Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/14386
Title: Compressibility and undrained behaviour of natural Singapore marine clay: Effect of soil structure
Authors: LOW HAN ENG
Keywords: Singapore marine clay, soil structure, intrinsic properties, strength and stress sensitivity, compressibility, undrained behaviour, overconsolidation
Issue Date: 14-Dec-2004
Source: LOW HAN ENG (2004-12-14). Compressibility and undrained behaviour of natural Singapore marine clay: Effect of soil structure. ScholarBank@NUS Repository.
Abstract: It is well-recognised that most of the natural soils are structured. Soil structure has significant influence on the mechanical properties of natural soils such as yielding characteristic, stiffness, strength and compressibility. However, at present, no systematic study has been carried out to assess the extent of soil structure and the significance of its effect on the mechanical properties of natural Singapore marine clay. In this study, the extent of soil structure in natural Singapore marine clay is evaluated using Leroueil et al (1983)a??s and Burland (1990)a??s intrinsic framework, which would be shown captures the behaviour of remoulded and reconstituted Singapore marine clay adequately. By comparing the compressibility and undrained behaviour between undisturbed and reconstituted soil samples, the effect of soil structure on the mechanical behaviour of natural Singapore marine clay is assessed. Besides, the effect of progressive destructuration on compressibility of natural Singapore marine clay is also studied and a method for the first order estimation of non-linear virgin compression curve is proposed. This study also attempts to explore the possible causes of overconsolidation of Singapore marine clay through in-situ and laboratory tests. From this study, it is found that soil structure has significant effect on the mechanical behaviour of natural Singapore marine clay.
URI: http://scholarbank.nus.edu.sg/handle/10635/14386
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