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宮城県沖地震 ( 単独 ) 宮城県沖地震 ( 連動 ) 長町 - 利府線断層帯 図 1-4-2 図 1-4-1 液状化危険度判定結果震度分布 1-10

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300m 3000m 200m 150m 125m 100m 2000m 1500m 1000m 80m 750m 60m 500m 40m 300m 30m 20m 10m 200m 100m 5m 50m Vp=2.0km/s 0m Vp=3.2km/s 0m 3000m 3000m 2000m 2000m 1500m 1500m 1000m 1000m 750m 750m 500m 500m 300m 300m 200m 200m 100m 100m 50m 50m Vp=4.3km/s 0m Vp=5.6km/s 0m 3-5

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sw d p l g w R C C C C R = < = ) / 15 ( 15) ( 10 3.11 ) / 15 ( 0 max 1.30 max -3 max s cm V V s cm V R sw Rw Rsw Cg Cl Cp Cd Vmax Cg Cl Cp Cd 2 1 2 4-47

Cg Cl Cg Cl Cp, Cd Cp Cd 3 4 C 4-48

y = αx β1 1 X β2 2 X β3 3 X1 X2 X3 5 400mm 400mm 4-49

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6 400mm 75mm-350mm 150 120 30 170 4-51

100 0 D1 400mm 400mm D1+D2 4-52

sw d p l g s R C C C C R = < = ) / 431 ( 2.0 ) / 431 ( 10 1.7 2 max 2 max 16 6.1 max s cm A s cm A A R sw Rs Rsw Cg Cl Cp Cd Amax Cg Cl Cp Cd 2 1 2 4-53

Cg Cl Cg Cl Cp Cd Cp Cd 3 Cl 4 4-54

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gp l g p gp R C C C D = < < = ) / 80 ( 1.7 ) / 80 (25 25) ( 10 3.5 ) / 25 ( 0.0 0.97 2 s cm SI s cm SI SI s cm SI R gp Dgp Rgp Cg Cl Cp SI Cg Cl p 1 4-58

Cg Cl Cg Cp Cp Cl 2 4-59

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a1 b1 4-62

3 4-63

9 10 1 4-64

7 11 11 = α b Ndp b km Ndp α = 0.4 2 4-65

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19.5X 0.35 y (%) X (%) 3 4-72

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y2.26985x (14) y (%) X (%) 4-80

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(1997) (1997) 1 78 4-82

Tg = Vsi Hi Tg / 4 15 Tg (s) Hii (m) Vsii Vs(m/s) Vs300m/s Tg0.2(s) 0.2Tg0.4 0.4Tg0.6 0.6Tg 4-83

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2 78 4-87

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( ) X X Dep Mw PGV Mw + + = 002 0. 10 0.0028 log 1.29 0.0038 0.58 log 0.50 600 PGV600 600m/s (cm/s) Mw Dep (km) X (km) 6-1

Mw Dep Mw M Mo 17.72 1.17 log + = M Mo Mo M Mo Mo Mw 16.1 1.5 log + = Mw Mo Mw Mw Dep 6-2

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1) 2) 3) 4) 5) 6) 7) 8) 9) 11-3

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