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《Journal of Liaoning Technical University (Natural Science Edition)》 2001-04
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The Rock Failure and Fall of the Large Underground Mined-out Area

ZHAO Wen (Department of Civil Engineering ,Northeastern University ,Shenyang 110006,China )  
The theoretical analysis, the computer simulation and the practice of the work all indicated that enlarging the mined-out area could tempt the rock fall. The rock falling process acted on different phrases. The large mined-out area could diffuse the impact current quickly. When the fall didn抰 get to the ground, the probability of the large fall was small.
【CateGory Index】: TD327
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