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Effects of Mix Composition on Microwave Incinerated Rice Husk Ash (MIRHA) Mortar

Alias, Mohd Nasuha (2011) Effects of Mix Composition on Microwave Incinerated Rice Husk Ash (MIRHA) Mortar. Universiti Teknologi PETRONAS. (Unpublished)

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There are many cement replacement materials (CRM) have been commercialized in the industry. Microwave Incinerated Rice Husk Ash (MIRRA) is a new material that can be used as CRM in the industry. The used of MIRRA in concrete has been extremely studied in Universiti Teknologi PETRONAS (UTP). The study on use of MIRRA in mortar has not been studied. The objectives of this project were to obtain optimum water cement ratio for MIRRA mortar mix, to obtain the suitable mix composition and to obtain the optimum cement replacement by MIRRA in MIRRA mortar. Various water cement ratios (0.60 and 0.65), binder aggregate ratios (1 :3 and 1 :4) and different percentages of cement replacement by MIRRA (0%, 5%, 10%, 15%, 20%, 25% and 30%) were used to cast mortar cubes. The sample preparation follows BS 1881 and compressive strength (7, 28 and 60 days after curing), water absorption (60 days after curing) and initial rate of suction (IRS) (60 days after curing) values were determined. The highest result for 28-day compressive strength test for all samples is 46.17MPa from sample 5M360 which contains 5% of cement replacement by MIRRA, binder to sand ratio of 1:3 and water cement ratio of 0.60. Whereas for IRS test, almost all IRS values of all samples fall between accepted range within between 0.25 to 1.5 k:g/m.2.min. For water absorption, almost all samples were under maximum water absorption value for bricks which is 18% water absorption.

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: 12 Nov 2013 08:55
Last Modified: 25 Jan 2017 09:41
URI: http://utpedia.utp.edu.my/id/eprint/10442

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