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J. Cent. South Univ. (2020) 27: 891-910 DOI: https://doi.org/10.1007/s11771-020-4339-5 Experimental simulation investigation of influence of depth on spalling characteristics in circular hard rock tunnel LUO Yong(罗勇)1, 2, GONG Feng-qiang(宫凤强)2, 3, LI Xi-bing(李夕兵)2, WANG Shan-yong(王善勇)4 1. School o......
J. Cent. South Univ. (2020) 27: 3852-3874 DOI: https://doi.org/10.1007/s11771-020-4468-x Excavation influence of triangular-distribution tunnels for wind pavilion group of a metro station CHEN Tao(陈涛)1, 2, ZHOU Kun(周坤)3, WEI Jun(卫军)1, LIU Xiao-chun(刘晓春)1, LIN Yu-liang(林宇亮)1, ZHANG Jian(张箭)3, SHEN ......
孔构件受到弯矩M作用,则多孔体中孔棱出现的最大正应力(发生在多孔构件的截面边缘,或者说是多孔构件的表层部分)为 (48a) 对应地,孔棱中出现的最大切应力为 (48b) 式中:W为多孔构件的弯曲截面模量. 根据文献[30]中相应部分同样的处理方式可知,在弯曲载荷作用下,多孔体中孔棱发生拉伸断裂模式和剪切破坏模式时,最大名义... P S. Macroscopic fracture behavior of nickel foam under tension[J]. Multidiscipline Modeling in Materials and Structures, 2016, 12(1): 110-118. [40] LIU P S, Liang K M, Tu S W. Relationship between......
: 10.1016/j.jnnfm.2016.01.002. [46] SAAK A W, JENNINGS H M, SHAH S P. A generalized approach for the determination of yield stress by slump and slump flow [J]. Cement and Concrete Research, 2004, 34(3): 363-371......