Mechanical Root Reinforcement of Bermuda Grass Toward Slope Stability
Noorasyikin M.N1, Zainab M2
1Noorasyikin M.N, Lecturer, Department of Engineering and Built Environment, SEGi University, Kota Damansara, Malaysia.
2Zainab M, Professor, Department of Civil Engineering, Universiti Teknologi Mara, Shah Alam, Malaysia.
Manuscript received on 25 May 2019 | Revised Manuscript received on 03 June 2019 | Manuscript Published on 22 June 2019 | PP: 426-430 | Volume-8 Issue-3S, February 2019 | Retrieval Number: C10890283S19/19©BEIESP
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Abstract: Bermuda grass is one of the bioengineering techniques which were widely applied for slope stabilization. In situ tests have been carried out on root of Bermuda grass at several locations by applied fabrication pull out test to determine the bonding strength between soil and root. The root samples and soil samples with and without roots then were brought to the laboratory to conduct tensile strength and shear box tests for further investigation. For insitu tests, it was found that the roots of Bermuda grass grow well with sandy soil compared to clay soil. In addition, the root of Bermuda grass also able to tolerate with dry weather. In term of tensile strength test, the root was found decreases as the root diameter decreases. Meanwhile, the root length was notified did not give any effect toward tensile strength. For shear strength test, the parameters which are cohesion and friction angle for soil with roots were found obtained higher values compared to soil only. The findings indicated that the Bermuda grass is a good choice of bioengineering technique for mitigation of slope failure in Malaysia tropical wet environment.
Keywords: Root Matrix System, Pull Out Strength, Tensile Strength, Shear box, Slope stability.
Scope of the Article: Assemblage and System