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Structural Engineering and Mechanics Volume 11, Number 5, May 2001 , pages 503-518 DOI: https://doi.org/10.12989/sem.2001.11.5.503 |
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Reduction of train-induced vibrations on adjacent buildings |
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Hsiao-Hui Hung, Jenny Kuo and Yeong-Bin Yang(R.O.C.)
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| Abstract | ||
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In this paper, the procedure for deriving an infinite element that is compatible with the quadrilateral Q8 element is first summarized. Enhanced by a self mesh-expansion procedure for generating the impedance matrices of different frequencies for the region extending to infinity, the infinite element is used to simulate the far field of the soil-structure system. The structure considered here is of the box type and the soils are either homogeneous or resting on a bedrock. Using the finite/infinite element approach, a parametric study is conducted to investigate the effect of open and in-filled trenches in reducing the structural vibration caused by a train passing nearby, which is simulated as a harmonic line load. The key parameters that dominate the performance of wave barriers in reducing the structural vibrations are identified. The results presented herein serve as a useful guideline for the design of open and in-filled trenches concerning wave reduction. | ||
| Key Words | ||
| finite/infinite element method; in-filled trench; infinite element; open trench; traffic-induced vibration; wave barrier. | ||
| Address | ||
| Hsiao-Hui Hung, Jenny Kuo and Yeong-Bin Yang, Department of Civil Engineering, National Taiwan University, Taipei, Taiwan, R.O.C. | ||