International Research Journal of Innovations in Engineering and Technology - IRJIET International Open Access, Monthly, Peer Reviewed, Reputed Journal ISSN (online): 2581-3048

Impact Factor (2025): 6.9

DOI Prefix: 10.47001/IRJIET

Influence on Mechanical and Thermal Expansion Properties of Short Roselle Fibers-Reinforced Cement Base Composite Materials

Dr. Mahmood A. IsmailDepartment of Chemical Engineering and Petroleum Industries, Al-Amarah University College, Iraq

Vol 9 No 11 (2025): Volume 9, Issue 11, November 2025 | Pages: 462-472

International Research Journal of Innovations in Engineering and Technology

OPEN ACCESS | Research Article | Published Date: 02-12-2025

doi Logo doi.org/10.47001/IRJIET/2025.911052

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Abstract

This paper describes an experimental investigation on the mechanical, physical and thermal expansion properties of cement reinforced with Roselle fibres. The short discrete fibre length of (5-7mm) were used as reinforcement which were randomly oriented and uniformly distributed in the cement matrix and with various volume fraction of fibre cement ratio of (0-4%). The flexural strength, fracture energy, and thermal expansion of composites were found to increase as the fiber volume fraction was increased, while the elastic modulus was decreased, and also the results of the physical properties showed that a lightweight construction materials was obtained.

Keywords

Roselle Fiber, Flexural strength, Fracture Energy, Elastic Modules, Thermal Expansion, Reinforced Cement Composites


Citation of this Article

Dr. Mahmood A. Ismail. (2025). Influence on Mechanical and Thermal Expansion Properties of Short Roselle Fibers-Reinforced Cement Base Composite Materials. International Research Journal of Innovations in Engineering and Technology - IRJIET, 9(11), 462-472. Article DOI https://doi.org/10.47001/IRJIET/2025.911052

Licence Copyright (c) 2026 International Research Journal of Innovations in Engineering and Technology creative common licence This work is licensed under Creative common Attribution Non Commercial 4.0 Internation Licence
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