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Structural Engineering and Mechanics   Volume 11, Number 5, May 2001, pages 503-518
Reduction of train-induced vibrations on adjacent buildings
Hsiao-Hui Hung, Jenny Kuo and Yeong-Bin Yang(R.O.C.)

Abstract     [Buy Article]
    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.
Hsiao-Hui Hung, Jenny Kuo and Yeong-Bin Yang, Department of Civil Engineering, National Taiwan University, Taipei, Taiwan, R.O.C.

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