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Assessment of the Behaviour of Soil Structure in Double-Porosity Kaolin Media Using Light Transmission Visualization (LTV) Method

Alazaiza, M. Y. D. and Ngien, S. K. and Bob, Mustafa M. and Samira, A. Kamaruddin and Wan Faizal, Wan Ishak (2017) Assessment of the Behaviour of Soil Structure in Double-Porosity Kaolin Media Using Light Transmission Visualization (LTV) Method. International Journal of Geotechnical Engineering, 11 (3). pp. 316-320. ISSN 1938-6362 (Print) 1939-7879 (Online)

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Abstract

Double-porosity is a phenomenon that occurs naturally and can be found in many subsurface media such as rock aquifers, agricultural topsoils and compacted soils. These media have different pore size characteristics that result in different hydraulic properties. Two approaches were used to create the doubleporosity soil structure using kaolin clay to be tested in migration of contaminant experiments using light transmission visualization (LTV) method. Aggregated kaolin and sintered clayey spheres mixture were used as the media for the first and second test, respectively. The observation shows that the first approach is not viable for a saturated-porous medium because kaolin particles have disintegrated and turned into emulsion. In contrast, uniform kaolin particles that remain strong and solid have been produced using the second approach. In conclusion, the LTV method is viable to monitor the behaviour of fluids in porous media under different conditions.

Item Type: Article
Uncontrolled Keywords: Clayey spheres, Double-porosity, Light transmission Visualization, Porous media, Soil structure
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Faculty/Division: Faculty of Civil Engineering & Earth Resources
Depositing User: Dr Su Kong Ngien
Date Deposited: 21 Nov 2016 07:25
Last Modified: 09 Aug 2017 03:01
URI: http://umpir.ump.edu.my/id/eprint/15424
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