Parameters to predict slope stability-soil water and root profiles

Osman, Normaniza and Barakbah, S.S. (2006) Parameters to predict slope stability-soil water and root profiles. Ecological Engineering, 28 (1). pp. 90-95. ISSN 09258574

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Abstract

A survey was conducted on five slopes of differing slope integrity along the North-South Expressway, Malaysia, to study the effects of vegetation on slope stability. Results showed significant effects of vegetation cover on slope stability in two extreme slopes, type A and type E, which represented stable and failed slopes, respectively. The highest root length density (RLD) was observed in type A slope due to the high density of vegetation cover, which eventually resulted in a lower soil water content (SWC). In contrast, the low biomass density of type E slope possessed a low RLD but high SWC, characteristics of a failed slope. Some correlations were also observed: RLD is positively related to shear strength and SWC is negatively related to both soil shear strength and soil penetrability. Thus, the study suggests that SWC and RLD could be used as indicators of slope stability and has the potential to predict slope failure in the future. © 2006 Elsevier B.V. All rights reserved.

Item Type: Article
Additional Information: Institute of Biological Sciences, Faculty of Science Building, University of Malaya, 50603 Kuala Lumpur, MALAYSIA
Uncontrolled Keywords: Ecological engineering, Root length density, Soil penetrability, Soil shear strength, Soil-plant-atmosphere continuum, Biomass, Mechanical permeability, Plants (botany), Shear strength, Soil mechanics, Vegetation, Soil surveys, prediction, slope failure, slope stability, soil water, vegetation cover, Asia, Eurasia, Malaysia, Southeast Asia
Subjects: Q Science > QH Natural history > QH301 Biology
Divisions: Faculty of Science > Institute of Biological Sciences
Depositing User: Miss Malisa Diana
Date Deposited: 02 Jul 2013 01:39
Last Modified: 24 Jan 2020 03:35
URI: http://eprints.um.edu.my/id/eprint/6237

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