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Keywords: crack-producing area
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Proceedings Papers

Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-152
... leads to different deformation areas on the surface related to the different zones in the deep rock mass. So the mine surface is divided into four related areas: cumulative deformation area, crack-producing area, crack-extending area, and crack-closing area. As mining progresses, four zones of the deep...

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