Paper Title:
Filed Test Studies on Internal Force of Pile in Pile-Anchor Supporting System for Deep Foundation Pit
  Abstract

Through the field test on the laboratory building foundation pit engineering of Northeastern University at Qinhuangdao, the distribution and variation rule of steel stress and pile moment is researched and analyzed in the process of the deep foundation pit excavation. The result shows that foundation pit excavation and applied prestressed anchor are the main factors of pile internal force change, furthermore, the latter is more effective than the former. Meanwhile, the influence of top beam to steel stress and moment of pile head can not be ignored especially. The zero position of steel stress and pile moment are basically same, which lies under foundation pit bottom. The use of limit equilibrium method more economical than elastic subgrade method in design over foundation pit bottom, however, which is opposite under it.

  Info
Periodical
Advanced Materials Research (Volumes 383-390)
Chapter
Chapter 30: Automation, Mechatronics and Robotics
Edited by
Wu Fan
Pages
7713-7717
DOI
10.4028/www.scientific.net/AMR.383-390.7713
Citation
C. F. Wu, C. H. Li, "Filed Test Studies on Internal Force of Pile in Pile-Anchor Supporting System for Deep Foundation Pit", Advanced Materials Research, Vols. 383-390, pp. 7713-7717, 2012
Online since
November 2011
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Price
$32.00
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