Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/13904
Title: Bearing capacity of clay bed improved by sand compaction piles under caisson loading
Authors: JONATHAN A/L DARAMALINGGAM
Keywords: sand compaction piles, clay, undrained shear strength, bearing capacity, caisson, setup stresses
Issue Date: 23-Apr-2004
Source: JONATHAN A/L DARAMALINGGAM (2004-04-23). Bearing capacity of clay bed improved by sand compaction piles under caisson loading. ScholarBank@NUS Repository.
Abstract: In the present centrifuge study, model Sand Compaction Piles (SCPs) were installed in-flight in a clay bed. The improved ground was loaded to failure by in-filling a model Perspex caisson in-flight. A method of estimating the increase undrained shear strength (cu) due to the SCP installation process was proposed. The conventional bearing capacity analysis and the proposed modified analysis using the increased cu were compared with the centrifuge test results. It was found that the modified analyses yielded a higher calculated safety factor. The implications are that some savings in terms of sand can be achieved if design is performed utilizing the increased cu.
URI: http://scholarbank.nus.edu.sg/handle/10635/13904
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