土力学1-1 解:(1) A 试样100.083dmm300.317dmm600.928dmm60100.92811.180.083udCd22301060()0.3171.610.083 0.928cdCd d(1) B 试样100.0015dmm300.003dmm600.0066dmm60100.00664.40.0015udCd22301060()0.0030.910.0015 0.0066cdCd d1-2 解:已知: m = Sm = SG =Q 饱和rS =1又知:wSmm m(1) 含水量wSmm= 4.710.6 ==%(2) 孔隙比0.443 2.71.201.0SreGS(3) 孔隙率1.20.54554.5%11 1.2ee(4) 饱和密度及其重度32.71.21.77 /11 1.2SsatwGeg cme31.771017.7/satsatgkN m(5) 浮密度及其重度3'1.771.00.77/satwg cm3''0.77107.7/gkNm(6) 干密度及其重度32.7 1.01.23/11 1.2SwdGg cme31.23 1012.3/ddgkNm1-3 解:Q31.601.51 /11 0.06dg cm2.70 1.01110.791.51sswddGe0.7929.3%2.70satseGQ1.60100150.91110.06smVmg(29.3%6%)150.935.2wsmmg1-4 解:QwSmmwSmm msSm mm1000940110.06smmgQ0.160.16940150wsmmgg1-5 解:(1) Q31.771.61 /110.098dg cmw02.7 1.01110.681.61sswddGe(2) 00.6825.2%2.7satseG(3) max0maxmin0.940.680.540.940.46reeDeeQ1/ 32/ 3rD该砂土层处于中密状态。1-6 解:1. Q1SdGeSrGeS0.152.750.8250.5Ae0.062.680.5360.3Be32.751.50/10.825dAg cm32.681.74/10.536dBg cmQ(1)d3(1)1.50(10.15)1.74/AdAAg cm3(1)1.74(10.06)1.84/BdBBg cmQAB上述叙述是错误的。2. Q32.751.50/10.825dAg cm32.681.74/10.536dBg cmdAdB上述叙述是错误的。3. Q0.152.750.8250.5Ae0.062.680.5360.3BeABee上述叙述是正确的。1-7证明:(1) /1/11sssssswdsVVsmmmVGVVVVVeeQ1nen1()(1)111swswswGGGnnen(2) 1/111swwVwswswssVsswwrsrwsVVsmVVVmmVVVVGS eGS emVVVVVeeegg(3) 1'1111swsswsswsswswwswVsVsmmVmVVGGVVVVeeeV1-8 解:(1) 对 A 土进行分类① 由粒径分布曲线图,查得粒径大于㎜的粗粒含量大于50%,所以 A 土属于粗粒土;② 粒径大于 2 ㎜的砾粒含量小于50%,所以 A 土属于砂类,但小于㎜的细粒含量为27%,在 15%~50%之间,因而 A 土属于细粒土质砂;③ 由于 A 土的液限为 %,塑性指数16133pI,在 17 ㎜塑性图上落在 ML 区,故 A 土最后定名为粉土质砂 (SM)。(2) 对 B 土进行分类① 由粒径分布曲线图,查得粒径大于㎜的粗粒含量大于50%,所以 B 土属于粗粒土;② 粒径大于 2 ㎜的砾粒含量小于50%,所以 B 土属于砂类,但小于㎜的细粒含量为28%,...