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Alkaline activation of clayey soil using potassium hydroxide & fly ash

Elkhebu, Ahmed and Zainorabidin, Adnan and Hj. Bakar, Ismail and Huat, Bujang B. K. and Abdeljouad, Lokman and Dheyab, Wisam Khalef (2018) Alkaline activation of clayey soil using potassium hydroxide & fly ash. International Journal of Integrated Engineering:, 10 (9). pp. 99-104.

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Abstract

In this paper the potential of introducing alkali activated fly ash to a clayey soil as stabilizing agent was investigated. As alkaline activator Potassium hydroxide of 12 M was introduced to the soil fly ash mixtures. Unconfined compressive strength tests were carried out. Four different fly ash/solid ratios were proposed to be 10 %, 20 %, 30 % and 40 % at two curing regimes of 7 & 28 days. The highest unconfined compressive strength was of 40 % mixture recorded at 3.68 MPa after 28 days. Alkaline activation of clayey soil using KOH solution as an activator proved to be a feasible alternative for soft soil stabilization.

Item Type: Article
Uncontrolled Keywords: Alkaline activation; potassium hydroxide; fly ash; soft soil improvement.
Subjects: T Technology > T Technology (General)
Divisions: Faculty of Civil and Environmental Engineering > Department of Infrastructure and Geomatic Engineering
Depositing User: Mr Abdul Rahim Mat Radzuan
Date Deposited: 08 Mar 2020 00:54
Last Modified: 08 Mar 2020 00:54
URI: http://eprints.uthm.edu.my/id/eprint/12756
Statistic Details: View Download Statistic

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