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1、土 顆 粒 分 析公稱粒徑留篩試樣質(zhì)量(g)累積留篩試樣質(zhì)量(g)小于該孔徑試樣的質(zhì)量(g)某顆粒占總質(zhì)量比例(%)D60、D30、D10(%)對應粒徑小于2mm土占總土重（%）20000925610092561000092561008000925610060443443881395.2607.340533976828089.5301.9207821758749881100.241010682826643069.555%55%518724698455849.2根據(jù)六階回歸方程計算x、yx取值不均勻系數(shù)216676365289131.216887053220323.8試商x計算yCu0.5853
2、7906135014.67.012632.9017.330.420.25391829795910.42.63713.7861.9550.07563889353213.50.3851.7280.240321925600925620%20%20080604020520.50.250.0757.31.90.24顆粒大小分布曲線圖0.0010.010.111010010000102030405060708090100公稱粒徑小于某粒徑之土質(zhì)量百分數(shù)(%)20080604020520.50.250.0757.31.90.24顆粒大小分布曲線圖0.0010.010.111010010000102030405060708090100公稱粒徑小于某粒徑之土質(zhì)量百分數(shù)(%)曲率系數(shù)Cc2.061 13 320080604020520.50.250.0757.31.90.24顆粒大小分布曲線圖0.0010.010.111010010000102030405060708090100公稱粒徑小于某粒徑之土質(zhì)量百分數(shù)(%)20080604020520.50.250.0757.31.90.24顆粒大小分布曲線圖0.0010.010.111010010000102030405060708090100公稱粒徑小于某粒徑之土質(zhì)量百分數(shù)(%)
1土顆粒分析曲線
