Yew, M.K. and Mahmud, H.B. and Ang, B.C. and Yew, M.C. (2015) Influence of different types of polypropylene fibre on the mechanical properties of high-strength oil palm shell lightweight concrete. Construction and Building Materials, 90. pp. 36-43. ISSN 0950-0618, DOI https://doi.org/10.1016/j.conbuildmat.2015.04.024.
Full text not available from this repository.Abstract
This study aims to investigate the use of various polypropylene (PP) fibres with different aspect ratio and geometry to enhance the mechanical properties of oil palm shell fibre-reinforced lightweight concrete. The volume fractions (Vf) of 0.25%, 0.375% and 0.5% were studied for each fibre. As various PP fibres were added into oil palm shell fibre reinforced concrete, the marginal density reduction was reported. The effectiveness of new types of PP fibres to increase the compressive strength at later ages was more pronounced than at early age. It is found that low volume fractions of polypropylene twisted bundle (PPTB) fibres are more effective in improving the flexural strength of OPS concrete compared to its splitting tensile strength. The average modulus of elasticity (E value) is obtained to be 13.4 GPa for all mixes, which is higher than the values reported in previous studies. An increase in the percentage third load compressive strength of 0.5% PPTB fibre of up to 11% was reported. Hence, this new types of PP fibres is a promising alternative solution to compensate lower mechanical properties for lightweight concrete.
| Item Type: | Article |
|---|---|
| Funders: | University of Malaya: Institute of Research Management and Monitoring (Project No.: PG007-2013A), University of Malaya Research Grant Scheme (Project No.: RP018/2012C and RP022C-13AET) and Fundamental Research Grant Scheme (Project No.: FP048-2013B), Ministry of Higher Education, Malaysia: High Impact Research Grant MOHE-HIR D000008-16001 |
| Uncontrolled Keywords: | Lightweight concrete; Oil palm shells; Polypropylene fibres; Mechanical property; Density |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) T Technology > TJ Mechanical engineering and machinery |
| Divisions: | Faculty of Engineering |
| Depositing User: | Ms. Juhaida Abd Rahim |
| Date Deposited: | 21 Sep 2018 05:07 |
| Last Modified: | 21 Sep 2018 05:07 |
| URI: | http://eprints.um.edu.my/id/eprint/19369 |
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