›› 2006, Vol. 27 ›› Issue (7): 1204-1208.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Construction monitoring and analysis of double large-diameter annular arched girders support system in double foundation pit excavation

JIANG Xin-liang, SUN Liang-tao, ZONG Jin-hui   

  1. Department of Civil Engineering, Tianjin University, Tianjin 300072, China
  • Received:2004-10-31 Online:2006-07-10 Published:2013-11-19

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Abstract: A new support system is applied to excavation of double foundation pits. In this system, double large-diameter annular arched girders structural system is used. By construction monitoring in Tianjin Cause Bay Plaza, data about internal force of supporting system and horizontal displacement of soil are obtained. This article analyzes these data and also discusses the characteristic of internal force changing in annular arched girders and influence on environment in the course of excavation. By these analyses, the law of horizontal displacement in ambient soil is drawn; and the measures considering the construction factors can be adopted for the annular arched-girder structure design.

Key words: double foundation pit, double annular arched-girder support system, construction monitoring, supporting structure internal force, horizontal displacement of soil

CLC Number: 

  • TU 473
  • 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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