Abstract
In recent years, many Chinese cities have begun to develop over-track buildings above metro stations for business and residence. The frequently passing trains can induce excessive vibrations to over-track buildings and adversely affect the living quality of the staff. Considering the current need of reliable experimental data for the optimization of the superstructures over metro stations, in-situ measurements of vibrations at different floors inside an over-track building were conducted at Wuxi, China. The time-domain, frequency-domain, amplitude and vibration level of accelerations are quantified and compared. It is found that the vertical accelerations are significantly greater than the horizontal accelerations. The dominant frequencies of vibrations transmitting to the over-track buildings are mainly concentrated between 20 and 60 Hz. The results can also be used for the validation of numerical prediction models for metro-induced building vibrations.
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Acknowledgement
This research was supported by Wuxi Metro Group Company Ltd. The authors would like to thank Jian-Ping Li, Hong-Yu Gao, Zhang-Long Chen, Ming-Qing Peng, Yong Zhao and Yi-Cheng Li for their assistance in the in-situ measurement.
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Feng, SJ., Dong, GW., Zhang, XL. (2018). In-situ Measurement of Metro-Induced Building Vibrations over a Metro Station. In: Qiu, T., Tiwari, B., Zhang, Z. (eds) Proceedings of GeoShanghai 2018 International Conference: Advances in Soil Dynamics and Foundation Engineering. GSIC 2018. Springer, Singapore. https://doi.org/10.1007/978-981-13-0131-5_13
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DOI: https://doi.org/10.1007/978-981-13-0131-5_13
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