Repeated Load Tests on Geocell Reinforced Sand Subgrades

Saride, Sireesh and Rayabharapu, V and Vedpathak, S and Puppala, A J (2013) Repeated Load Tests on Geocell Reinforced Sand Subgrades. In: Geosynthetics 2013, 1-4, April 2013, Long Beach, California.

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In this research, results from a series of large scale dynamic model tests on geocell reinforced and unreinforced homogeneous sand beds are presented. The placement density of sand in all the tests was maintained at 70%. The loading was applied through a circular steel plate which replicates the load application from a passenger car. A single axle wheel load of 40 kN was assumed on the pavement surface of which 7 kN was calculated to be applied on the subgrade layer. The influence of the width and height of the geocell reinforcement on the cyclic behavior of the loading system was studied and the performance improvement in terms of traffic benefit ratios and cumulative plastic deformations/rutting was determined. A traffic benefit ratio was observed to be as high as 45 for the case of geocell size h/D=1, b/D=4 at 10% plate settlement. The cumulative permanent deformations were reduced by 8 fold for the same case against the unreinforced case at 5% plate settlement.

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IITH Creators:
IITH CreatorsORCiD
Saride, SireeshUNSPECIFIED
Item Type: Conference or Workshop Item (Paper)
Additional Information: The authors would like to express their appreciation to STRATA Geosytems India Pvt. Ltd. for providing the geocell material for this research.
Subjects: Civil Engineering > Soil Structure Interaction
Divisions: Department of Civil Engineering
Depositing User: Team Library
Date Deposited: 06 Jun 2016 10:24
Last Modified: 01 Sep 2017 11:01
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