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Abstract:
A mesoscopic numerical simulation method, which considers the development of concrete cracks during propagation around or through aggregate, is proposed. Firstly, the basic principle of self-consistent finite stress model for mode-I fracture analysis of concrete-like materials is reviewed. Then, the finite element method is used to verify the equivalence between the self-consistent finite stress principle modeling and the conventional modeling from two dimensions of local energy equivalence and macroscopic mechanical equivalence. Finally, a numerical simulation method based on the self-consistent finite stress principle and meso-fracture propagation path criterion is developed to simulate the meso-fracture failure behaviors such as the development of concrete cracks around and through aggregate at the meso-scale. The research results in this work can lay the foundation for the subsequent development of efficient numerical analysis methods based on mesoscopic fracture failure criteria. © 2024 Chinese Society of Civil Engineering. All rights reserved.
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China Civil Engineering Journal
ISSN: 1000-131X
Year: 2024
Issue: 3
Volume: 57
Page: 30-41
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WoS CC Cited Count: 0
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 1
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