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| RESEARCH ON RELATIONSHIP OF ROCK MASS INTEGRITY INDEX AND ROCK MASS ELASTIC MODULUS |
| GUO Qiang1，GE Xiurun1，2，CHE Ailan1 |
(1. School of Naval Architecture，Ocean and Civil Engineering，Shanghai Jiaotong University，Shanghai 200240，China；
2. State Key Laboratory of Rock and Soil Mechanics，Institute of Rock and Soil Mechanics，Chinese Academy of Sciences，
Wuhan，Hubei 430071，China) |
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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.
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Received: 28 July 2010
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2011, Vol. 30 
