Properties of metakaolin-blended oil palm shell lightweight concrete

Mo, Kim Hung and Mohd Anor, Fatin Amirah and Alengaram, Ubagaram Johnson and Jumaat, Mohd Zamin and Rao, K. Jagannadha (2018) Properties of metakaolin-blended oil palm shell lightweight concrete. European Journal of Environmental and Civil Engineering, 22 (7). pp. 852-868. ISSN 2116-7214, DOI

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In this paper, the effect of partial replacement of cement with metakaolin (MK) on the strength properties of oil palm shell (OPS) lightweight concrete was investigated. Generally, 5–20% of partial cement replacement with MK enhanced the compressive, splitting tensile and flexural strengths as well as modulus of elasticity of OPS concrete (OPSC). Though the 28 day compressive strength of the OPSC was found in the range of 39–47 MPa, the highest compressive strength was obtained for the mix with 10% replacement of MK. Similar replacement level of MK was found optimum for both the splitting tensile and flexural strengths. In addition, the strength efficiency of OPSC with MK as partial cement replacement was also investigated and it was found that the increase in the replacement level of MK up to 20% resulted in 49% increase in the strength efficiency for the OPSC.

Item Type: Article
Funders: University of Malaya under the grant RP037C-15AET: "Synthesis of Nano Silica, Alumina and TiO2 in the Development of Geopolymer of Concrete Using Local Waste"
Uncontrolled Keywords: metakaolin; lightweight concrete; oil palm shell; compressive strength; mechanical properties; strength efficiency
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 21 May 2019 08:00
Last Modified: 21 May 2019 08:00

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