Numerical Simulation for the Dynamic Response of Step Topography Subjected to Blasting Load-Reference-Cited by-同舟云学术

Numerical Simulation for the Dynamic Response of Step Topography Subjected to Blasting Load

Published:2023 Issue: Volume: Page:179-186
ISSN:2366-2557
Container-title:Lecture Notes in Civil Engineering
language:
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Author:

Yang Lixiang,Han Yaobin,Zhang Xu,Li Zhiwen

Abstract

AbstractThe vibration velocity and frequency of rock mass are closely related to the instability and failure of the building. The step topography has great influence on blasting vibration wave propagation. Therefore, it is of great significance to study the dynamic response of step topography subjected to blasting load. In this paper, the FLAC2D program is used to study the dynamic response of step topography subjected to blasting load. The plane strain mode is adopted in the calculation, and the blasting load is assumed to be a triangular pulse wave which is applied to one side of the calculating mode. The amplification effect of the height of the step is first studied. The calculation result shows that the amplification factor increases first and then decreases with the increase of the step height. The maximum value of the amplification factor is consistent with the results of the field test, which indicates the feasibility of the numerical simulation.

Publisher

Springer Nature Singapore

Link

https://link.springer.com/content/pdf/10.1007/978-981-99-2532-2_15

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