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3-D Numerical Study of Mechanical Behaviors of Pile-Anchor System


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Title: 3-D Numerical Study of Mechanical Behaviors of Pile-Anchor System
Authors: Liu, Richeng / Xu, Bangshu / Li, Bo / Jiang, Yujing
Issue Date: Jul-2014
Publisher: Trans Tech Publications
Citation: Applied Mechanics and Materials, 580-583, pp.238-242; 2014
Abstract: Mechanical behaviors of pile-soil effect and anchor-soil effect are significantly important in supporting engineering activities of foundation pit. In this paper, finite difference method (FDM) was utilized to perform the numerical simulation of pile-anchor system, composed of supporting piles and pre-stressed anchor cables. Numerical simulations were on the basis of the foundation pit of Jinan's West Railway Station, and 3D simulation analysis of foundation pit has been prepared during the whole processes of excavation, supporting and construction. The paper also analyzed the changes of bending moments of piles and axial forces of cables, and discussed mechanical behaviors of pile-anchor system, through comparisons with field monitoring. The results show that the parameters concluding vertical gridding's number, cohesion of pile and soil, and pile stiffness have robust influences on supporting elements' behaviors. Mechanical behaviors of supporting pile and axial forces of anchor cable changed dramatically, indicating that the potential failure form was converted from toppling failure to sliding failure.
Description: 4th International Conference on Civil Engineering, Architecture and Building Materials, CEABM 2014; Haikou; China; 24 May 2014 through 25 May 2014
Keywords: Numerical simulation / Pile-anchor system / Sensitivity analysis
URI: http://hdl.handle.net/10069/34777
DOI: 10.4028/www.scientific.net/AMM.580-583.238
Rights: © (2014) Trans Tech Publications, Switzerland.
Type: Conference Paper
Text Version: author
Appears in Collections:Conference Paper

Citable URI : http://hdl.handle.net/10069/34777

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