›› 2008, Vol. 29 ›› Issue (11): 2990-2996.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Long-term settlements of soft soil ground induced by train traffic loadings

BIAN Xue-cheng, ZENG Er-xian, CHEN Yun-min   

  1. Key Laboratory of Soft Soils and Geoenvironmental Engineering of Education Ministry, Zhejiang University, Hangzhou 310027, China
  • Received:2006-06-25 Online:2008-11-10 Published:2013-08-07

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Abstract: A dynamic coupling model of track structure and underlying ground under moving load action is developed by employing the 2.5 dimensional finite element method together with thin layer element method. First, the distribution of dynamic stress in ground due to train traffic loadings at different speeds is computed; then, incorporating Li and Selig’s Method (1996), a computation procedure to evaluate long-term settlement of subgrade ground is proposed. The Swedish high-speed railway X-2 000 running on soft ground in the West Coast is introduced as an illustrative case study to demonstrate the development of long-term settlements with time and its distribution inside ground. Also a parametric study is conducted to consider to influence of train’s running speed on long-term settlement in soft soil ground.

Key words: high-speed railway, ground subgrade, dynamic residual settlement, traffic loading, dynamic deviator stress

CLC Number: 

  • U 416
  • Please send e-mail to pingzhou3@126.com if you would like to read full paper in English for free. Parts of our published papers have English translations.
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