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Behaviour of geocell reinforced soft clay bed subjected to incremental cyclic loading
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  • Journal title : Geomechanics and Engineering
  • Volume 10, Issue 4,  2016, pp.405-422
  • Publisher : Techno-Press
  • DOI : 10.12989/gae.2016.10.4.405
 Title & Authors
Behaviour of geocell reinforced soft clay bed subjected to incremental cyclic loading
Hegde, A.; Sitharam, T.G.;
 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 () was calculated for the different cases. The value was found to increase in the presence of geocell reinforcement. The maximum increase in the 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.
 Keywords
geocells;cyclic plate load test;coefficient of elastic uniform compression;natural frequency;bearing capacity;
 Language
English
 Cited by
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Evaluation of strain modulus and deformation characteristics of geosynthetic-reinforced soil – aggregate system under repetitive loading, International Journal of Geotechnical Engineering, 2017, 1  crossref(new windwow)
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Performance evaluation of geocell-reinforced pavements, International Journal of Geotechnical Engineering, 2017, 1  crossref(new windwow)
4.
Geocell reinforced foundation beds-past findings, present trends and future prospects: A state-of-the-art review, Construction and Building Materials, 2017, 154, 658  crossref(new windwow)
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