| Citation: | Han Youming, Du Lei, Zhu Xinghua, Chen Lixia, Yu Yuting, Chen Qin. Numerical simulation of masonry building deformation and failure characteristics in landslide tension areas[J]. Bulletin of Geological Science and Technology, 2023, 42(3): 55-62. doi: 10.19509/j.cnki.dzkq.tb20220718
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To ensure the safety of life and property of residents on landslides and reveal the deformation and failure law of masonry buildings on landslides, it is necessary to carry out a simulation study on the deformation and failure process of masonry buildings under the action of landslide deformation. A refined model of a masonry building was established based on the contact separation modeling method in ABAQUS, and the viscous contact interface was used to simulate the effect of mortar in the wall. Comparing the results of the numerical simulation with the physical model test results, the main conclusion is as follows: through the comparison of macroscopic deformation characteristics and microscopic stress and strain data obtained from physical and numerical model tests, the load-strain curve of the numerical model test agrees well with that of the physical model test, and their strain clouds are consistent, proving the validity of the numerical simulation method. The law of crack propagation and strain distribution of building walls in landslide tension areas is revealed, which can provide a basis for the protection design of masonry buildings in landslide tension areas.
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