基于L型回弹仪的岩石力学特性试验研究
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徐先锋,邢鹏飞,汪泳,王岁红
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Experimental Study on Rock Mechanical Properties Based on L-Type Rebound Instrument
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Xianfeng XU,Pengfei XING,Yong WANG,Suihong WANG
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表3 岩石试样基本物理力学参数
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Table 3 Physical and mechanical parameters of rock specimens
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采样区域 | 岩样编号 | 直径/mm | 高度/mm | 密度/(kg?m-3) | 纵波波速/(m?s-1) | 单轴压缩强度/MPa | 弹模/GPa |
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S-82台阶 | A4-1 | 49.20 | 100.21 | 2 640.66 | 5 030 | 123.32 | 36.31 | A4-2 | 49.31 | 99.64 | 2 661.21 | 4 689 | 117.48 | 34.41 | A4-4 | 49.32 | 100.53 | 2 579.19 | 4 842 | 116.66 | 33.67 | S-70台阶 | B2-1 | 49.72 | 99.64 | 2 559.11 | 4 320 | 95.54 | 32.98 | B2-2 | 49.62 | 99.57 | 2 445.49 | 4 052 | 103.35 | 29.04 | B2-3 | 49.08 | 99.69 | 2 492.94 | 4 179 | 89.03 | 27.53 | N-70台阶 | C3-1 | 48.53 | 100.09 | 2 447.72 | 3 639 | 76.21 | 25.82 | C3-2 | 49.36 | 99.68 | 2 394.98 | 3 594 | 70.67 | 25.03 | C3-3 | 49.05 | 99.77 | 2 399.41 | 3 227 | 75.98 | 24.53 | N-58台阶 | D1-1 | 49.28 | 100.22 | 2 391.61 | 3 354 | 56.70 | 23.42 | D1-2 | 49.59 | 100.20 | 2 218.21 | 3 263 | 49.02 | 18.32 | D1-3 | 49.34 | 98.99 | 2 250.34 | 3 822 | 63.21 | 15.72 |
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