›› 2008, Vol. 29 ›› Issue (8): 2144-2148.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Analysis of bearing and deforming behavior of secant piles of deep foundation pit excavation

HU Qi1, CHEN Yu2, KE Han1, CHEN Ren-peng1, YANG Hao1   

  1. 1. Key Laboratory of Soft Soils and Geoenvironmental Engineering, Institute of Geotechnical Engineering Zhejiang University, Hangzhou 310027, China; 2. Comprehensive Development of Urban Construction Office of Hangzhou Jianggan Distric, Hangzhou 310016, China
  • Received:2006-09-25 Online:2008-08-11 Published:2013-08-02

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Abstract: Linear elastic model is common used to analayze retaining structure of deep foundation pit excavation, which is an approximate treatment in some aspects, such as material compose, material characteristics and so on. There will be some warp in the analysis with this model compared with practical situation. Based on the practical project of Qiutao Road Station excavation of Hangzhou Metro No.1. A nonlinear solid model is established to study the loading mechanism of secant piles. Compared with the measured results, it is shown that this method is vaild and it can be applied to the deep foundation pit design and construction.

Key words: secant piles, three-dimensional model, nonlinearity, crack

CLC Number: 

  • TU 443
  • 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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