Abstract
Environmental vibration problem induced by urban rail transit is becoming increasingly prominent, and path vibration isolation is one of the measures to reduce metro vibration and noise. This paper analyzed the applicability of the periodic vibration isolation barrier to vibration and noise reduction of the metro. Band gap frequency of periodic isolation barrier was calculated by transfer matrix method so as to get the variation law of band gap frequency under different parameter combinations. Characteristic frequency of nearby soil vibration caused by underground line vibration source of the metro was obtained by field test. Corresponding band gap barrier parameter combinations were designed according to the characteristic frequency. Calculation results show that the periodic vibration isolation barrier can be applied to vibration and noise reduction of urban rail transit.
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© 2020 Springer Nature Singapore Pte Ltd.
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Zhang, S., Wang, W., Li, Y., Wu, Z., Ma, X. (2020). Research on Band Gap Characteristics of Periodic Isolation Barrier for Metro. In: Tutumluer, E., Chen, X., Xiao, Y. (eds) Advances in Environmental Vibration and Transportation Geodynamics. Lecture Notes in Civil Engineering, vol 66. Springer, Singapore. https://doi.org/10.1007/978-981-15-2349-6_44
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DOI: https://doi.org/10.1007/978-981-15-2349-6_44
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