Shear behaviour and mechanical properties of steel fibre-reinforced cement-based and geopolymer oil palm shell lightweight aggregate concrete

Mo, K.H. and Yeoh, K.H. and Bashar, I.I. and Alengaram, U.J. and Jumaat, M.Z. (2017) Shear behaviour and mechanical properties of steel fibre-reinforced cement-based and geopolymer oil palm shell lightweight aggregate concrete. Construction and Building Materials, 148. pp. 369-375. ISSN 0950-0618

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Official URL: http://dx.doi.org/10.1016/j.conbuildmat.2017.05.01...

Abstract

The shear behaviour and mechanical properties (compressive, splitting tensile and flexural strengths) as well as the flexural toughness of steel fibre-reinforced cement-based and geopolymer oil palm shell lightweight aggregate concrete (OPS LWAC) were experimentally investigated in this paper. Steel fibres were added at various volume fractions for the cement-based OPS LWAC (0%, 0.5% and 1.0%) and geopolymer OPS LWAC (0%, 0.5%). Test results showed that steel fibre improved the mechanical properties of concrete, particularly for the splitting tensile strength whereas flexural toughness enhancement with the use of steel fibres was more evident for the cement-based OPS LWAC than the geopolymer concrete. The shear resistance of OPS LWAC beams was also found to improve with the addition of steel fibres and existing prediction equations for shear capacity of steel fibre-reinforced lightweight concrete was determined to be conservative for the steel fibre-reinforced cement-based and geopolymer OPS LWAC.

Item Type: Article
Uncontrolled Keywords: Shear behaviour; Geopolymer concrete; Lightweight aggregate concrete; Fibre reinforced concrete; Mechanical properties
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Engineering > School of Civil Engineering and the Environment
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 04 Aug 2017 04:12
Last Modified: 04 Aug 2017 04:12
URI: http://eprints.um.edu.my/id/eprint/17624

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