基于波速测量的岩石储能量化表征方法研究
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郭春志,马春德,周亚楠,刘泽霖,龙珊
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Research on Quantitative Characterization Method of Rock Energy Storage Based on Wave Velocity Measurement
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Chunzhi GUO,Chunde MA,Yanan ZHOU,Zelin LIU,Shan LONG
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表2 波速与应力关系拟合表
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Table 2 Fitting table of relationship between wave velocity and stress
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岩样加卸载 | k1/(m·MPa-1·s-1) | v0/(m·s-1) | 相关系数(R) |
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大理岩 | 1-加载 | 15.34 | 5 060 | 0.976 | 2-加载 | 14.86 | 5 103 | 0.967 | 3-加载 | 13.38 | 5 100 | 0.989 | 平均值-加载 | 14.53 | 5 088 | 0.980 | 1-卸载 | 14.49 | 5 102 | 0.977 | 2-卸载 | 14.08 | 5 106 | 0.976 | 3-卸载 | 14.14 | 5 088 | 0.993 | 平均值-卸载 | 14.24 | 5 123 | 0.986 | 花岗岩 | 1-加载 | 9.21 | 4 568 | 0.961 | 2-加载 | 8.45 | 4 623 | 0.978 | 3-加载 | 8.38 | 4 576 | 0.983 | 平均值-加载 | 8.68 | 4 589 | 0.979 | 1-卸载 | 8.77 | 4 616 | 0.974 | 2-卸载 | 7.97 | 4 679 | 0.969 | 3-卸载 | 8.45 | 4 600 | 0.984 | 平均值-卸载 | 8.40 | 4 632 | 0.979 | 红砂岩 | 1-加载 | 25.97 | 2 675 | 0.964 | 2-加载 | 24.82 | 2 720 | 0.963 | 3-加载 | 27.97 | 2 646 | 0.986 | 平均值-加载 | 26.26 | 2 680 | 0.974 | 1-卸载 | 24.05 | 2 746 | 0.961 | 2-卸载 | 25.00 | 2 717 | 0.967 | 3-卸载 | 27.59 | 2 660 | 0.986 | 平均值-卸载 | 25.55 | 2 708 | 0.975 |
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