NDLI: Effect of Non-Traditional Additives on Engineering and Microstructural Characteristics of Laterite Soil

Content Provider	Springer Nature Link
Author	Marto, Aminaton Latifi, Nima Eisazadeh, Amin
Copyright Year	2014
Abstract	The stabilization of soils with additives is a chemical method that can be used to improve soils with lowengineering properties. The stabilizing mechanisms of TX-85 and SH-85 additives are not fully understood, and their proprietary chemical composition makes it very difficult to evaluate the stabilizing mechanisms and predict their performance. The objective of this study was to investigate the macro- and microstructural properties related to tropical laterite soil mixed with the specified non-traditional soil additives. The tests carried out, i.e., compaction and unconfined compression strength, were used to assess the engineering and shear properties of the stabilized laterite soil, and the physicochemical changes were monitored via field-emission scanning electron microscopy (FESEM) and thermal gravity analysis. Based on the results, it was found that both additives can decrease the dry density and increase the laterite soil strength approximately fourfold in comparison with the natural soil. FESEM results showed that the porosity of untreated soil was filled by the new cementitious products. Also, it was found that the treatment of laterite had a marginal impact on the thermal characteristics of the soil.
Starting Page	6949
Ending Page	6958
Page Count	10
File Format	PDF
ISSN	13198025
Journal	Arabian Journal for Science and Engineering
Volume Number	39
Issue Number	10
e-ISSN	21914281
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2014-07-14
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Laterite soil Non-traditional additive Compaction TGA UCS FESEM Engineering Science
Content Type	Text
Resource Type	Article

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