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Title: Lime migration studies in marine clays
Authors: Rajasekaran, G. 
Rao, S.N.
Issue Date: May-1996
Citation: Rajasekaran, G., Rao, S.N. (1996-05). Lime migration studies in marine clays. Ocean Engineering 23 (4) : 325-355. ScholarBank@NUS Repository.
Abstract: Weak marine clay deposits are present in several regions of the world and they are imposing severe problems for structures founded in these deposits. The use of lime to improve the properties of these soft deposits is not new. In the present investigation, a test programme was carried out to study the migration of lime into the marine clay from the installed lime columns and lime slurry injected points. The formation of various cementation compounds due to soil-lime reactions were identified by X-ray diffraction studies and the attributed changes occurring in the engineering properties of the soil systems were studied. The test results indicate that a sufficient amount of lime is diffused into the soil systems with time and the presence of excessive sodium ions in sea water does not retard the effective penetration of lime into the soil. It is suggested that both the lime-column and lime-injection techniques can be conveniently used to improve the behaviour of soft marine clayey deposits. For weak marine clays under large depths of water, the lime-injection technique is better suited.
Source Title: Ocean Engineering
ISSN: 00298018
DOI: 10.1016/0029-8018(95)00030-5
Appears in Collections:Staff Publications

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