层理结构板岩动态断裂特性
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张玉,王文己,孙加奇,肖永刚
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Fracture Performances of Bedding Structure Slate Under Dynamic Loading
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Yu ZHANG,Wenji WANG,Jiaqi SUN,Yonggang XIAO
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表2 层理结构板岩动态冲击试验结果
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Table 2 Dynamic impact test results of bedding structure slate
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| 倾角/（o） | 冲击速度/（m·s-1） | 峰值荷载/N | 断裂韧度/（MPa·mm0.5） |
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| 0 | 12 | 3 928.32 | 212.58 | | 20 | 4 935.74 | 267.09 | | 25 | 6 453.85 | 349.24 | | 15 | 12 | 4 296.16 | 232.48 | | 20 | 5 500.20 | 297.64 | | 25 | 6 152.45 | 332.93 | | 30 | 12 | 3 920.10 | 212.13 | | 20 | 5 943.53 | 321.63 | | 25 | 6 646.04 | 359.64 | | 45 | 12 | 5 131.72 | 277.70 | | 20 | 6 297.23 | 340.77 | | 25 | 7 238.87 | 391.72 | | 60 | 12 | 5 290.28 | 286.28 | | 20 | 6 179.06 | 334.37 | | 25 | 8 088.75 | 437.71 | | 75 | 12 | 5 416.12 | 293.09 | | 20 | 6 454.50 | 349.28 | | 25 | 7 558.56 | 409.02 | | 90 | 12 | 6 505.87 | 352.06 | | 20 | 7 287.28 | 394.34 | | 25 | 7 947.93 | 430.09 |
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