Evaluation of Tensile Strength of Sisal, Bamboo, and Pinepple Leaf Fiber Composite for Potential Use Infrastructure

Syekhan Maulana; Jibril Maulana; Dewi ‘Izzatus Tsamroh; Muhammad Ilman Nur Sasongko

doi:10.61132/iconfes.v3i1.188

Authors

Syekhan Maulana Universitas Negeri Malang
Jibril Maulana Universitas Negeri Malang
Dewi ‘Izzatus Tsamroh Universitas Negeri Malang
Muhammad Ilman Nur Sasongko Universitas Negeri Malang

DOI:

https://doi.org/10.61132/iconfes.v3i1.188

Keywords:

Bamboo Fiber, Natural Fiber Composites, Pineapple Leaf Fiber, Sisal Fiber, Sustainable Infrastructure

Abstract

The construction and infrastructure sectors are shifting toward lighter, low-emission, and sustainable materials in response to the high carbon footprint and excessive weight of common materials such as concrete and steel. One promising alternative widely developed is natural fiber–based composites. However, studies comparing mechanical properties of variations of natural fibers within a single framework remain limited. This study aims to evaluate and compare composite mechanical properties reinforced by sisal fiber, bamboo fiber, and pineapple leaf fiber to determine the optimal fiber type for sustainable infrastructure applications. The research methodology involved fabrication of composite specimens using a unidirectional fiber configuration with a resin matrix, molded following ASTM D638 Type I dimensional and geometrical requirements. Tensile testing was conducted to evaluate mechanical responses, including ultimate tensile behavior, deformation characteristics, and elastic properties, which were presented in tabular and graphical forms. The results show that incorporation of all natural fiber types significantly enhanced composite mechanical properties, exhibiting an average tensile strength of approximately 26 MPa. Pineapple leaf fiber demonstrated balanced mechanical behavior combining strength and ductility, while sisal fiber showed superior tensile resistance and rigidity. Bamboo fiber provided moderate mechanical improvement. Overall, natural fiber–reinforced composites demonstrate strong potential as environmentally friendly alternative materials for infrastructure applications, with mechanical characteristics adjustable based on reinforcing fiber type.

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