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Numerical Simulation and Parameter Analysis of Building Vibration Caused by Ground Line of Rail Transit

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Abstract:

Having the entrance/exit depot line of Guogongzhuang metro depot of Beijing metro line 9 as the background, ballasted track-soil model is established and simulated. The accuracy of the model is proved comparatively high. Taking the nearby building as the research object, effects of structure characteristics modification of the building on slab vibration are discussed. The results suggest that: The trend of the vibration levels of slabs changing with the floors is the same as that of the benchmark example after changing the structure characteristics of the building. As the dimension of columns increases and the performance of the concrete is better, the vibration levels of the building decrease obviously. As the thickness of slabs increases, the effect is much more complicated. The vibration level of each slab increases from basement 2 to the 14th floor by 0.02 to 8.4dB. The vibration level of each slab decreases from the 15th floor to the top floor, and the vibration levels are 0.8 to 9.9dB lower than that of the benchmark example.

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Info:

Periodical:

Applied Mechanics and Materials (Volumes 353-356)

Pages:

3658-3663

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.353-356.3658

Citation:

Cite this paper

Online since:

August 2013

Authors:

Jing Zhang, Bin Zhang, Xian Hui Li

Keywords:

Building, Ground Line, Numerical Analysis, Rail Transit, Vibration

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