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MECHANICAL BEHAVIOR OF MULTIPLE BLENDED BINDERS MODIFIED CONCRETE UTILIZING LOCAL WASTE PRODUCT

ABDUL GHANI, ABDUL HALIM (2012) MECHANICAL BEHAVIOR OF MULTIPLE BLENDED BINDERS MODIFIED CONCRETE UTILIZING LOCAL WASTE PRODUCT. PhD thesis, UNIVERSITI TEKNOLOGI PETRONAS.

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Abstract

Waste materials and by-products are undesirable material for the environment and these materials are eventually disposed of in landfills that are becoming scarce and expensive at the same time, leading to a waste disposal crisis. Several studies have been reported on the use of waste such as rice husk ash (RHA), silica fume (SF), PFA and microwave incinerator rice husk ash (MIRHA) as cement replacement material to produce durable concrete. The effect of the cement replacement material (CRM), when the SF, PFA and MIRHA combined together, the concrete quality have never been studied before. The multiple blended binders mix propoportions was design to be achieve certain category of concrete with respect to the strength, surface hardness, durability and cost are always important for concrete construction so that an appropriate mix is adopted for a given type of work. Selected waste products namely MIRHA, SF and PFA were used to replace ordinary Portland cement (OPC) from 0 to 28%. Several tests used conducted to monitor performance of these binders not only acting individually but also acting in combination. The performance of the concrete with the various combination of binders was determined by slump value, ultrasonic (UPV), surface hardness, tensile strength, gas permeability and compressive strength test and the test results showed that MIRHA concrete containing multiple blended binders can perform better than OPC, SF and PFA control mix. 8% silica fume, 10% pulverized fuel ash and 5%, 7.5% & 10% microwave incinerator rice husk ash (MIRHA) were adopted as cement replacement material for sixteen (16) trial mixes. Multiple blended binders concrete using waste product can still maintain the workability by utilising Sp. Even this waste material can cause a reduction in height of slump. Based on the results obtained the compressive strength reached 70MPa which is the target strength for this research and it could be concluded that multiple blended binders could produce high-strength concrete. The multiple blinded binders concrete can be used as cement hardener or a part of structure repair material. The multiple blinded binders concrete also contributes to green building and sustainability environmental. Therefore, the multiple blinded binders concrete will increase durability properties. Indirectly, the multiple blinded binders concrete will also make a pro-long life span of the concrete. A computer program was developed to identify the volume mix design with multiple blended binders for various grades and durability. Used this computer program also can be provided information in order to find out how much binders were needed to achieve a required strength and also to determine the actual price of the concrete.

Item Type: Thesis (PhD)
Subject: UNSPECIFIED
Divisions: Engineering > Civil
Depositing User: Users 5 not found.
Date Deposited: 05 Jun 2012 08:10
Last Modified: 25 Jan 2017 09:41
URI: http://utpedia.utp.edu.my/id/eprint/2818

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