Mustaqqim Abdul Rahim
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Preferred name
Mustaqqim Abdul Rahim
Official Name
Mustaqqim, Abdul Rahim
Alternative Name
Abdul Rahim, Mustaqqim
Abdul Rahim, M.
Rahim, Mustaqim Abdul
Rahim, M. Abdul
Mustaqqim, Abdul Rahim
Rahim, Mustaqqim Abdul
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Scopus Author ID
56353069700
Researcher ID
IRA-4259-2023

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A study on the potential of geopolymer artificial aggregate as substitute for granite and limestone aggregate

2020-06-10 , Mohd Badrul Hisyam Ab Manaf , Abdul Razak R. , Muhamad K. , Mustaqqim Abdul Rahim , Ahmad M.M. , Hao T.P.

The aim of this research is to determine the potential of geopolymer artificial aggregate as substitute for granite and limestone aggregates. Several aggregate property test such as aggregate impact test, aggregate crushing test, specific gravity test, water absorption test and the Los Angeles Abrasion test are done on the aggregates. The fly ash-based geopolymer artificial aggregate is produced through geopolymerisation by mixing fly ash with alkaline solution. The results show that the fly ash-based geopolymer artificial aggregate is lighter than natural aggregate in term of its specific gravity. The impact value and crushing value for fly ash-based geopolymer artificial aggregate are slightly higher compared to natural aggregate while the water absorption value is much higher compared to natural aggregate. Furthermore, the fly ash-based geopolymer artificial aggregate has higher value in the Los Angeles Abrasion. Overall, the fly ash-based geopolymer artificial aggregate can be considered as one of the construction materials in the roadwork pavement and in concrete as an alternative for coarse aggregate besides natural aggregate with more lightweight properties.

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Performance of Sugar Cane Baggage Ash (SCBA) as Partially Replacement of Cement in Concrete

2023-10-04 , Mustaqqim Abdul Rahim , Cheah S.W. , Ayob A. , Nor Faizah Bawadi , Norlia Mohamad Ibrahim , Shamilah Anudai @ Anuar , Nur Liza Rahim , Umar Kassim

Sugar cane is main food crop in tropical and subtropical countries. It is the main resource for the sugar production. Sugar cane bagasse (SCB) is a waste that produced after the juice extraction of sugarcane while sugar cane bagasse ash (SCBA) produced after the control burning of SCB. The use of waste products as partial replacement for the material in concrete can help to reduce the environmental and economic problem. Since the cost of construction materials such as cement is increasing spirally and agricultural waste such as SCBA can be obtained at low cost, it has a good potential to use in concrete as cement replacement. In this study, the workability, density, and compressive strength of the concrete been chosen to compare with the green concrete. Three different types concrete cube have been casted in this study, na1111mely; 0, 5%, 7.5%, 10% of SCBA to replace for cement. The size of the cube samples to be casted is 100 x 100 x 100 mm and cured for 7 and 28 days. The study show that the optimum percentage for SCBA concrete is 5%, it give the highest compressive strength value compare to other percentage at 28 days.

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Preservation of natural resources by utilizing combustion ash in concrete and determination of its engineering properties

2023-01-01 , Norlia Mohamad Ibrahim , Nur Liza Rahim , Syakirah Afiza Mohammed , Roshazita Che Amat , Mustaqqim Abdul Rahim , Zailani W.W.A. , Laslo L. , Muhamad N.

Due to the large amount of combustion ash being thrown into landfills, which can lead to environmental pollution, new alternatives to construction materials can be developed by utilising this combustion ash as a part of the main raw materials, while at the same time helping to preserve natural resources in the concrete manufacturing industry. Generally, using new waste materials will eventually affect the engineering properties of concrete. Therefore, the main objective of this study is to analyse the engineering properties of concrete containing combustion ash as a partial replacement for ordinary Portland cement (OPC). CA can be classified as combustion bottom ash (CBA) and combustion fly ash (CFA). CA is tested for its chemical compositions using X-Ray Fluorescence (XRF), and its four main compositions, which are silica, alumina, iron, and calcium, are examined and discussed extensively. Other testing for the property of CA includes Scanning Electron Microscopic (SEM) and specific gravity testing for coarse aggregate. To produce sustainable concrete from waste, several tests have been conducted to determine the engineering properties of the concrete, such as compressive strength, flexural strength, and splitting tensile strength. Results show that CA, which consists mainly of silica dioxide, contributed to the strength of concrete. SEM images show that CBA has a porous structure with an angular and rough texture, whereas CFA has more rounded particles, which influence the overall compressive strength. Furthermore, it was discovered that as the proportion of CBA utilised increased, the compressive strength, flexural strength, and splitting tensile strength of the concrete improved. Based on the results of the testing, CBA is suggested for use as a supplementary cementitious material in concrete.

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