Numerical modeling of masonry wall under underground waves

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Abstract

The dynamic behavior of structures has always received considerable attention. The dynamic behavior of structures requires a suitable numerical modeling method to illustrate the behavior of the structure under dynamic loads. In this study, the response of two identical unreinforced masonry walls to the underground blast was examined. The experimental variables were the horizontal distance from the explosion point and the depth in which the explosives were located. After examining the behavior of the masonry walls under high-frequency dynamic loads, different numerical models were applied to simulate the dynamic behavior of these two walls against the underground blast experiments. Thus, several different factors were studied, including the yield criterion, the meso-type and macro-modeling of the masonry wall, and the topography of the site. Finally, due to the degree of accuracy required, it was concluded that each of the methods can be used; however, the most appropriate and accurate modeling method for the unreinforced masonry wall is the frictional-cohesive zone material and modified Mohr-Coulomb model, which provided accurate and precise responses.

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Akhaveissy, A. H., Permanoon, A., & Raeisi, R. (2021). Numerical modeling of masonry wall under underground waves. Scientia Iranica, 28(6 A), 2987–3007. https://doi.org/10.24200/sci.2021.53605.3327

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