

N Fc z' as Dr₀ Dr₁ _l/ _z' _d/ _z' FL

(kN/m²) (%) (%) (%) N1 Na cy Dcy(cm)

Bs 1.0 6 18.0 17.70 6.6 70.54 80.29 8.9 0.500 0.129 3.886 28.63 0.00 0.00 Bs 2.0 6 18.0 25.40 6.6 68.78 78.58 9.1 0.500 0.177 2.832 25.56 0.00 0.00 Fs 3.0 4 22.0 33.10 6.6 61.86 70.59 6.7 0.271 0.200 1.356 19.76 0.00 0.00 Fs 4.0 4 22.0 40.80 6.6 60.89 69.64 6.9 0.252 0.213 1.183 18.88 0.00 0.00 Fs 5.0 4 22.0 48.50 6.6 60.03 68.81 7.1 0.240 0.220 1.090 18.24 0.00 0.00 Fs 6.0 4 22.0 56.20 6.6 59.27 68.06 7.2 0.232 0.225 1.034 17.75 0.00 0.00 Fs 7.0 4 22.0 63.90 6.6 58.58 67.40 7.4 0.226 0.227 0.999 17.37 0.93 0.93 Fs 8.0 4 22.0 71.60 6.6 57.97 66.80 7.6 0.222 0.227 0.977 17.06 0.99 0.99 As1 9.0 15 21.9 79.30 --- --- 15.0 0.422 0.227 1.862 24.87 0.00 0.00 As1 10.0 15 21.9 87.00 --- --- 15.0 0.377 0.226 1.669 24.11 0.00 0.00 As2 11.0 7 31.0 93.70 --- --- 7.0 0.177 0.225 0.783 16.26 1.19 1.19 As2 12.0 7 31.0 100.40 --- --- 7.0 0.174 0.224 0.776 16.02 1.18 1.18 Ac1 13.0 2 93.6 105.10 --- --- 2.0 0.188 0.225 --- 17.29 0.00 0.00 Ac1 14.0 2 93.6 109.80 --- --- 2.0 0.187 0.225 --- 17.25 0.00 0.00 Ac1 15.0 2 93.6 114.50 --- --- 2.0 0.187 0.225 --- 17.21 0.00 0.00 Ac1 16.0 2 93.6 119.20 --- --- 2.0 0.186 0.224 --- 17.17 0.00 0.00 Ac1 17.0 2 93.6 123.90 --- --- 2.0 0.186 0.223 --- 17.14 0.00 0.00 Ac1 18.0 2 93.6 128.60 --- --- 2.0 0.186 0.221 --- 17.11 0.00 0.00 Ac1 19.0 2 93.6 133.30 --- --- 2.0 0.185 0.219 --- 17.07 0.00 0.00 4.29

(9)

e

Sr

e

V

_W

1

1 A

D

V

_cy

A

e D

V

_W

e

_cy

1

V

W

e

Sr

D

cy

A

e

Sr

e

V

_a

1

1 A

Z

V

A

e Z

Sr

V

_a

e

1

V

a

V

W

=V

a

Z

2.1 D

cy

4.29cm Sr 80%

Z 22cm

D

cy

Z Sr

1

(10)

r

u

FL r

u

FL

^-7

FEM

2.1.2.1(4) 2.1.2.1(4)

2.1.2.1(4)

^(kN/m

³

⁾

^(kN/m

³

⁾

(1-r

^u

⁾

(11)

13 7 2 1113 2

(1) 2.2

1

r

u

2.1.2.1(5)

2.2 qa

i

C

i i

q

21 =30 tan

^-1

(2/3×tan ’)

C kN/m

²

B m

Nc N Nq

kN/m

2.1.2.1(5)

kN/m

D

f

m

N

D

i

BN

i

3 (

2

q

i C

q_a

2 q

⁽ ¹ ^/ ⁹⁰

C

i

/

1 (

i

(12)

B WL Df

z

1

1 z/B 1 ¹

1

1 1 u 1

kN/m

2

2.1.2.1(5)

2.1.2.1(6)

2.3

(13)

Ra 2/3 Rf 2.3

Rf

Rf 1/2 K

0

_z tan B L 2

K

0

0.75 kN/m

1 1 u 1

r

u

^kN/m

z

B

L

2.1.2.1(6)

W B

Rf W

(14)

2.1.2.2(1)

L1 L2

1 4 20 1 100 5

1 DHJ-12

DHJ-25

2.1.2.2 2.1.2.2(1)

2.1.2.2(2)

500mm

0.5m

GL.-8.0m

1.6m

1 1.6m 1.6m

(15)

1 4

2.1.2.2(1)

2.1.2.2(2)

(16)

2.1.2.2(2)

(17)

FL

0.5 FL FL

2.1.2.2(3)

2.1.2.2(3) FL

GL-11.0 12.0m As2 FL 1.0

Z 2.1 p16

Dcy 2.37cm Sr 80%

Z

Z 12cm

r

u

FL r

u

FL

^-7

(18)

2.1.2.2(3) 2.1.2.2(4)

2.1.2.2(3)

2.1.2.2(4)

^(kN/m

³

⁾

^(kN/m

³

⁾

(1-r

^u

⁾

(19)

資料34 個別対策工法WG検討報告（8ページ～26ページ） 液状化対策実現可能性技術検討委員会 資料・議事概要｜浦安市公式サイト

LIQCA

2.1.2.1(1)

2.1.2.1(1)

L1 L2

1 4 20 1 100 5

2.1.2.2

2.1.2.1(1) 2.1.2.3(3)

2.1.2.1(2)

700mm

GL-1.0m

400mm

180mm

160mm

GL-8.0m GL-8.0m

GL-8.0m

7.5m

2.4m 0.61m 0.64m

6.6% 6.6% 5.5%

11N/mm

1 2.4m 2.1.2.1(1) 2.4m

2.1.2.1(1)

2.1.2.1(2)

2.1.2.1(3)

2.4m

FL

FL

2.1.2.1(3)

K

1.2

0.5

2.1.2.1(3) FL

GL-7.0 8.0m Fs GL-11.0 12.0m As2 FL

1.0

e

e

e

Sr

e

V

V

1

1

A

D

V

A

e D

V

e

1

V

V

e

Sr

D

A

e

Sr

e

V

V

1

1

A

Z

V

A

e Z

Sr

V

e

1

1

V

V

=V

Z

2.1

D

資料34 個別対策工法WG検討報告（8ページ～26ページ）液状化対策実現可能性技術検討委員会資料・議事概要｜浦安市公式サイト

^(kN/m

⁾

^(kN/m

⁾

(1-r

⁾

=30 tan

⁽ ¹ ^/ ⁹⁰

_z tan B L 2

^kN/m