›› 2011, Vol. 32 ›› Issue (S1): 538-0544.

• Geotechnical Engineering • Previous Articles     Next Articles

Ground settlement caused by subway construction in Xi’an and its influence on the city wall

ZHU Cai-hui, LI Ning   

  1. Institute of Geotechnical Engineering, Xi'an University of Technology, Xi'an 710048, China
  • Received:2010-11-18 Online:2011-05-15 Published:2011-05-16

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Abstract: Based on Xi'an Subway Line 2, the settlement trough shape parameters are obtained by using three prediction formula to fit the measured surface settlement values. The fitting parameters and the " stiffness modification method " principle were carried out to forecast on the city wall foundation settlement induced by building subway under the city wall, meanwhile the three-dimensional finite element model of the city wall was established to do quantitative analysis of the ultimate deformation and bearing capacity. The results show that the Peck expressions can describe the character of the ground settlement well .And the ultimate settlement capacity induced of the city wall foundation shall not exceed 20 mm when considering creep and consolidation effect of the loess .This study is expected to provide a scientific reference to the ground settlement caused by underground construction and the response of buildings.

Key words: ground settlement, response of city wall, stiffness modification method, Xi'an subway construction

CLC Number: 

  • U 215
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