標準地層土石代號說明,,,,,,,,,,

巖性,成因,時代,稠度及風化,密實度,主層,亞層,次亞層,參考承載力（kPa）,巖土施工工程分級,備注

人工填土、雜填土,ml,Q4,,松散,0,1,,,Ⅰ,

,,,,稍密,0,2,,,Ⅱ,

,,,,中密,0,3,,80,Ⅱ,

,,,,密實,0,4,,100,Ⅲ,

淤泥,al、pl、dl、l,Q4,軟塑,,1,0,4,80~120,Ⅰ,

,,,流塑,,1,0,5,20~80,Ⅰ,

黏土,,,堅硬,,2,1,1,180,Ⅲ,

,,,硬塑,,2,1,2,150,Ⅱ,

,,,可塑,,2,1,3,135,Ⅱ,

,,,軟塑,,2,1,4,120,Ⅱ,

,,,流塑,,2,1,5,50~100,Ⅰ,

黏土夾砂,,,堅硬,,2,2,1,180,Ⅲ,

,,,硬塑,,2,2,2,150,Ⅱ,

,,,可塑,,2,2,3,135,Ⅱ,

,,,軟塑,,2,2,4,120,Ⅱ,

,,,流塑,,2,2,5,50~100,Ⅰ,

黏土夾碎礫石,,,堅硬,,2,3,1,200,Ⅲ,

,,,硬塑,,2,3,2,180,Ⅱ,

,,,可塑,,2,3,3,135,Ⅱ,

,,,軟塑,,2,3,4,120,Ⅱ,

,,,流塑,,2,3,5,50~100,Ⅰ,

黏土,al、pl、dl、l,Q2+3,堅硬,,2,4,1,250,Ⅲ,

,,,硬塑,,2,4,2,200,Ⅱ,

,,,可塑,,2,4,3,160,Ⅱ,

,,,軟塑,,2,4,4,120,Ⅱ,

,,,流塑,,2,4,5,50~100,Ⅰ,

黏土夾砂,,,堅硬,,2,5,1,250,Ⅲ,

,,,硬塑,,2,5,2,200,Ⅱ,

,,,可塑,,2,5,3,160,Ⅱ,

,,,軟塑,,2,5,4,120,Ⅱ,

,,,流塑,,2,5,5,50~100,Ⅰ,

黏土夾碎礫石,,,堅硬,,2,6,1,300,Ⅲ,

,,,硬塑,,2,6,2,250,Ⅱ,

,,,可塑,,2,6,3,180,Ⅱ,

,,,軟塑,,2,6,4,150,Ⅱ,

,,,流塑,,2,6,5,50~100,Ⅰ,

黏土夾碎礫石,el+dl,Q,堅硬,,2,7,1,200,Ⅲ,

,,,硬塑,,2,7,2,180,Ⅲ,

粉質黏土（砂黏土）,al、pl、dl、l,Q4,堅硬,,3,1,1,180,Ⅲ,

,,,硬塑,,3,1,2,150,Ⅱ,

,,,可塑,,3,1,3,135,Ⅱ,

,,,軟塑,,3,1,4,120,Ⅱ,

,,,流塑,,3,1,5,50~100,Ⅰ,

粉質黏土（砂黏土）夾砂,,,堅硬,,3,2,1,180,Ⅲ,

,,,硬塑,,3,2,2,150,Ⅱ,

,,,可塑,,3,2,3,135,Ⅱ,

,,,軟塑,,3,2,4,120,Ⅱ,

,,,流塑,,3,2,5,50~100,Ⅰ,

粉質黏土（砂黏土）夾碎礫石,,,堅硬,,3,3,1,200,Ⅲ,

,,,硬塑,,3,3,2,180,Ⅱ,

,,,可塑,,3,3,3,135,Ⅱ,

,,,軟塑,,3,3,4,120,Ⅱ,

,,,流塑,,3,3,5,50~100,Ⅰ,

粉質黏土（砂黏土）,al、pl、dl、l,Q2+3,堅硬,,3,4,1,250,Ⅲ,

,,,硬塑,,3,4,2,200,Ⅱ,

,,,可塑,,3,4,3,160,Ⅱ,

,,,軟塑,,3,4,4,120,Ⅱ,

,,,流塑,,3,4,5,50~100,Ⅰ,

粉質黏土（砂黏土）夾砂,,,堅硬,,3,5,1,250,Ⅲ,

,,,硬塑,,3,5,2,200,Ⅱ,

,,,可塑,,3,5,3,160,Ⅱ,

,,,軟塑,,3,5,4,120,Ⅱ,

,,,流塑,,3,5,5,50~100,Ⅰ,

粉質黏土（砂黏土）夾碎礫石,,,堅硬,,3,6,1,300,Ⅲ,

,,,硬塑,,3,6,2,250,Ⅱ,

,,,可塑,,3,6,3,180,Ⅱ,

,,,軟塑,,3,6,4,150,Ⅱ,

,,,流塑,,3,6,5,50~100,Ⅰ,

粉質黏土（砂黏土）夾碎礫石,el+dl,Q,堅硬,,3,7,1,200,Ⅲ,

,,,硬塑,,3,7,2,180,Ⅲ,

粉土（黏砂土）,al、pl、dl、l,Q4,堅硬,密實,4,1,1,150,Ⅲ,

,,,硬塑,中密,4,1,2,120,Ⅱ,

,,,可塑,稍密,4,1,3,100,Ⅱ,

,,,軟塑,稍密,4,1,4,100,Ⅱ,

,,,流塑,松散,4,1,5,60,Ⅰ,

粉土（黏砂土）夾砂,,,堅硬,密實,4,2,1,150,Ⅲ,

,,,硬塑,中密,4,2,2,120,Ⅱ,

,,,可塑,稍密,4,2,3,100,Ⅱ,

,,,軟塑,稍密,4,2,4,100,Ⅱ,

,,,流塑,松散,4,2,5,60,Ⅰ,

粉土（黏砂土）夾碎礫石,,,堅硬,密實,4,3,1,150,Ⅲ,

,,,硬塑,中密,4,3,2,120,Ⅱ,

,,,可塑,稍密,4,3,3,100,Ⅱ,

,,,軟塑,稍密,4,3,4,100,Ⅱ,

,,,流塑,松散,4,3,5,60,Ⅰ,

粉土（黏砂土）,al、pl、dl、l,Q2+3,堅硬,密實,4,4,1,180,Ⅲ,

,,,硬塑,中密,4,4,2,150,Ⅱ,

,,,可塑,稍密,4,4,3,120,Ⅱ,

,,,軟塑,稍密,4,4,4,100,Ⅱ,

,,,流塑,松散,4,4,5,60,Ⅰ,

粉土（黏砂土）夾砂,,,堅硬,密實,4,5,1,180,Ⅲ,

,,,硬塑,中密,4,5,2,150,Ⅱ,

,,,可塑,稍密,4,5,3,120,Ⅱ,

,,,軟塑,稍密,4,5,4,100,Ⅱ,

,,,流塑,松散,4,5,5,60,Ⅰ,

粉土（黏砂土）夾碎礫石,,,堅硬,密實,4,6,1,200,Ⅲ,

,,,硬塑,中密,4,6,2,180,Ⅱ,

,,,可塑,稍密,4,6,3,150,Ⅱ,

,,,軟塑,稍密,4,6,4,120,Ⅱ,

,,,流塑,松散,4,6,5,80,Ⅰ,

粉砂,al、pl、dl、l,Q4,稍濕,松散,5,1,1,按規范，一般取平均值，夾黏性土時取低值,Ⅰ,

,,,,稍密,5,1,2,,Ⅰ,

,,,,中密,5,1,3,,Ⅰ,

,,,,密實,5,1,4,,Ⅰ,

,,,潮濕,松散,5,2,1,,Ⅰ,

,,,,稍密,5,2,2,,Ⅰ,

,,,,中密,5,2,3,,Ⅰ,

,,,,密實,5,2,4,,Ⅰ,

,,,飽和,松散,5,3,1,,Ⅰ,

,,,,稍密,5,3,2,,Ⅰ,

,,,,中密,5,3,3,,Ⅰ,

,,,,密實,5,3,4,,Ⅰ,

,al、pl、dl、l,Q2+3,稍濕,松散,5,4,1,,Ⅰ,

,,,,稍密,5,4,2,,Ⅰ,

,,,,中密,5,4,3,,Ⅰ,

,,,,密實,5,4,4,,Ⅰ,

,,,潮濕,松散,5,5,1,,Ⅰ,

,,,,稍密,5,5,2,,Ⅰ,

,,,,中密,5,5,3,,Ⅰ,

,,,,密實,5,5,4,,Ⅰ,

,,,飽和,松散,5,6,1,,Ⅰ,

,,,,稍密,5,6,2,,Ⅰ,

,,,,中密,5,6,3,,Ⅰ,

,,,,密實,5,6,4,,Ⅰ,

細砂,al、pl、dl、l,Q4,稍濕,松散,6,1,1,,Ⅰ,

,,,,稍密,6,1,2,,Ⅰ,

,,,,中密,6,1,3,,Ⅰ,

,,,,密實,6,1,4,,Ⅰ,

,,,潮濕,松散,6,2,1,,Ⅰ,

,,,,稍密,6,2,2,,Ⅰ,

,,,,中密,6,2,3,,Ⅰ,

,,,,密實,6,2,4,,Ⅰ,

,,,飽和,松散,6,3,1,,Ⅰ,

,,,,稍密,6,3,2,,Ⅰ,

,,,,中密,6,3,3,,Ⅰ,

,,,,密實,6,3,4,,Ⅰ,

,al、pl、dl、l,Q2+3,稍濕,松散,6,4,1,,Ⅰ,

,,,,稍密,6,4,2,,Ⅰ,

,,,,中密,6,4,3,,Ⅰ,

,,,,密實,6,4,4,,Ⅰ,

,,,潮濕,松散,6,5,1,,Ⅰ,

,,,,稍密,6,5,2,,Ⅰ,

,,,,中密,6,5,3,,Ⅰ,

,,,,密實,6,5,4,,Ⅰ,

,,,飽和,松散,6,6,1,,Ⅰ,

,,,,稍密,6,6,2,,Ⅰ,

,,,,中密,6,6,3,,Ⅰ,

,,,,密實,6,6,4,,Ⅰ,

中砂,al、pl、dl、l,Q4,稍濕,松散,7,1,1,,Ⅰ,

,,,,稍密,7,1,2,,Ⅰ,

,,,,中密,7,1,3,,Ⅰ,

,,,,密實,7,1,4,,Ⅰ,

,,,潮濕,松散,7,2,1,,Ⅰ,

,,,,稍密,7,2,2,,Ⅰ,

,,,,中密,7,2,3,,Ⅰ,

,,,,密實,7,2,4,,Ⅰ,

,,,飽和,松散,7,3,1,,Ⅰ,

,,,,稍密,7,3,2,,Ⅰ,

,,,,中密,7,3,3,,Ⅰ,

,,,,密實,7,3,4,,Ⅰ,

,al、pl、dl、l,Q2+3,稍濕,松散,7,4,1,,Ⅰ,

,,,,稍密,7,4,2,,Ⅰ,

,,,,中密,7,4,3,,Ⅰ,

,,,,密實,7,4,4,,Ⅰ,

,,,潮濕,松散,7,5,1,,Ⅰ,

,,,,稍密,7,5,2,,Ⅰ,

,,,,中密,7,5,3,,Ⅰ,

,,,,密實,7,5,4,,Ⅰ,

,,,飽和,松散,7,6,1,,Ⅰ,

,,,,稍密,7,6,2,,Ⅰ,

,,,,中密,7,6,3,,Ⅰ,

,,,,密實,7,6,4,,Ⅰ,

粗砂,al、pl、dl、l,Q4,稍濕,松散,8,1,1,,Ⅰ,

,,,,稍密,8,1,2,,Ⅰ,

,,,,中密,8,1,3,,Ⅰ,

,,,,密實,8,1,4,,Ⅰ,

,,,潮濕,松散,8,2,1,,Ⅰ,

,,,,稍密,8,2,2,,Ⅰ,

,,,,中密,8,2,3,,Ⅰ,

,,,,密實,8,2,4,,Ⅰ,

,,,飽和,松散,8,3,1,,Ⅰ,

,,,,稍密,8,3,2,,Ⅰ,

,,,,中密,8,3,3,,Ⅰ,

,,,,密實,8,3,4,,Ⅰ,

,al、pl、dl、l,Q2+3,稍濕,松散,8,4,1,,Ⅰ,

,,,,稍密,8,4,2,,Ⅰ,

,,,,中密,8,4,3,,Ⅰ,

,,,,密實,8,4,4,,Ⅰ,

,,,潮濕,松散,8,5,1,,Ⅰ,

,,,,稍密,8,5,2,,Ⅰ,

,,,,中密,8,5,3,,Ⅰ,

,,,,密實,8,5,4,,Ⅰ,

,,,飽和,松散,8,6,1,,Ⅰ,

,,,,稍密,8,6,2,,Ⅰ,

,,,,中密,8,6,3,,Ⅰ,

,,,,密實,8,6,4,,Ⅰ,

礫砂,al、pl、dl、l,Q4,稍濕,松散,9,1,1,,Ⅰ,

,,,,稍密,9,1,2,,Ⅰ,

,,,,中密,9,1,3,,Ⅱ,

,,,,密實,9,1,4,,Ⅱ,

,,,潮濕,松散,9,2,1,,Ⅰ,

,,,,稍密,9,2,2,,Ⅰ,

,,,,中密,9,2,3,,Ⅱ,

,,,,密實,9,2,4,,Ⅱ,

,,,飽和,松散,9,3,1,,Ⅰ,

,,,,稍密,9,3,2,,Ⅰ,

,,,,中密,9,3,3,,Ⅱ,

,,,,密實,9,3,4,,Ⅱ,

,al、pl、dl、l,Q2+3,稍濕,松散,9,4,1,,Ⅰ,

,,,,稍密,9,4,2,,Ⅰ,

,,,,中密,9,4,3,,Ⅱ,

,,,,密實,9,4,4,,Ⅱ,

,,,潮濕,松散,9,5,1,,Ⅰ,

,,,,稍密,9,5,2,,Ⅰ,

,,,,中密,9,5,3,,Ⅱ,

,,,,密實,9,5,4,,Ⅱ,

,,,飽和,松散,9,6,1,,Ⅰ,

,,,,稍密,9,6,2,,Ⅰ,

,,,,中密,9,6,3,,Ⅱ,

,,,,密實,9,6,4,,Ⅱ,

細角礫土、細圓礫土（過去的角礫土、圓礫土、礫石土）,al、pl、dl、l,Q4,稍濕,松散,10,1,1,,Ⅰ,

,,,,稍密,10,1,2,,Ⅱ,

,,,,中密,10,1,3,,Ⅲ,

,,,,密實,10,1,4,,Ⅲ,

,,,潮濕,松散,10,2,1,,Ⅰ,

,,,,稍密,10,2,2,,Ⅱ,

,,,,中密,10,2,3,,Ⅲ,

,,,,密實,10,2,4,,Ⅲ,

,,,飽和,松散,10,3,1,,Ⅰ,

,,,,稍密,10,3,2,,Ⅱ,

,,,,中密,10,3,3,,Ⅲ,

,,,,密實,10,3,4,,Ⅲ,

,al、pl、dl、l,Q2+3,稍濕,松散,10,4,1,,Ⅰ,

,,,,稍密,10,4,2,,Ⅱ,

,,,,中密,10,4,3,,Ⅲ,

,,,,密實,10,4,4,,Ⅲ,

,,,潮濕,松散,10,5,1,,Ⅰ,

,,,,稍密,10,5,2,,Ⅱ,

,,,,中密,10,5,3,,Ⅲ,

,,,,密實,10,5,4,,Ⅲ,

,,,飽和,松散,10,6,1,,Ⅰ,

,,,,稍密,10,6,2,,Ⅱ,

,,,,中密,10,6,3,,Ⅲ,

,,,,密實,10,6,4,,Ⅲ,

,el+dl,Q,稍濕,松散,10,7,1,,Ⅰ,

,,,,稍密,10,7,2,,Ⅱ,

,,,,中密,10,7,3,,Ⅲ,

,,,潮濕,松散,10,8,1,,Ⅰ,

,,,,稍密,10,8,2,,Ⅱ,

,,,,中密,10,8,3,,Ⅲ,

粗角礫土、粗圓礫土（過去的碎石土、卵石土）,al、pl、dl、l,Q4,稍濕,松散,11,1,1,,Ⅱ,

,,,,稍密,11,1,2,,Ⅱ,

,,,,中密,11,1,3,,Ⅲ,

,,,,密實,11,1,4,,Ⅲ,

,,,潮濕,松散,11,2,1,,Ⅱ,

,,,,稍密,11,2,2,,Ⅱ,

,,,,中密,11,2,3,,Ⅲ,

,,,,密實,11,2,4,,Ⅲ,

,,,飽和,松散,11,3,1,,Ⅱ,

,,,,稍密,11,3,2,,Ⅱ,

,,,,中密,11,3,3,,Ⅲ,

,,,,密實,11,3,4,,Ⅲ,

,al、pl、dl、l,Q2+3,稍濕,松散,11,4,1,,Ⅱ,

,,,,稍密,11,4,2,,Ⅱ,

,,,,中密,11,4,3,,Ⅲ,

,,,,密實,11,4,4,,Ⅲ,

,,,潮濕,松散,11,5,1,,Ⅱ,

,,,,稍密,11,5,2,,Ⅱ,

,,,,中密,11,5,3,,Ⅲ,

,,,,密實,11,5,4,,Ⅲ,

,,,飽和,松散,11,6,1,,Ⅱ,

,,,,稍密,11,6,2,,Ⅱ,

,,,,中密,11,6,3,,Ⅲ,

,,,,密實,11,6,4,,Ⅲ,

,el+dl,Q,稍濕,松散,11,7,1,,Ⅱ,

,,,,稍密,11,7,2,,Ⅱ,

,,,,中密,11,7,3,,Ⅲ,

,,,潮濕,松散,11,8,1,,Ⅱ,

,,,,稍密,11,8,2,,Ⅱ,

,,,,中密,11,8,3,,Ⅲ,

塊石土、漂石土,al、pl、dl、l,Q4,稍濕,松散,12,1,1,,Ⅱ,

,,,,稍密,12,1,2,,Ⅲ,

,,,,中密,12,1,3,,Ⅲ,

,,,,密實,12,1,4,,Ⅳ,

,,,潮濕,松散,12,2,1,,Ⅱ,

,,,,稍密,12,2,2,,Ⅲ,

,,,,中密,12,2,3,,Ⅲ,

,,,,密實,12,2,4,,Ⅳ,

,,,飽和,松散,12,3,1,,Ⅱ,

,,,,稍密,12,3,2,,Ⅲ,

,,,,中密,12,3,3,,Ⅲ,

,,,,密實,12,3,4,,Ⅳ,

,al、pl、dl、l,Q2+3,稍濕,松散,12,4,1,,Ⅱ,

,,,,稍密,12,4,2,,Ⅲ,

,,,,中密,12,4,3,,Ⅲ,

,,,,密實,12,4,4,,Ⅳ,

,,,潮濕,松散,12,5,1,,Ⅱ,

,,,,稍密,12,5,2,,Ⅲ,

,,,,中密,12,5,3,,Ⅲ,

,,,,密實,12,5,4,,Ⅳ,

,,,飽和,松散,12,6,1,,Ⅱ,

,,,,稍密,12,6,2,,Ⅲ,

,,,,中密,12,6,3,,Ⅲ,

,,,,密實,12,6,4,,Ⅳ,

,el+dl,Q,稍濕,松散,12,7,1,,Ⅱ,

,,,,稍密,12,7,2,,Ⅲ,

,,,,中密,12,7,3,,Ⅳ,

,,,潮濕,松散,12,8,1,,Ⅱ,

,,,,稍密,12,8,2,,Ⅲ,

,,,,中密,12,8,3,,Ⅳ,

泥質膠結砂巖及含礫砂巖、頁巖,沉積巖,下第三系、白堊系,W4,全風化,20,4,,200,Ⅲ,

,,,W3,強風化,20,3,,300,Ⅳ,

,,,W2,弱風化,20,2,,400,Ⅳ,

,,,W1,微風化,20,1,,600,Ⅳ,

泥質膠結砂巖及含礫砂巖、頁巖,沉積巖,其它地層,W4,全風化,21,4,,250,Ⅲ,

,,,W3,強風化,21,3,,350,Ⅳ,

,,,W2,弱風化,21,2,,450,Ⅳ,

,,,W1,微風化,21,1,,650,Ⅳ,

鐵質膠結砂巖,沉積巖,,W4,全風化,22,4,,250,Ⅲ,

,,,W3,強風化,22,3,,400,Ⅳ,

,,,W2,弱風化,22,2,,600,Ⅳ,

,,,W1,微風化,22,1,,800,Ⅴ,

鈣質膠結砂巖,沉積巖,,W4,全風化,23,4,,250,Ⅲ,

,,,W3,強風化,23,3,,400,Ⅳ,

,,,W2,弱風化,23,2,,600,Ⅳ,

,,,W1,微風化,23,1,,800,Ⅴ,

細砂巖,沉積巖,,W4,全風化,24,4,,250,Ⅲ,

,,,W3,強風化,24,3,,400,Ⅳ,

,,,W2,弱風化,24,2,,600,Ⅳ,

,,,W1,微風化,24,1,,800,Ⅴ,

石英砂巖,沉積巖,,W4,全風化,25,4,,250,Ⅲ,

,,,W3,強風化,25,3,,500,Ⅳ,

,,,W2,弱風化,25,2,,1000,Ⅴ,

,,,W1,微風化,25,1,,1500,Ⅵ,

泥質膠結含礫砂巖,沉積巖,下第三系、白堊系,W4,全風化,26,4,,200,Ⅲ,

,,,W3,強風化,26,3,,300,Ⅳ,

,,,W2,弱風化,26,2,,450,Ⅳ,

,,,W1,微風化,26,1,,800,Ⅳ,

其它膠結含礫砂巖,沉積巖,其它地層,W4,全風化,27,4,,250,Ⅲ,

,,,W3,強風化,27,3,,400,Ⅳ,

,,,W2,弱風化,27,2,,600,Ⅳ,

,,,W1,微風化,27,1,,800,Ⅴ,

泥質膠結砂礫巖,沉積巖,下第三系、白堊系,W4,全風化,28,4,,250,Ⅲ,

,,,W3,強風化,28,3,,350,Ⅳ,

,,,W2,弱風化,28,2,,500,Ⅳ,

,,,W1,微風化,28,1,,800,Ⅳ,

其它膠結砂礫巖,沉積巖,其它地層,W4,全風化,29,4,,250,Ⅲ,

,,,W3,強風化,29,3,,400,Ⅳ,

,,,W2,弱風化,29,2,,800,Ⅳ,

,,,W1,微風化,29,1,,1000,Ⅴ,

泥質膠結礫巖,沉積巖,下第三系、白堊系,W4,全風化,30,4,,250,Ⅲ,

,,,W3,強風化,30,3,,350,Ⅳ,

,,,W2,弱風化,30,2,,600,Ⅳ,

,,,W1,微風化,30,1,,800,Ⅳ,

其它膠結礫巖,沉積巖,其它地層,W4,全風化,31,4,,250,Ⅲ,

,,,W3,強風化,31,3,,450,Ⅳ,

,,,W2,弱風化,31,2,,800,Ⅳ,

,,,W1,微風化,31,1,,1000,Ⅴ,

泥灰巖,沉積巖,,W4,全風化,32,4,,250,Ⅲ,

,,,W3,強風化,32,3,,400,Ⅳ,

,,,W2,弱風化,32,2,,600,Ⅳ,

,,,W1,微風化,32,1,,800,Ⅴ,

炭質灰巖,沉積巖,,W4,全風化,33,4,,200,Ⅲ,

,,,W3,強風化,33,3,,350,Ⅳ,

,,,W2,弱風化,33,2,,500,Ⅳ,

,,,W1,微風化,33,1,,800,Ⅴ,

灰巖,沉積巖,,W4,全風化,34,4,,250,Ⅲ,

,,,W3,強風化,34,3,,500,Ⅳ,

,,,W2,弱風化,34,2,,800,Ⅴ,

,,,W1,微風化,34,1,,12