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|Title:||Reduction of high-speed train-induced building vibrations by protective trenches|
|Authors:||Sun, W. |
Inundated water trench
|Source:||Sun, W.,Wang, J.-G.,Jiang, S.-F. (2009-03). Reduction of high-speed train-induced building vibrations by protective trenches. Baozha Yu Chongji/Explosion and Shock Waves 29 (2) : 155-161. ScholarBank@NUS Repository.|
|Abstract:||Numerical analyses for structure-soil interaction were carried out to investigate the attenuation effect of open, inundated water and concrete-filled trenches on high-speed train loading-induced Rayleigh wave propagation. The acceleration and effective stress at some key points of a six-storey surface structure were comparatively studied with commercial software LS-DYNA for the protection of open trenches, inundated water trenches, concrete-filled trenches and no protection. Numerical results reveal that open trenches even inundated with water can effectively reduce peak acceleration and effective stress. However, concrete-filled trenches are not effective in the attenuations of peak acceleration and effective stress. Therefore, an open trench is still a good choice as a temporary protection barrier, though it is susceptible to collapse without effective support.|
|Source Title:||Baozha Yu Chongji/Explosion and Shock Waves|
|Appears in Collections:||Staff Publications|
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