Development of green ultra-high performance fiber reinforced concrete containing ultrafine palm oil fuel ash.

Abstract This paper presents an ideal experimental design based on the response surface method (RSM) to develop a new class of Green Ultra-High Performance Fiber Reinforced Cementitious Composites (GUHPFRCCs), in which 50% of the volume contains ultrafine palm oil fuel ash (UPOFA). This green concrete is currently under development at the Universiti Sains Malaysia (GUSMRC). This could lead to the greater utilization of POFA in concrete and, subsequently, could be useful in protecting the environment by minimizing volume of waste disposed on the wasteland and minimizing emission of greenhouse gases that released during cement production, besides contribute to cost saving which could somehow contribute towards the sustainability of the concrete industry. The results showed that at 90 days the optimum mix was achieved 158.28 MPa, 46.69 MPa and 13.78 MPa of compressive strength, bending tensile strength and direct tensile strength, respectively, with 50% replacement levels of the total binder content by UPOFA, indicating the ability of using UPOFA as an efficient pozzolanic mineral admixture for the production of GUSMRC with promisingly superior engineering properties.

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