PDF(3275 KB)
Study on Primary Supporting Time for Hard Surrounding Rockmass
SHU Ze-Ai, CHENG Qian, LIU Ji-Guo, SHU Fu-An
Chinese Journal of Underground Space and Engineering ›› 2010, Vol. 6 ›› Issue (6) : 1240-1245.
PDF(3275 KB)
PDF(3275 KB)
Study on Primary Supporting Time for Hard Surrounding Rockmass
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