临港南动迁小区边坡勘察报告》,确定其天然容重r=,内聚力C=14kPa,内摩擦角φ=°。粉质粘土物理力学性质指标统计表表3统计指标含水量湿密度干密度孔隙比液限塑限塑性指数液性指数压缩模量压缩系数快剪现场直剪内聚力内摩擦角内聚力内摩擦角wρυρde0WLWpIpILEsa1-qφcq%g/cm3g/cm3%%MPaMPa-1kPa°kPa°样本数n66666666666633最小值min19.41.951.620.62830.617.612.80.145.550.23321.05.818.415.1最大值max22.21.991.650.66431.618.013.60.306.810.28643.012.519.617.9平均值φm20.521.981.640.64831.117.8313.270.226.0470.26133.339.8318.916.5标准差σf1.0870.0140.0140.0140.3850.1510.2880.0750.6570.0228.9372.945变异系数δ0.0530.0070.0090.0210.0120.0080.0220.3700.1090.0850.2680.300修正系数γs0.900.780.75标准值5.426.07.44、中风化板岩夹石英岩:据岩样室内试验及现场直剪试验结果,统计确定其物理力学性质指标见表4,地基承载力特征值fa=940kPa。φg/cm3%%MPakPa°样本数n6666633最小值min2.214.635.010.898.9129.272.8最大值max2.366.858.040.9412.833.675.8平均值φm2.2835.9076.4630.91510.72731.374.5标准差σf0.0671.7801.2990.0191.552变异系数0.0290.2000.2010.0200.145