What is it about?
In this study, we explored how roots from Bermuda grass (Cynodon dactylon) can enhance the mechanical stability of laterite soil, a common soil type in tropical regions prone to shallow landslides. Through consolidated isotropic undrained triaxial compression tests, we found that root reinforcement increased soil cohesion by 113% and the internal friction angle by 2.3%. These findings support the use of vegetation-based solutions as cost-effective, ecologically sustainable tools for slope stabilization.
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Why is it important?
These findings support the use of vegetation-based solutions as cost-effective, ecologically sustainable tools for slope stabilization.
Perspectives
This study closely reflects my interest in eco-efficient slope stabilization. Its quantification of Bermuda grass root effects on cohesion and friction angle in laterite soil reinforces the practical value of bioengineering in geotechnical design. I find its use of CIU triaxial testing particularly relevant to my modeling work, and the results offer a compelling foundation for integrating vegetation into predictive stability frameworks—especially in tropical regions facing shallow landslide risk.
Dr. John Bosco Niyomukiza
Thammasat University
Read the Original
This page is a summary of: Influence of Bermuda Vegetation Roots on the Shear Strength Parameters of Laterite Soil, January 2025, Springer Science + Business Media,
DOI: 10.1007/978-981-96-8464-9_62.
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