TY - Journal of Yangtze River Scientific Research Institute A1 - ZHAI Han-bo , LI Da-yong , LIU Qing-song , WANG Kai-ting T1 - Study on the Pole Point Method of Mohr Strain Circle and the Characteristics of Strain Pole Point Y1 - 2016-05-25 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 88 EP - 93 VL - 33 IS - 6 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20150561 ER -