Analysis of Rationality of Class II Stress-strain Whole Process Curve of Rock Using Energy Criteria

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Journal of Changjiang River Scientific Research Institute ›› 2010, Vol. 27 ›› Issue (3) : 42-45.

HEALTHY CHANGJIANG RIVER

Analysis of Rationality of Class II Stress-strain Whole Process Curve of Rock Using Energy Criteria

CAI Peng 1 ， WANG An-quan 2 ， WANG Bin 1 ， WU Ai-qing 1

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Abstract

The existing discussion about the two types of the rock whole process stress  strain curve is analysed. According to a large number of test results based on the MTS trial system, the rationality of the class II curve is analysed using energy criteria. And owing to a more stable control method, the class II curve can reflect the real situation of rock mass destruction, and can provide a new starting point to study the rock burst.

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whole process curve / the class II curve / energy criterion

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CAI Peng ， WANG An-quan ， WANG Bin ， WU Ai-qing. Analysis of Rationality of Class II Stress-strain Whole Process Curve of Rock Using Energy Criteria[J]. Journal of Changjiang River Scientific Research Institute. 2010, 27(3): 42-45