轨道参数对地铁列车地面动力响应的影响

Environmental Vibrations: Prediction, Monitoring, Mitigation and Evaluation (ISEV 2005) Pub Date : 2021-06-23 DOI:10.1201/9781003209379-49

Y.Q. Zhang, W. Chen, W.N. Liu

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引用次数: 0

摘要

随着地铁的发展，地铁列车产生的振动和噪声问题越来越受到人们的重视。本文尝试用一种算法来研究振动的传递规律。首先，选取地下移动荷载作用下的空间作为地铁模型。点ξ的动态响应表示为周期解析解。其次，结合数值计算，给出了地表某点ξ的动力响应。最后，从时域和频域计算分析了地铁轨道参数对地面动力响应的影响。

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Effect of track parameters to the ground dynamic response due to metro train

With the development of metro, the vibration and noise induced by metro trains have been paid more and more attention. In this paper, an algorithm is tried to study the transmission rule of the vibration. Firstly, a space due to underground moving loads is adopted as the model of the metro. The dynamic response of a point ξ is expressed as the periodic analyze solution. Secondly, combined with numerical computation, the dynamic response of a point ξ in the ground surface is given. Finally, the effect of sub-rail parameters to the dynamic response of ground due to metro train are calculated and analyzed in time domain and frequency domain.

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Environmental Vibrations: Prediction, Monitoring, Mitigation and Evaluation (ISEV 2005)

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