文献类型：期刊文献

英文题名：Numerical investigation on fracture characteristic and failure mechanism of rock-like materials with intermittent flaws under compressive-shear loading

作者：Niu, Yong[1,2,3];Liu, Guangjian[1,2];Zhong, Zhen[1,2];Wang, Jinguo[3];Zhang, Ranran[4];Liu, Bolong[1,2]

机构：[1]Shaoxing Univ, Key Lab Rock Mech & Geohazards Zhejiang Prov, Shaoxing 312099, Zhejiang, Peoples R China;[2]Shaoxing Univ, Sch Civil Engn, Shaoxing 312099, Zhejiang, Peoples R China;[3]Hohai Univ, Sch Earth Sci & Engn, Nanjing 211100, Jiangsu, Peoples R China;[4]Northwestern Polytech Univ, Sch Ecol & Environm, Xian 710129, Shaanxi, Peoples R China

年份：2023

卷号：388

外文期刊名：CONSTRUCTION AND BUILDING MATERIALS

收录：SCI-EXPANDED(收录号：WOS:001007019000001)、、EI(收录号：20232014091270)、Scopus(收录号：2-s2.0-85159091362)、WOS

基金：The present work is supported by the National Natural Science Foundation of China (Grant Nos. 42107029 and 42107177) , the Shaoxing Basic Public Welfare Planning Project (Grant No. 2022A13004) , and the Scientific Research Fund Project of Shaoxing University (Grant No. 2021LG014) , which are gratefully acknowledgement.

语种：英文

外文关键词：Compressive-shear loading; Rock-like materials; Fracture characteristics; Fracture mechanism; Stress failure criterion

外文摘要：An extended non-ordinary state-based peridynamic (NOSB-PD) theory is utilized to investigate the fracture characteristics of rock-like materials containing intermittent flaws under compressive-shear loading. The stress -based failure criteria, i.e., the maximum tensile stress criterion and the Mohr-Coulomb criterion, are integrated into the NOSB-PD theory to respectively determine the tensile failure and shear failure of flawed rock-like materials. The distribution characteristics of maximum principal stress and shear stress acquired by the NOSB-PD theory are employed to analyze the fracture failure mechanism of flawed rock-like materials under compressive-shear loading. The effects of inclination angle of the central flaw on the initiation and coalescence modes of flawed rock-like specimens are investigated. The numerical results of flawed rock-like materials are in good agreement with the experimental results. The extended NOSB-PD has the ability to simulate the fracture processes under compressive-shear loading.