岩体完整性指数与弹性模量之间的关系研究

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Abstract Research and test have proved the closeness between elasticity modulus and integrity index of rock mass. The elasticity modulus can be indirectly inferred from the study of rock mass integrity. The borehole image technology and its analytical approaches are used to get the rock mass integrity index(RMDI)，which is deduced to have negative linear correlation with rock mass elasticity modulus when it was kept constant. The conclusion is proved to be right by the on-site trial. Otherwise，it contrasted the correlations of RMDI and rock quality designation to the elasticity modulus of rock mass，the result showed that RMDI and elasticity modulus has higher dependency.

Key words： rock mechanics borehole image elasticity modulus rock mass integrity index(RMDI) damage mechanics

Received: 28 July 2010

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http://www.rockmech.org/EN/Y2011/V30/IS2/3914

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