Paper Title:
Analysis and Treatment of Diaphragm Wall Intrusion-Clearance of Metro Station in Soft Ground
  Abstract

Based on an engineering example of intrusion-clearance of diaphragm wall, the mechanism and effect factors of intrusion-clearance are discussed by monitoring data and numerical analysis. The research result shows that the deviation of diaphragm wall, bad quality of improved soil and insufficient outward-moving of diaphragm wall cooperatively lead to intrusion-clearance, and the first has a significant effect. Moreover, dewatering of foundation pit also cause deformation of diaphragm wall, which accounts for more than 25% of the deformation during excavation, but usually despised in construction. The improving effect of reinforced soil attributes more to the deformation of diaphragm wall, especially the area closed to diaphragm wall. Some remedies and precautions are also given in this article, which could provide references of design and construction for similar projects.

  Info
Periodical
Advanced Materials Research (Volumes 374-377)
Chapter
Chapter 10: Innovative Structures: Technologies and Applications
Edited by
Hui Li, Yan Feng Liu, Ming Guo, Rui Zhang and Jing Du
Pages
2232-2238
DOI
10.4028/www.scientific.net/AMR.374-377.2232
Citation
P. X. Wang, T. Cui, J. S. Shi, R. P. Dai, "Analysis and Treatment of Diaphragm Wall Intrusion-Clearance of Metro Station in Soft Ground", Advanced Materials Research, Vols. 374-377, pp. 2232-2238, 2012
Online since
October 2011
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Price
$32.00
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Authors: Xiao Qin Wang, Ting Ting Sun
Chapter 1: Structural Engineering and Materials, Civil Engineering
Abstract:The constitutive relations of soil in the super-large deep foundation pit project and the law of interaction between soil and the support...
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