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| STUDY ON THE PROPERTY OF ACOUSTIC EMISSION STRAIGHT SHEARING TEST OF ROCK JOINT IN DACHANG TONGKENG MINE |
| Zhou Xiaoping，Zhang Yongxing |
| (College of Civil Engineering，Chongqing University，Chongqing 400045 China) |
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Abstract During the straight shear test of rock joint，the relationship between power-rate and number of acoustic emission events in case of joint failure is studied. It is found that the different stages of deformation and failure of the rock are easily determined by the power-rate.
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2002, Vol. 21 
