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3 应力与能量关系拟合表
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Table 3 Fitting table of relationship between stress and energy
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岩样加卸载 | k2(J/MPa) | 幂指数α | 相关系数(R) |
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大理岩 | 1-加载 | 0.003 | 1.798 | 0.998 | 2-加载 | 0.003 | 1.750 | 0.997 | 3-加载 | 0.003 | 1.788 | 0.998 | 平均值-加载 | 0.003 | 1.778 | 0.998 | 1-卸载 | 0.003 | 1.760 | 0.998 | 2-卸载 | 0.003 | 1.757 | 0.998 | 3-卸载 | 0.003 | 1.794 | 0.999 | 平均值-卸载 | 0.003 | 1.770 | 0.998 | 花岗岩 | 1-加载 | 0.006 | 1.687 | 0.999 | 2-加载 | 0.007 | 1.667 | 0.999 | 3-加载 | 0.007 | 1.648 | 0.999 | 平均值-加载 | 0.009 | 1.593 | 0.996 | 1-卸载 | 0.006 | 1.690 | 0.999 | 2-卸载 | 0.008 | 1.621 | 0.998 | 3-卸载 | 0.007 | 1.632 | 0.998 | 平均值-卸载 | 0.007 | 1.668 | 0.999 | 红砂岩 | 1-加载 | 0.019 | 1.704 | 0.999 | 2-加载 | 0.019 | 1.700 | 0.998 | 3-加载 | 0.018 | 1.724 | 0.998 | 平均值-加载 | 0.019 | 1.709 | 0.998 | 1-卸载 | 0.020 | 1.671 | 0.995 | 2-卸载 | 0.019 | 1.684 | 0.994 | 3-卸载 | 0.024 | 1.595 | 0.999 | 平均值-卸载 | 0.021 | 1.648 | 0.997 |
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