GB50007-2011建筑地基基础设计规范正式版.pdf

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1 10 1 10 2 10 3 10 4 1 2 2 1 2 11 Subgrade, Foundation soils 2 12 Foundation 2 13 Characteristic value of subgrade bearing capacity 2 14 Gravity density, Unit weight 2 15 Rock discontinuity structural plane 2 16 Standard frost penetration 10 2 17 Allowable subsoil deformation 2 18 Soil-rock composite subgrade 2 19 Ground treatment, Ground improvement

2 110 Composite subgradeComposite foundation

2 111 Spread foundation

2 112 Non-reinforced spread foundation

2 113 Pile foundation 2

2 114 Retaining structure

2 115 Excavation engineering 2 2

2.2.1 E a F k G k M k p k p 0 Q k

2.2.2 a c E s e f a f ak f rk qpa qsa R a w w L w p γ δ δ r θ 3 μ ν φ

2.2.3 A b d h 0 H f H g L l s u z 0 z n β

2.2.4  η b η d ψ s 4 3

301

3.0.1 3.0.1 30 10 15m 5.0m

302 1 2 3 l 130kPa 2 3 4 5 4 5 5 6

303 3.0.3 3.0.3 80f

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