Analysis of train-induced vibrations and vibration reduction schemes above and below critical Rayleigh speeds by finite element method

Shen Haw Ju, Hung Ta Lin

研究成果: Article同行評審

44 引文 斯高帕斯(Scopus)

摘要

This paper simulates soil vibration under the train speed below and over the soil Rayleigh speed using the three-dimensional finite element method. Two vibration isolation schemes were studied including the soil improvement around the railway and the concrete slab constructed between the rail and soil. Numerical results indicate that the vibration increases considerably and decays slowly when the train speed exceeds the soil Rayleigh speed. The wave direction and dominant frequencies are the simple functions of the train speed, the soil Rayleigh speed and the train compartment length. When the train speed exceeds the shear wave speed, the vibration magnitude is critical and not sensitive to the train speed. To reduce this vibration, the two isolation schemes investigated in this study are useful for the train speed over the soil Rayleigh speed, but they are not efficient for the train speed below the soil Rayleigh speed.

原文English
頁(從 - 到)993-1002
頁數10
期刊Soil Dynamics and Earthquake Engineering
24
發行號12
DOIs
出版狀態Published - 2004 12月

All Science Journal Classification (ASJC) codes

  • 土木與結構工程
  • 岩土工程與工程地質
  • 土壤科學

指紋

深入研究「Analysis of train-induced vibrations and vibration reduction schemes above and below critical Rayleigh speeds by finite element method」主題。共同形成了獨特的指紋。

引用此