N型组合节理类岩体单轴压缩破坏试验
孙冰,罗瑜,谢杰辉,曾晟

Failure Test of N-type Combination Jointed Rock Mass Under Uniaxial Compression
Bing SUN,Yu LUO,Jiehui XIE,Sheng ZENG
表1 超声波波速统计结果
Table 1 Statistical result of ultrasonic velocity
节理夹角/(°) 超声波波速最大值/(km·s-1 超声波波速最小值/(km·s-1 超声波波速平均值/(km·s-1 标准差 衰减率/%
完整试件 2.863 2.027 2.725 209
0 2.778 1.832 2.563 300 5.9
15 2.660 1.802 2.482 243 8.9
30 2.717 1.965 2.514 253 7.7
45 2.757 2.001 2.605 194 4.4
60 2.799 2.119 2.699 183 0.9
75 2.679 2.083 2.518 180 7.5
90 2.660 1.658 2.463 295 9.6