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CLC number: TU433

On-line Access: 2007-11-10

Received: 2006-08-21

Revision Accepted: 2006-11-27

Crosschecked: 0000-00-00

Cited: 5

Clicked: 3419

Citations:  Bibtex RefMan EndNote GB/T7714

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Journal of Zhejiang University SCIENCE A 2008 Vol.9 No.1 P.50~57

10.1631/jzus.A061434


Environmental effects induced by excavation


Author(s):  Yu-qi LI, Jian ZHOU, Kang-he XIE

Affiliation(s):  Department of Civil Engineering, Shanghai University, Shanghai 200072, China; more

Corresponding email(s):   liyuqi2000@hotmail.com, liyuqi2000@shu.edu.cn

Key Words:  Environmental effect, Excavation, Deformation, Excess porewater pressure


Yu-qi LI, Jian ZHOU, Kang-he XIE. Environmental effects induced by excavation[J]. Journal of Zhejiang University Science A, 2008, 9(1): 50~57.

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author="Yu-qi LI, Jian ZHOU, Kang-he XIE",
journal="Journal of Zhejiang University Science A",
volume="9",
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pages="50~57",
year="2008",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A061434"
}

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%T Environmental effects induced by excavation
%A Yu-qi LI
%A Jian ZHOU
%A Kang-he XIE
%J Journal of Zhejiang University SCIENCE A
%V 9
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%@ 1673-565X
%D 2008
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A061434

TY - JOUR
T1 - Environmental effects induced by excavation
A1 - Yu-qi LI
A1 - Jian ZHOU
A1 - Kang-he XIE
J0 - Journal of Zhejiang University Science A
VL - 9
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SP - 50
EP - 57
%@ 1673-565X
Y1 - 2008
PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.A061434


Abstract: 
Based on 3D Biot’s consolidation theory and nonlinear Duncan-Chang’s model, a 3D FEM (finite element method) program is developed considering the coupling of groundwater seepage and soil skeleton deformation during excavation. The comparison between the analysis result considering the variation of water head difference and that without considering it shows that the porewater pressure distribution of the former is distinctly different from that of the latter and that the foundation pit deformations of the former are larger than those of the latter, so that the result without considering the variation of water head difference is unreliable. The distribution rules of soil horizontal and vertical displacements around the pit and excess porewater pressure are analyzed in detail in time and space, which is very significant for guiding underground engineering construction and ensuring environment safety around the pit.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

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[9] Xie, K.H., Liu, C.M., Ying, H.W., Yang, W., 2002. Analysis of settlement induced by dewatering during excavation in layered soil. Journal of Zhejiang University (Engineering Science), 36(3):239-242 (in Chinese).

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