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Behavior of High Strength Concrete Containing Rice Husk Ash (RHA)and Superplasticizer

Sobri, Mohd Zulhairi (2008) Behavior of High Strength Concrete Containing Rice Husk Ash (RHA)and Superplasticizer. Universiti Teknologi Petronas. (Unpublished)

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Abstract

Rice-husk is a waste product that cause pollution and disposal problem. Rice-husk ash however has been acknowledged as a natural pozzolan that can contribute in concrete industry with its high silica contain and easily obtained with very low cost. This paper presents the results of an experimental investigation regarding the effect of microwave incinerated rice-husk ash (MIRRA) into the mix of high strength concrete, in which the source of ricehusk is from BERNAS rice paddy milling industry in Malaysia. Five trial mix proportion containing MIRHA were design and cast into cubes, cylinders and slabs in the laboratory and the strength development of the hardened concrete investigated. From the observation, MIRRA accelerate the hydration process and provide the cube with high compressive strength capability at early age (i.e 3 day). This is due to high silica contain in the MIRRA which is proved by the XRD test at SIRIM facilities. The investigation showed that it is possible to cast concrete with strength above 70MPa by using locally available rice-husk. It can be concluded that MIRRA provides high compressive strength at early age and the contribution of MIRRA is similar to silica fume.

Item Type: Final Year Project
Academic Subject : Academic Department - Civil Engineering - Structures, materials and construction
Subject: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Engineering > Civil
Depositing User: Users 2053 not found.
Date Deposited: 30 Sep 2013 16:07
Last Modified: 25 Jan 2017 09:45
URI: http://utpedia.utp.edu.my/id/eprint/7111

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