Mixed-Mode I–II Cracking Characterization of Mortar Using Phase-Field Method
Publication: Journal of Engineering Mechanics
Volume 143, Issue 7
Abstract
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.
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Acknowledgments
The research performed in this paper is supported by National Natural Science Foundation of China (No. 41372320), Natural Science Foundation of Shandong Province (ZR2015EQ009), the Fundamental Research Funds for the Central Universities (06500036), and the Open Fund of State Key Laboratory of Disaster Reduction in Civil Engineering (SLDRCE15-03).
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Published In
Journal of Engineering Mechanics
Volume 143 • Issue 7 • July 2017
Copyright
©2017 American Society of Civil Engineers.
History
Received: Feb 23, 2016
Accepted: Nov 4, 2016
Published online: Feb 22, 2017
Published in print: Jul 1, 2017
Discussion open until: Jul 22, 2017
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