Lowland Technology International
Vol 22 No 4 (2021): Lowland Technology International Journal

Effect of Diameter, Root Moisture Content, Gauge Length and Loading Rate on Tensile Strength of Plant Roots and Their Contribution to Slope Stability

Damtew Tsige Melese (Assistant professor at Jimma Institute of technology,Jimma University, Jimma, Ethiopia)



Article Info

Publish Date
09 Mar 2021

Abstract

Root tensile strength is a crucial parameter for enhancement of soil shear resistance against failure. Mechanical stabilization of plant roots depends on the tensile strength properties of roots, friction properties, and root density and its network. The aim of the study is therefore, to conduct combined effect of various influential factors (diameter of the root, specimen length, testing speed, and root moisture variation) on the root tensile strength properties of plant roots. The root system of five selected plant species are studied. Intact and undamaged root specimens sampled and tested for root characteristics and tensile strength (Tr) at different root moisture content with different diameter classes. The result of the study further revealed that (a) testing speed has insignificant influence on plant root tensile strength (b) specimen length and plant root tensile strength showed a significant negative linear correlation (c) root diameter and tensile strength showed negative power function correlation (d) root moisture content had slightly negative correlation with root tensile strength. From five tested plant species, the highest tensile strength recorded in Salix subserrata followed by Eucalyptus globules. Therefore, Salix subserrata is a promising species for slope stabilization because of its root mechanical characteristics.

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Journal Info

Abbrev

ialt_lti

Publisher

Subject

Civil Engineering, Building, Construction & Architecture Engineering Transportation

Description

The Lowland Technology International Journal presents activity and research developments in Geotechnical Engineering, Water Resources Engineering, Structural Engineering, Transportation Engineering, Urban Planning, Coastal Engineering, Disaster Prevention and Mitigation ...