Abstract：Experiments on bursting liability of coal sample of Chengjiao coal mine were carried out by the RMT–150B servo-control testing machine. The test results indicate that the deformation characteristics after post-peak stage is related to the way of load control. The stress control method should be employed when testing dynamic time of failure and the strain control method should be used when testing burst energy index. The compression strength has well positive correlation with elasticity module，burst energy index，elasticity energy index and residual energy index but has negative correlation with dynamic time to failure，which indicates that the higher the compression strength of coal sample，the more dangerous the rock burst. The burst energy index of coal samples has well positive correlation with elasticity energy index，so does the relation between elasticity energy index and residual energy index. The dynamic time to failure has well negative correlation with burst energy index. And whether the residual energy index and elasticity module can be the criterion of coal seam classification of bursting liability needs further study. Finally，based on experimental data that the dynamic time to failure，elasticity energy index，burst energy index and uniaxial compression strength of the coal samples is 306 ms，5.91，2.48 and 8.86 MPa respectively，it can be concluded by the fuzzy comprehensive method that the Two2 coal seam of Chengjiao mine belongs to the type of weak bursting liability.
苏承东，袁瑞甫，翟新献. 城郊矿煤样冲击倾向性指数的试验研究[J]. 岩石力学与工程学报, 2013, 32(s2): 3696-3704.
SU Chengdong，YUAN Ruifu，ZHAI Xinxian. Experimental research on bursting liability index of coal samples of Chengjiao coal mine. , 2013, 32(s2): 3696-3704.
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2013, Vol. 32 
