滨江片区C地块二期周边市政道路工程工程地质勘察报告

页共20页重庆市市政设计研究院附表3-1可塑状粉质粘土土工试验成果表样品编号物理性质天然直接快剪饱和直接快剪压缩天然天然土粒饱和天然液限(10mm)塑限塑性液性粘聚力内摩粘聚力内摩压缩压缩含水率密度比重密度孔隙比指数指数擦角擦角模量系数%g/cm3—g/cm3—%%kPa°kPa°Es1～2(MPa)a1～2(MPa-1)Z3A420.002.042.682.060.5827.5017.0010.500.2930.5013.2021.9010.805.080.31Z4A2021.801.992.702.020.6529.4015.6013.800.4525.7011.6018.509.104.660.36ZE230.401.882.681.890.8635.6021.8013.800.6223.7011.4017.009.004.300.43ZE2327.301.902.711.940.8235.0019.7015.300.5025.8012.2018.709.805.150.35ZE2229.001.892.701.920.8432.6021.4011.200.6821.2010.9015.308.604.200.44统计件数n555555555555555平均值μ025.701.942.691.970.7532.0219.1012.920.5125.3811.8618.289.464.680.38标准差σ4.560.070.010.070.133.512.722.000.153.420.882.440.860.430.06变异系数δ0.180.040.000.040.170.110.140.150.300.130.070.130.090.090.15修正系数φa0.900.900.900.90采用值22.8410.6716.458.51表3-2中等风化泥岩抗压试验成果统计表试样

编号岩石名称天然抗压强度单值(MPa)饱和抗压强度单值(MPa)软化系数H2A42泥岩8.134.520.565.993.640.615.392.690.50Z3A13泥岩8.645.110.597.854.390.566.643.740.56Z3A14泥岩9.355.410.587.313.920.547.864.810.61Z3A25泥岩8.855.430.617.173.620.507.554.370.58Z4A14泥岩4.322.090.484.642.820.615.883.110.53Z4A26泥岩4.492.630.596.723.510.525.543.030.55Z4A20泥岩7.994.280.545.222.770.534.842.970.61Z4A30泥岩8.175.120.637.844.320.557.013.770.54Z4A31泥岩5.772.890.505.483.230.594.622.610.56统计件数n27.0027.0027.00平均值μ06.643.730.56标准差σ1.490.95变异系数δ0.220.25修正系数φa0.920.92标准值μk6.143.42表3-3中等风化砂岩岩抗压试验成果统计表试样

编号岩石名称天然抗压强度单值(MPa)饱和抗压强度单值(MPa)软化系数Z4A2砂岩22.316.70.7520.113.90.6923.315.80.68Z4A6砂岩19.613.50.6915.310.90.7117.512.20.70Z4A12砂岩19.412.90.6621.816.30.7518.312.10.66统计件数n9.009.009.00平均值μ019.7313.810.70标准差σ2.512.04变异系数δ0.130.15修正系数φa0.920.91标准值μk18.1612.53表3-4中等风化泥岩岩抗剪、抗拉、变形试验成果统计表样品编号岩石名称天然密度抗拉强度δτ（MPa）抗剪强度指标天然变形模量（10×4MPa）天然弹性模量（10×4MPa）天然泊松比图解法（g/cm3）单值ΦC（MPa）Z3A19泥岩2.520.36637.11.470.1410.1690.342.530.4330.1310.1580.352.530.3920.1120.1370.36Z4A21泥岩2.550.56538.22.020.2040.2440.312.540.4950.1870.2260.332.540.6150.1520.1860.35H2A33泥岩2.520.53437.91.870.1980.2370.322.520.4380.1360.1670.362.50.5670.1640.1990.34H2A17泥岩2.550.62238.72.140.1960.2380.332.540.6660.2170.2610.312.540.5060.1690.2070.35H2A25泥岩2.530.55838.22.010.1760.2130.332.520.6190.2050.2450.322.520.4880.1590.1950.34统计数量151555151515平均值2.530.5238.021.900.170.210.34标准差0.010.090.590.260.030.040.02变异系数0.010.170.020.140.1840.1790.049修正系数φa0.920.900.90采用值0.4834.21.710.1700.205表3-5中等风化砂岩岩抗剪、抗拉、变形试验成果统计表样品编号岩石名称天然密度抗拉强度δτ（MPa）抗剪强度指标变形模量（10×4MPa）弹性模量（10×4MPa）泊松比图解法（g/cm3）单值ΦC（MPa）Z4A2砂岩2.461.3941.34.760.5770.6890.212.441.610.5460.6610.232.451.220.5120.6260.25Z4A6砂岩2.451.2540.73.860.4110.5030.262.471.030.4380.5290.242.471.110.4590.5480.22Z4A12砂岩2.481.4341.14.320.4890.5910.232.481.220.5230.6250.212.491.170.4670.5720.25统计数量9933999平均值2.471.2741.03