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Purba, Luki Hariando
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Journal : Rekayasa Sipil

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Banana Stem Fiber Potential as an Alternative Natural Geosynthetic Material for Soil Reinforcement and Protection Bartholomeus, Bartholomeus; Purba, Luki Hariando; S P Manurung, Charles; Sihombing, Wanto Poller
Rekayasa Sipil Vol. 19 No. 1 (2025): Rekayasa Sipil Vol. 19 No. 1
Publisher : Department of Civil Engineering, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2025.019.01.5

Abstract

Geosynthetics for soil reinforcement and protection require tensile strength and the ability to absorb water. Based on previous studies, it was found that banana stem fibers have both of these mechanical properties of geosynthetics. However, these two strong mechanical properties are not enough for geosynthetic applications. Several other mechanical properties are needed. Therefore, geosynthetic samples were made using spun and woven banana stem fiber materials in this study. The spun was made with different diameters, namely 5 mm, 7.5 mm, and 10 mm, and woven like a mat for one direction of tensile force. Then, additional tests were carried out in addition to tensile strength and water absorption, such as tear strength, puncture strength, and permeability based on permittivity. From the test results, only the woven fabric with a 5 mm spun diameter meets all requirements except for its permittivity value, where the average tensile strength, average tear strength, and average puncture strength obtained for elongation <50% are 32.0 kN/m, 628.7 N, and 1915.8 N, respectively. At the same time, the average water absorption for all diameter variations is 408.07% to 441.86%. So banana stem fibers, especially those with a 5 mm spun diameter, have the potential as an alternative natural geosynthetic material for soil reinforcement and protection by considering the spun fiber woven pattern to improve the permittivity.
Co-Authors Ade Lisantono, Ade Bambang Supriyadi Bartholomeus Bartolomeus, Bartolomeus Hutagalung, Bartholomeus Lumbangaol, Partahi Pakpahan, Candra J.A Pasaribu, Humisar Perangin-angin, Siwan S P Manurung, Charles Saragi, Yetty Sihombing, Wanto Poller Simanjuntak, Salomo Simorangkir, Adelina Basa Gloria Tumanggor, Brenico Zai, Eben Oktavianus