Please use this identifier to cite or link to this item: https://doi.org/10.1061/(ASCE)1090-0241(2009)135:4(573)
Title: Structuration and destructuration behavior of cement-treated Singapore marine clay
Authors: Kamruzzaman, A.H.M.
Chew, S.H. 
Lee, F.H. 
Keywords: Cements
Clays
Fabrics
Microstructure
Singapore
Issue Date: 2009
Citation: Kamruzzaman, A.H.M., Chew, S.H., Lee, F.H. (2009). Structuration and destructuration behavior of cement-treated Singapore marine clay. Journal of Geotechnical and Geoenvironmental Engineering 135 (4) : 573-589. ScholarBank@NUS Repository. https://doi.org/10.1061/(ASCE)1090-0241(2009)135:4(573)
Abstract: This paper examines the structuration and destructuration characteristics of cement-treated Singapore marine clay and their relation to the observed microstructural behavior. The pozzolanic reaction is found to be very significant up to curing periods of 1year, and thus the unconfined compressive strength increases notably leading to the formation of more structured treated clay. Due to the effect of structuration (existing of cementation bond), the yield stress increases resulting in an expansion of the yield surface and failure envelope under compression and shearing. The microstructural observation of treated clay structure at various stress levels from one-dimensional consolidation shows that destructuration (breaking of cementation bond) is progressive; the largest intercluster voids being the first affected. As the consolidation proceeds, both inter and intracluster voids are affected. Consolidated undrained triaxial results reveal that complete destructuration only takes place on the shear plane at which the clay-cement cluster crushes. © 2009 ASCE.
Source Title: Journal of Geotechnical and Geoenvironmental Engineering
URI: http://scholarbank.nus.edu.sg/handle/10635/66251
ISSN: 10900241
DOI: 10.1061/(ASCE)1090-0241(2009)135:4(573)
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