Otaghsaraei, Amin Eisazadeh and Kassim, Khairul Anuar and Nur, Hadi (2011) Cation exchange capacity of a quartz-rich soil in an acidic and basic environment. In: Advanced Materials Research. Trans Tech Publications, Switzerland, 2766 -2770. ISBN 978-303785139-5
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Official URL: http://dx.doi.org/10.4028/www.scientific.net/AMR.2...
In this research, the time-dependent changes induced in charge characteristics of phosphoric acid and lime treated quartz-rich kaolinitic soil were investigated. Also, in order to study the relationship between the exchange capacity and the pore water chemistry, pH measurements was performed on cured samples. Based on the collected data, it was found that the pH of stabilized soils showed a tendency for reaching soil's natural pH with increasing curing time. In addition, the increase in number of broken bonds around the edges of soil particles and also the formation of cementitious compounds that acquired negative charges contributed to achieving higher CECp values at longer curing periods. From engineering point of view, the lime treated samples revealed the highest degree of improvement with an approximately 16-fold strength increase in comparison to the natural soil over an 8 months curing period.
|Item Type:||Book Section|
|Uncontrolled Keywords:||cation exchange capacity, lime, pH, phosphoric acid, quartz-rich soil, stabilization|
|Subjects:||T Technology > TA Engineering (General). Civil engineering (General)|
|Deposited By:||Liza Porijo|
|Deposited On:||04 Dec 2012 01:35|
|Last Modified:||04 Feb 2017 08:40|
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