期刊
JOURNAL OF ENGINEERING MECHANICS
卷 143, 期 7, 页码 -出版社
ASCE-AMER SOC CIVIL ENGINEERS
DOI: 10.1061/(ASCE)EM.1943-7889.0001228
关键词
Mixed Mode I-II; Mortar; Numerical simulation; Cracking test
资金
- National Natural Science Foundation of China [41372320]
- Natural Science Foundation of Shandong Province [ZR2015EQ009]
- Fundamental Research Funds for the Central Universities [06500036]
- State Key Laboratory of Disaster Reduction in Civil Engineering [SLDRCE15-03]
There have been many studies on mortar single-mode cracking behavior under tensile loading, however, the mixed-mode cracking is still not fully understood. In this paper, the mortar Mixed-Mode I-II cracking behavior is investigated by decomposing the total fracture energy into Mode I component and Mode II component. The total fracture energy is then put into the modified nonconserved Allen-Cahn equation to simulate the cracking process. Two types of cracking experiments, namely, internal inclined cracking test and single-edge cracking test, are conducted to verify the simulation results. It is discovered that the phase-field method simulation could satisfactorily capture the Mixed-Mode I-II cracking behavior of mortar. (C) 2017 American Society of Civil Engineers.
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