Please use this identifier to cite or link to this item: https://doi.org/10.1139/cgj-2013-0215
Title: Enhanced analysis of pile flexural behavior due to installation of adjacent pile
Authors: Tho, Kee Kiat 
Chen, Zongrui 
Leung, Chun Fai 
Chow, Yean Khow 
Keywords: Science & Technology
Technology
Physical Sciences
Engineering, Geological
Geosciences, Multidisciplinary
Engineering
Geology
pile flexural behavior
lateral soil movement
pile installation
Eulerian finite element method
NUMERICAL-SIMULATION
CLAY
CAVITY
Issue Date: 1-Jun-2014
Publisher: CANADIAN SCIENCE PUBLISHING, NRC RESEARCH PRESS
Citation: Tho, Kee Kiat, Chen, Zongrui, Leung, Chun Fai, Chow, Yean Khow (2014-06-01). Enhanced analysis of pile flexural behavior due to installation of adjacent pile. CANADIAN GEOTECHNICAL JOURNAL 51 (6) : 705-711. ScholarBank@NUS Repository. https://doi.org/10.1139/cgj-2013-0215
Abstract: The installation of piles causes lateral soil movements which will induce additional lateral loading on adjacent existing piles. A simplified two-stage approach is conventionally adopted to quantify the installation effect on an adjacent pile. The first stage involves estimating the free-field lateral soil movement profile due to the pile installation process, and this is then applied as input to a pile-soil interaction analysis in the second stage. Such an approach is computationally efficient, but its efficacy has not been rigorously assessed due to the lack of reliable rigorous reference solutions. In this study, the Eulerian finite element approach is applied to obtain rigorous reference solutions for the response of an existing pile due to the installation of an adjacent pile. The efficacy of the two-stage approach is then evaluated against these reference solutions. It is found that the bending moment profiles generated using the simplified two-stage approach deviate significantly from the reference solutions. The shortcomings of the existing two-stage approach are identified, and an improved analysis method denoted as the Enhanced Multi-Stage Approach is proposed and validated in this paper. The results based on the Enhanced Multi-Stage Approach are found to be in good agreement with the more rigorous reference solutions.
Source Title: CANADIAN GEOTECHNICAL JOURNAL
URI: https://scholarbank.nus.edu.sg/handle/10635/210958
ISSN: 00083674
12086010
DOI: 10.1139/cgj-2013-0215
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