TY - Journal of Yangtze River Scientific Research Institute A1 - CHEN Zi yang, ZHAO Qi hua, PENG She qin, HAN Gang T1 - Experimental Study on Similar Material of Deep UnloadingPhysical Simulation Test Y1 - 2014-09-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 93 EP - 98 VL - 31 IS - 9 UR - http://ckyyb.crsri.cn N1 - 10.3969/j.issn.1001-5485.2014.09.018 ER -