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《Shaanxi Coal》 2010-01
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Discussion on the calculation of plastic zone radius for the surrounding rock of roadway

JU Zhao-xu1,XU Zun-yu2,JING Huan-qing2(1.Dingji Coal Mine,Huaihu Coal and Power Co.,Ltd,Huainan 232141,China;2.Institute of Energy and Safety,Anhui University of Science and Technology,Huainan 232001,China)  
The paper calculated the plastic zone radius of surrounding rock of roadway by using Morh-Coulomb yield criterion and Drucker-Prager yield criterion,obtained the characteristics and the application of engineering design of the two yield criterion by comparing the plastic zone radius.
【CateGory Index】: TD313
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