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Title: Liquefaction behavior of reinforced saturated sand under dynamic conditions
Authors: Mittal, Satyendra
Chauhan R.
Published in: International Journal of Geotechnical Engineering
Abstract: For reduction in liquefaction potential in liquefiable soils, the common practices are densification of strata, draining, vibroflotation, etc. For densification, the deployment of large plant and machinery is involved. Reinforced earth techniques may simplify the densification technique. The behavior of reinforced soil is well known. In the present paper, efforts had been made to see the effect of reinforcement against liquefaction. Uniaxial geogrid had been used to reinforce the fine sand. Tests had been conducted on the shake table at different accelerations varying from 0·1 to 0·3g. For particular value of acceleration, the densities of the sample were also varied from 35 to 65%. It was observed that after inclusion of 4 Nos. geogrid layers, the reduction in liquefaction potential was 17- 20% at different values of acceleration on 35% density. At higher densities, the average increase in liquefaction resistance was 25%. Effect of surcharge was also studied on reinforced sand to simulate field conditions. For surcharge conditions at 50-65% densities, it is observed that average liquefaction resistance increased 28-45% at 0·3g for reinforced soil. © 2013 W. S. Maney & Son Ltd
Citation: International Journal of Geotechnical Engineering(2013), 7(1): 109-114
Issue Date: 2013
Publisher: Maney Publishing
Keywords: Geogrid
Reinforced soil
Shake table
Surcharge pressure
ISSN: 19386362
Author Scopus IDs: 15062987700
Author Affiliations: Mittal, S., Department of Civil Engineering, Indian Institute of Technology, Roorkee, 247 667, India
Chauhan, R., Department of Civil Engineering, Indian Institute of Technology, Roorkee, 247 667, India
Corresponding Author: Mittal, S.; Department of Civil Engineering, Indian Institute of TechnologyIndia
Appears in Collections:Journal Publications [CE]

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