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Experimental investigation of the strain rate effect on crack initiation and crack damage thresholds of hard rock under quasi-static compression |
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| Authors: | Xu Rongchao Zhang Shengzhe Li Zhen Yan Xinming |
| Institution: | 1.College of Geosciences and Engineering, North China University of Water Resources and Electric Power, Zhengzhou, 450046, China ;2.School of Civil Engineering, Henan Polytechnic University, Jiaozuo, 454003, China ;3.Collaborative Innovation Center of Coal Work Safety and Clean High Efficiency Utilization, Jiaozuo, 454003, China ; |
| Abstract: | Acta Geotechnica - The crack closure stress σcc, crack initiation stress σci and crack damage stress σcd are important mechanical parameters to describe the brittle failure mechanism... |
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