目录
前言iii
1 范围 .................................................................................................................................................. 1
2 定义 .................................................................................................................................................. 1
2.1 无侧限抗压强度(QU) ............................................................................................................... 1
2.2 灵敏度 ..................................................................................................................................... 1
2.3 十字板抗剪强度(ΤV) .............................................................................................................. 1
2.4 (CU)不排水抗剪强度(CU) ......................................................................................................... 2
2.5 残余强度 ................................................................................................................................. 2
3 实验室十字板的方法确定抗剪强度 .............................................................................................. 2
3.1 综述 ......................................................................................................................................... 2
3.2 仪器 ......................................................................................................................................... 2
3.3 程序 ......................................................................................................................................... 3
3.4 计算 ......................................................................................................................................... 3
3.5 试验报告 ................................................................................................................................. 4
4 直剪确定抗剪强度的方法（小剪切盒仪器） .............................................................................. 4
4.1 综述 ......................................................................................................................................... 4
4.2 仪器 ......................................................................................................................................... 5
4.3 检查和准备仪器 ..................................................................................................................... 6
4.4 制备试样 ................................................................................................................................. 7
4.5 试验程序 ................................................................................................................................. 9
4.6 计算和绘图 ........................................................................................................................... 12
4.7 试验报告 ............................................................................................................................... 14
5 （大剪切盒仪器）直剪确定抗剪强度 ........................................................................................ 14
5.1 综述 ....................................................................................................................................... 14
5.2 仪器 ....................................................................................................................................... 15
5.3 仪器测量 ............................................................................................................................... 16
5.4 大剪切盒试样制备 ............................................................................................................... 16
5.5 试验程序 ............................................................................................................................... 19
5.6 统计和绘图 ........................................................................................................................... 20
5.7 试验报告 ............................................................................................................................... 21
6 通过小环刀剪切仪器确定残余强度 ............................................................................................ 21
6.1 综述 ....................................................................................................................................... 21
6.2 仪器 ....................................................................................................................................... 22
6.3 试样制备 ............................................................................................................................... 22
6.4 试验程序 ............................................................................................................................... 23
6.5 计算 ....................................................................................................................................... 24
6.6 试验报告 ............................................................................................................................... 25
7 确定无侧限抗压强度 .................................................................................................................... 25
7.1 综述 ....................................................................................................................................... 25
7.2 加载框架法 ........................................................................................................................... 26
7.3 自动绘图法 ........................................................................................................................... 28
8 不测量孔隙压力的三轴压缩试验以确定不排水的抗剪强度 .................................................... 29
8.1 综述 ....................................................................................................................................... 29
8.2 仪器 ....................................................................................................................................... 30
8.3 试样制备 ............................................................................................................................... 31
8.4 试验程序 ............................................................................................................................... 32
8.5 绘图和计算 ........................................................................................................................... 33
8.6 试验报告 ............................................................................................................................... 34
9 多级加载和不测量孔隙压力的三轴压缩确定不排水剪切试验 ................................................ 35
9.1 综述 ....................................................................................................................................... 35
9.2 仪器 ....................................................................................................................................... 35
9.3 试样制备 ............................................................................................................................... 35
9.4 试验程序 ............................................................................................................................... 35
9.5 制图和计算 ........................................................................................................................... 36
9.6 试验报告 ............................................................................................................................... 37
参考出版物 ............................................................................................................................................ 50
图 1-实验室十字板仪器 ...................................................................................................................... 38
图 2-剪切盒详图 ................................................................................................................................... 39
图 3-剪切盒仪器总体布局图 ................................................................................................................ 40
图 4-刀剪切仪器的典型布局 ................................................................................................................ 41
图 5-测限压力试验典型的框架 ............................................................................................................ 42
图 6-桶状校正网格 ................................................................................................................................ 43
图 7-型的无测限抗压强度自动绘图仪器 ............................................................................................ 44
图 8-测限抗压强度试验试验图形 ........................................................................................................ 45
图 9-测限抗压试验图的覆盖罩 ............................................................................................................ 46
图 10-轴仪器及典型细节图 .................................................................................................................. 47
图 11-校正图 .......................................................................................................................................... 48