Suitability of Eugenia oleina in tropical slope as bio-anchorage system

Youventharan, Duraisamy and Rokiah, Othman and Mohd Arif, Sulaiman and Putra Jaya, Ramadhansyah and Siti Noor Linda, Taib (2023) Suitability of Eugenia oleina in tropical slope as bio-anchorage system. In: World Sustainable Construction Conference Series 2022 (WSCC 2022), 14 - 15 October 2022 , Kuala Lumpur, Malaysia. pp. 139-149., 4. ISSN 2674-1237 ISBN 978-3-0364-1280-1

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Landslide is a major geological hazard and poses high risk to most countries in the tropical regions. This problem is more severe in places like Malaysia where residual soil is abundant. High temperature and humidity will easily disintegrate soil particles and therefore loosen the bonding between the soil and the root system. The main goal is to elucidate the interaction mechanism of bioinspired soil anchorage system to enhance bonding between residual soil matrix in tropical region. Hence, this research aims to establish correlation between the pattern of root and its tensile strength to reinforce tropical residual slope. Basic soil property tests and classification protocols were carried out in the laboratory. Root tensile test results from the laboratory was correlated with field pull-out test data. Slope stability in the area where the plant roots were introduced have been disturbed. The factor of safety of slope with bio-anchorage system was one third of the slope with grass. The findings provide the best solution from the bioinspired soil anchorage system for tropical slope. Hence, the plant species that works well in residual soil for the purpose of reinforcing tropical slope was identified and recommended. As a result, many serious landslides and slope failures in residual soil could be avoided in the tropical region. Therefore, slope stabilization technique such as the bioinspired soil anchorage system once established can reduce the dependency on conventional concrete wall.

Item Type: Conference or Workshop Item (Lecture)
Uncontrolled Keywords: Bio-anchorage system; Direct shear test; Pullout test; Root tensile; Slope stability; Tropical residual soil
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TE Highway engineering. Roads and pavements
Faculty/Division: Faculty of Civil Engineering Technology
Depositing User: PM Dr. Ramdhansyah Putra Jaya
Date Deposited: 16 May 2023 01:15
Last Modified: 16 May 2023 01:15
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