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Title: Factors Influencing the Distribution of Peak Tension in Geosynthetic Reinforced Soil Slopes
Authors: Tiwari G.
Samadhiya, Narendra Kumar
Published in: Indian Geotechnical Journal
Abstract: In the current article a numerical parametric study has been performed to investigate the distribution of tension in the geosynthetic layers and the distribution of shear strains in the slope backfill. Literature suggests varied opinions regarding the location of maximum tension along slope elevation. Few researchers have assumed that peak tension occurs at the toe whereas several others assumed it to occur at the mid-height of slope. To address this issue, numerical simulations of geosynthetic reinforced soil slopes are carried out using a finite element program. Slope inclination, properties of backfill soil, properties of geosynthetics and surcharge pressure on slope crest were varied in these simulations to understand the influence of these parameters on the location and magnitude of peak tension mobilized along the reinforcement layers. This study reveals that the location and magnitude of peak tension in reinforcement for slopes depends on several parameters, most importantly on the slope inclination, spacing of reinforcing layers and surcharge pressure on the slope. In all the cases, location of peak tension was found to be coinciding with the potential failure surface due to high shear strain concentration along failure surface. ¬© 2015, Indian Geotechnical Society.
Citation: Indian Geotechnical Journal(2016), 46(1): 34-44
Issue Date: 2016
Publisher: Springer India
Keywords: Finite element analysis
Location of peak tension
Numerical study
Parametric study
Peak tension
Reinforced slope
ISSN: 468983
Author Scopus IDs: 57061939500
Author Affiliations: Tiwari, G., IISc, Bangalore, India
Samadhiya, N.K., IIT Roorkee, Roorkee, India
Corresponding Author: Tiwari, G.; IIScIndia; email:
Appears in Collections:Journal Publications [CE]

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