Please use this identifier to cite or link to this item: https://doi.org/10.1680/jphmg.18.00045
Title: Axial response of short pile due to tunnelling-induced soil movement in soft clay
Authors: Wang, Hongyu
Leung, Chun Fai 
Yu, Jian 
Huang, Maosong
Keywords: Science & Technology
Technology
Engineering, Geological
Engineering
centrifuge modelling
numerical modelling
piles & piling
FINITE-ELEMENT-ANALYSIS
CENTRIFUGE
DISPLACEMENT
DRIVEN
MODEL
Issue Date: 1-Mar-2020
Publisher: ICE PUBLISHING
Citation: Wang, Hongyu, Leung, Chun Fai, Yu, Jian, Huang, Maosong (2020-03-01). Axial response of short pile due to tunnelling-induced soil movement in soft clay. INTERNATIONAL JOURNAL OF PHYSICAL MODELLING IN GEOTECHNICS 20 (2) : 71-82. ScholarBank@NUS Repository. https://doi.org/10.1680/jphmg.18.00045
Abstract: Soil movements due to tunnelling work may induce severe stresses on the foundations supporting nearby structures. The situation is particularly severe for the cases of short piles supporting low-rise or old buildings with the pile toes located above the tunnel excavation elevation. In this study, centrifuge model tests were conducted to investigate the axial response of a single short pile located at various offset distances from the tunnel centreline with different ground volume losses in soft clay under undrained conditions. The test results reveal that the load-transfer pattern along the pile shaft changes with the pile offset distance away from the tunnel centreline. Three-dimensional finiteelement analyses were then conducted to evaluate the effect of pile-soil relative stiffness on the performance of adjacent piles due to tunnelling. Finally, a method is proposed to provide a preliminary estimation of the maximuminduced axial force on short piles subject to tunnelling-induced soil movement.
Source Title: INTERNATIONAL JOURNAL OF PHYSICAL MODELLING IN GEOTECHNICS
URI: https://scholarbank.nus.edu.sg/handle/10635/210479
ISSN: 1346213X
20426550
DOI: 10.1680/jphmg.18.00045
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