土力学课后习题部分问题详解(重庆大学出版社)

1、实用文档第一章土的物理性质及工程分类(教材习题 ) 1-1 解（ 1）a曲线：卵石或碎石（ 20mm ）占 10077=23% 砾粒（20-2mm ）占 77 50=27% 砂粒（2-0.075mm）占 50 10=40% 粉粒（ 0.075mm ）占 10% （ 2）a 曲线较平缓，说明a 土土粒粒度分布范围广，颗粒不均匀，故级配良好；而b 土曲线较 a土曲线陡，说明其粒度分布范围窄，土粒均匀，故级配不良。（ 3）a土08.0d106.0d303.6d6055408./06.3/dd1060uc25.10.08)/(3.6(0.6)/()(26010230cdddc在 1-3 之间，故a土级

2、配好 b土15.0d1035.0d3074.0d6059.474/0.15.0/dd1060uc1.100.15)/(0.74(0.35)/()(26010230cdddc只满足一个条件，故级配不良1-2 解：119gsm8g119-127mmmsw%72.6119/8/mswmw0.6371-760.0672)/1.(112.71)/(1wgews3cm/76g.172/127/vm3wssatcm/04g.2637).0(1/637).07.(2e)(1/)(eg3wsatcm/04g.1 3cm/65g.172/119/vmsd38.9%0.637)0.637/(1)/(1een5%.2

3、82.7/0.6370.0672/ewgssr比较密度：satd 实用文档1-3 解svvv , 1sv/vve3/4 .13)11/(1068.2)1/(mknegwsdwvvv3/4 .18)11/(10)168.2()1/()()1/()(mkneedevgwswvssat%3.3768.2/1/1/svwsswwswggvvwww1-4 解设31mvknvwds113407.0)107. 2/(11)/(mdwvwsss3593.0407.01mvvvsvswwww/kn5.5115 .0swwww355.010/5.5/mwvwww3043.055.0593.0mvvvwva1-5

4、解：饱和土sgwe)1/()(eegwssat即sge4.010)1/()(18eegs以上两式联立求解解得05.1e65.2sg1-6 解ssswwwwwww/)(/可求得%16w时，nw64.21时土粒的质量nwwws655.18)16.01/(64.21)1/(其中水量为nwwwsw985.2655.1816.0当%25w时，土中水量为nwwwsw664.4655.1825.0实用文档因此增加的水量nww679.1985.2664.41-7 解：设饱和土为31mv1wsvvv饱和土6 .0/sswswgvvwww由上两式联立可得：382.0sv618.0wvkngvwwsss314.10

5、107 .2382.0knwwwsw186.631.1060.0当%15w时，需要土knwwws86.11314.1015.1)1(其中水量knwwwsw547.1314.1015.0故增加水的重量为knw64. 4547.1186.61-8 解：1esvvve/svvv31mv35.0mvvsvvwrvvs/34.05.08.0mvsvvrw当水蒸发掉一半时32.02/4.02/mvvww9 .0/2.0/rwvsvv%2.72722.09.0/2. 05.0v1-9 证：wwwwwwwwvwvwswssssd/)(1/1)/()/(1/1-10 解：663.011 .17/)073.01(

6、1065.2(1/)1(wgews33min/9.14/0149.02000/85.29/mkncmnvwsd)1/(/maxminegwsd)1/(1065.29 .14maxe779.0maxe33min/3 .16/0163.02000/5.32/mkncmnvwsd)1/(/minminegwsd)1/(1065.23.16mine6 2 6.0mine实用文档因此增加的水量nww679.1985.2664.41-7 解：设饱和土为31mv1wsvvv饱和土6 .0/sswswgvvwww由上两式联立可得：382.0sv618.0wvkngvwwsss314.10107 .2382.0

7、knwwwsw186.631.1060.0当%15w时，需要土knwwws86.11314.1015.1)1(其中水量knwwwsw547.1314.1015.0故增加水的重量为knw64. 4547.1186.61-8 解：1esvvve/svvv31mv35.0mvvsvvwrvvs/34.05.08.0mvsvvrw当水蒸发掉一半时32.02/4.02/mvvww9 .0/2.0/rwvsvv%2.72722.09.0/2. 05.0v1-9 证：wwwwwwwwvwvwswssssd/)(1/1)/()/(1/1-10 解：663.011 .17/)073.01(1065.2(1/)1

8、(wgews33min/9.14/0149.02000/85.29/mkncmnvwsd)1/(/maxminegwsd)1/(1065.29 .14maxe779.0maxe33min/3 .16/0163.02000/5.32/mkncmnvwsd)1/(/minminegwsd)1/(1065.23.16mine6 2 6.0mine实用文档因此增加的水量nww679.1985.2664.41-7 解：设饱和土为31mv1wsvvv饱和土6 .0/sswswgvvwww由上两式联立可得：382.0sv618.0wvkngvwwsss314.10107 .2382.0knwwwsw186.

9、631.1060.0当%15w时，需要土knwwws86.11314.1015.1)1(其中水量knwwwsw547.1314.1015.0故增加水的重量为knw64. 4547.1186.61-8 解：1esvvve/svvv31mv35.0mvvsvvwrvvs/34.05.08.0mvsvvrw当水蒸发掉一半时32.02/4.02/mvvww9 .0/2.0/rwvsvv%2.72722.09.0/2. 05.0v1-9 证：wwwwwwwwvwvwswssssd/)(1/1)/()/(1/1-10 解：663.011 .17/)073.01(1065.2(1/)1(wgews33min

10、/9.14/0149.02000/85.29/mkncmnvwsd)1/(/maxminegwsd)1/(1065.29 .14maxe779.0maxe33min/3 .16/0163.02000/5.32/mkncmnvwsd)1/(/minminegwsd)1/(1065.23.16mine6 2 6.0mine实用文档因此增加的水量nww679.1985.2664.41-7 解：设饱和土为31mv1wsvvv饱和土6 .0/sswswgvvwww由上两式联立可得：382.0sv618.0wvkngvwwsss314.10107 .2382.0knwwwsw186.631.1060.0当

11、%15w时，需要土knwwws86.11314.1015.1)1(其中水量knwwwsw547.1314.1015.0故增加水的重量为knw64. 4547.1186.61-8 解：1esvvve/svvv31mv35.0mvvsvvwrvvs/34.05.08.0mvsvvrw当水蒸发掉一半时32.02/4.02/mvvww9 .0/2.0/rwvsvv%2.72722.09.0/2. 05.0v1-9 证：wwwwwwwwvwvwswssssd/)(1/1)/()/(1/1-10 解：663.011 .17/)073.01(1065.2(1/)1(wgews33min/9.14/0149.

12、02000/85.29/mkncmnvwsd)1/(/maxminegwsd)1/(1065.29 .14maxe779.0maxe33min/3 .16/0163.02000/5.32/mkncmnvwsd)1/(/minminegwsd)1/(1065.23.16mine6 2 6.0mine实用文档因此增加的水量nww679.1985.2664.41-7 解：设饱和土为31mv1wsvvv饱和土6 .0/sswswgvvwww由上两式联立可得：382.0sv618.0wvkngvwwsss314.10107 .2382.0knwwwsw186.631.1060.0当%15w时，需要土kn

13、wwws86.11314.1015.1)1(其中水量knwwwsw547.1314.1015.0故增加水的重量为knw64. 4547.1186.61-8 解：1esvvve/svvv31mv35.0mvvsvvwrvvs/34.05.08.0mvsvvrw当水蒸发掉一半时32.02/4.02/mvvww9 .0/2.0/rwvsvv%2.72722.09.0/2. 05.0v1-9 证：wwwwwwwwvwvwswssssd/)(1/1)/()/(1/1-10 解：663.011 .17/)073.01(1065.2(1/)1(wgews33min/9.14/0149.02000/85.29

14、/mkncmnvwsd)1/(/maxminegwsd)1/(1065.29 .14maxe779.0maxe33min/3 .16/0163.02000/5.32/mkncmnvwsd)1/(/minminegwsd)1/(1065.23.16mine6 2 6.0mine实用文档因此增加的水量nww679.1985.2664.41-7 解：设饱和土为31mv1wsvvv饱和土6 .0/sswswgvvwww由上两式联立可得：382.0sv618.0wvkngvwwsss314.10107 .2382.0knwwwsw186.631.1060.0当%15w时，需要土knwwws86.1131

15、4.1015.1)1(其中水量knwwwsw547.1314.1015.0故增加水的重量为knw64. 4547.1186.61-8 解：1esvvve/svvv31mv35.0mvvsvvwrvvs/34.05.08.0mvsvvrw当水蒸发掉一半时32.02/4.02/mvvww9 .0/2.0/rwvsvv%2.72722.09.0/2. 05.0v1-9 证：wwwwwwwwvwvwswssssd/)(1/1)/()/(1/1-10 解：663.011 .17/)073.01(1065.2(1/)1(wgews33min/9.14/0149.02000/85.29/mkncmnvwsd

16、)1/(/maxminegwsd)1/(1065.29 .14maxe779.0maxe33min/3 .16/0163.02000/5.32/mkncmnvwsd)1/(/minminegwsd)1/(1065.23.16mine6 2 6.0mine实用文档因此增加的水量nww679.1985.2664.41-7 解：设饱和土为31mv1wsvvv饱和土6 .0/sswswgvvwww由上两式联立可得：382.0sv618.0wvkngvwwsss314.10107 .2382.0knwwwsw186.631.1060.0当%15w时，需要土knwwws86.11314.1015.1)1(

17、其中水量knwwwsw547.1314.1015.0故增加水的重量为knw64. 4547.1186.61-8 解：1esvvve/svvv31mv35.0mvvsvvwrvvs/34.05.08.0mvsvvrw当水蒸发掉一半时32.02/4.02/mvvww9 .0/2.0/rwvsvv%2.72722.09.0/2. 05.0v1-9 证：wwwwwwwwvwvwswssssd/)(1/1)/()/(1/1-10 解：663.011 .17/)073.01(1065.2(1/)1(wgews33min/9.14/0149.02000/85.29/mkncmnvwsd)1/(/maxmin

18、egwsd)1/(1065.29 .14maxe779.0maxe33min/3 .16/0163.02000/5.32/mkncmnvwsd)1/(/minminegwsd)1/(1065.23.16mine6 2 6.0mine实用文档因此增加的水量nww679.1985.2664.41-7 解：设饱和土为31mv1wsvvv饱和土6 .0/sswswgvvwww由上两式联立可得：382.0sv618.0wvkngvwwsss314.10107 .2382.0knwwwsw186.631.1060.0当%15w时，需要土knwwws86.11314.1015.1)1(其中水量knwwwsw

19、547.1314.1015.0故增加水的重量为knw64. 4547.1186.61-8 解：1esvvve/svvv31mv35.0mvvsvvwrvvs/34.05.08.0mvsvvrw当水蒸发掉一半时32.02/4.02/mvvww9 .0/2.0/rwvsvv%2.72722.09.0/2. 05.0v1-9 证：wwwwwwwwvwvwswssssd/)(1/1)/()/(1/1-10 解：663.011 .17/)073.01(1065.2(1/)1(wgews33min/9.14/0149.02000/85.29/mkncmnvwsd)1/(/maxminegwsd)1/(10

20、65.29 .14maxe779.0maxe33min/3 .16/0163.02000/5.32/mkncmnvwsd)1/(/minminegwsd)1/(1065.23.16mine6 2 6.0mine实用文档因此增加的水量nww679.1985.2664.41-7 解：设饱和土为31mv1wsvvv饱和土6 .0/sswswgvvwww由上两式联立可得：382.0sv618.0wvkngvwwsss314.10107 .2382.0knwwwsw186.631.1060.0当%15w时，需要土knwwws86.11314.1015.1)1(其中水量knwwwsw547.1314.10

21、15.0故增加水的重量为knw64. 4547.1186.61-8 解：1esvvve/svvv31mv35.0mvvsvvwrvvs/34.05.08.0mvsvvrw当水蒸发掉一半时32.02/4.02/mvvww9 .0/2.0/rwvsvv%2.72722.09.0/2. 05.0v1-9 证：wwwwwwwwvwvwswssssd/)(1/1)/()/(1/1-10 解：663.011 .17/)073.01(1065.2(1/)1(wgews33min/9.14/0149.02000/85.29/mkncmnvwsd)1/(/maxminegwsd)1/(1065.29 .14ma

22、xe779.0maxe33min/3 .16/0163.02000/5.32/mkncmnvwsd)1/(/minminegwsd)1/(1065.23.16mine6 2 6.0mine实用文档因此增加的水量nww679.1985.2664.41-7 解：设饱和土为31mv1wsvvv饱和土6 .0/sswswgvvwww由上两式联立可得：382.0sv618.0wvkngvwwsss314.10107 .2382.0knwwwsw186.631.1060.0当%15w时，需要土knwwws86.11314.1015.1)1(其中水量knwwwsw547.1314.1015.0故增加水的重量

23、为knw64. 4547.1186.61-8 解：1esvvve/svvv31mv35.0mvvsvvwrvvs/34.05.08.0mvsvvrw当水蒸发掉一半时32.02/4.02/mvvww9 .0/2.0/rwvsvv%2.72722.09.0/2. 05.0v1-9 证：wwwwwwwwvwvwswssssd/)(1/1)/()/(1/1-10 解：663.011 .17/)073.01(1065.2(1/)1(wgews33min/9.14/0149.02000/85.29/mkncmnvwsd)1/(/maxminegwsd)1/(1065.29 .14maxe779.0maxe

24、33min/3 .16/0163.02000/5.32/mkncmnvwsd)1/(/minminegwsd)1/(1065.23.16mine6 2 6.0mine实用文档因此增加的水量nww679.1985.2664.41-7 解：设饱和土为31mv1wsvvv饱和土6 .0/sswswgvvwww由上两式联立可得：382.0sv618.0wvkngvwwsss314.10107 .2382.0knwwwsw186.631.1060.0当%15w时，需要土knwwws86.11314.1015.1)1(其中水量knwwwsw547.1314.1015.0故增加水的重量为knw64. 454

25、7.1186.61-8 解：1esvvve/svvv31mv35.0mvvsvvwrvvs/34.05.08.0mvsvvrw当水蒸发掉一半时32.02/4.02/mvvww9 .0/2.0/rwvsvv%2.72722.09.0/2. 05.0v1-9 证：wwwwwwwwvwvwswssssd/)(1/1)/()/(1/1-10 解：663.011 .17/)073.01(1065.2(1/)1(wgews33min/9.14/0149.02000/85.29/mkncmnvwsd)1/(/maxminegwsd)1/(1065.29 .14maxe779.0maxe33min/3 .16

26、/0163.02000/5.32/mkncmnvwsd)1/(/minminegwsd)1/(1065.23.16mine6 2 6.0mine实用文档因此增加的水量nww679.1985.2664.41-7 解：设饱和土为31mv1wsvvv饱和土6 .0/sswswgvvwww由上两式联立可得：382.0sv618.0wvkngvwwsss314.10107 .2382.0knwwwsw186.631.1060.0当%15w时，需要土knwwws86.11314.1015.1)1(其中水量knwwwsw547.1314.1015.0故增加水的重量为knw64. 4547.1186.61-8

27、 解：1esvvve/svvv31mv35.0mvvsvvwrvvs/34.05.08.0mvsvvrw当水蒸发掉一半时32.02/4.02/mvvww9 .0/2.0/rwvsvv%2.72722.09.0/2. 05.0v1-9 证：wwwwwwwwvwvwswssssd/)(1/1)/()/(1/1-10 解：663.011 .17/)073.01(1065.2(1/)1(wgews33min/9.14/0149.02000/85.29/mkncmnvwsd)1/(/maxminegwsd)1/(1065.29 .14maxe779.0maxe33min/3 .16/0163.02000

28、/5.32/mkncmnvwsd)1/(/minminegwsd)1/(1065.23.16mine6 2 6.0mine实用文档因此增加的水量nww679.1985.2664.41-7 解：设饱和土为31mv1wsvvv饱和土6 .0/sswswgvvwww由上两式联立可得：382.0sv618.0wvkngvwwsss314.10107 .2382.0knwwwsw186.631.1060.0当%15w时，需要土knwwws86.11314.1015.1)1(其中水量knwwwsw547.1314.1015.0故增加水的重量为knw64. 4547.1186.61-8 解：1esvvve/

29、svvv31mv35.0mvvsvvwrvvs/34.05.08.0mvsvvrw当水蒸发掉一半时32.02/4.02/mvvww9 .0/2.0/rwvsvv%2.72722.09.0/2. 05.0v1-9 证：wwwwwwwwvwvwswssssd/)(1/1)/()/(1/1-10 解：663.011 .17/)073.01(1065.2(1/)1(wgews33min/9.14/0149.02000/85.29/mkncmnvwsd)1/(/maxminegwsd)1/(1065.29 .14maxe779.0maxe33min/3 .16/0163.02000/5.32/mkncmnvwsd)1/(/minminegwsd)1/(1065.23.16mine6 2 6.0mine实用文档因此增加的水量nww679.1985.2664.41-7 解：设饱和土为31mv1wsvvv饱和土6 .0/sswswgvvwww由上两式联立可得：382.0sv618.0wvkngvwwsss314.10107 .2382.0knwwwsw186.631.1060.0当%15w时，需要土knwwws86.11314.1015.1)1(其中水量knwwwsw54