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Behaviour of geocell reinforced soft clay bed subjected to incremental cyclic loading

Hegde, A and Sitharam, TG (2016) Behaviour of geocell reinforced soft clay bed subjected to incremental cyclic loading. In: GEOMECHANICS AND ENGINEERING, 10 (4). pp. 405-422.

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Official URL: https://www.researchgate.net/publication/299752923...

Abstract

The paper deals with the results of the laboratory cyclic plate load tests performed on the reinforced soft clay beds. The performances of the clay bed reinforced with geocells and geocells with additional basal geogrid cases are compared with the performance of the unreinforced clay beds. From the cyclic plate load test results, the coefficient of elastic uniform compression (C-u) was calculated for the different cases. The Cu value was found to increase in the presence of geocell reinforcement. The maximum increase in the Cu value was observed in the case of the clay bed reinforced with the combination of geocell and geogrid. In addition, 3 times increase in the strain modulus, 10 times increase in the bearing capacity, 8 times increase in the stiffness and 90% reduction in the settlement was observed in the presence of the geocell and geogrid. Based on the laboratory test results, a hypothetical case of a prototype foundation subjected to cyclic load was analyzed. The results revealed that the natural frequency of the foundation-soil system increases by 4 times and the amplitude of the vibration reduces by 92% in the presence of the geocells and the geogrids.

Item Type: Journal Article
Additional Information: Copy right for this article belongs to the TECHNO-PRESS, PO BOX 33, YUSEONG, DAEJEON 305-600, SOUTH KOREA
Keywords: geocells; cyclic plate load test; coefficient of elastic uniform compression; natural frequency; bearing capacity
Department/Centre: Division of Mechanical Sciences > Civil Engineering
Depositing User: Id for Latest eprints
Date Deposited: 11 Jun 2016 07:53
Last Modified: 11 Jun 2016 07:53
URI: http://eprints.iisc.ac.in/id/eprint/53907

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