Reduction of high-speed train-induced building vibrations by protective trenches

SUN Wei; WANG Jian-guo; JIANG Shao-fei

doi:10.11883/1001-1455(2009)02-0155-07

Volume 29 Issue 2

Sep. 2014

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Article Navigation > Explosion And Shock Waves > 2009 > 29(2): 155-161

ChuWen-hua, SunLong-quan, YaoXiong-liang, TianZhao-li. ResearchonimpactcharacteristicsofexplosiveboltsusingSPH method[J]. Explosion And Shock Waves, 2013, 33(3): 249-254. doi: 10.11883/1001-1455(2013)03-0249-06

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SUN Wei, WANG Jian-guo, JIANG Shao-fei. Reduction of high-speed train-induced building vibrations by protective trenches[J]. Explosion And Shock Waves, 2009, 29(2): 155-161. doi: 10.11883/1001-1455(2009)02-0155-07

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Reduction of high-speed train-induced building vibrations by protective trenches

doi: 10.11883/1001-1455(2009)02-0155-07

1.
School of Civil Engineering, Shenyang Jian Zhu University, Shenyang 110168, Liaoning, China;
2.
Centre for Protective Technology, National University of Singapore, Singapore 119260, Singapore;
3.
State Key Laboratory of China Southwest Resource Exploitation and Environmental Disaster Control Engineering, Chongqing University, Chongqing 400030, China;
4.
School of Civil Engineering, Fuzhou University, Fuzhou 350002, Fujian, China

Publish Date: 2009-03-25

Abstract

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.
- solid mechanics,
- attenuation effect,
- numerical analysis,
- surface structure,
- Rayleigh wave,
- open trench,
- inundated water trench,
- concrete-filled trench

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