椭圆形孔洞对砂岩试样强度及变形特征影响研究
杜明瑞,靖洪文,苏海健
Study on the influence of elliptical hole on strength and deformation characteristics of sandstone sample
DU Mingrui,JING Hongwen,SU Haijian
采矿与安全工程学报 . 2017, (1): 141 -147 .