Performance Study of Square Footing Resting Over Geo-Grid Reinforced Sand
Journal Title: International Journal of engineering Research and Applications - Year 2017, Vol 7, Issue 2
Abstract
Decreasing availability of good construction sites and increasing construction activities for infrastructural developments throughout the world has forced the civil engineers to utilize unsuitable sites or weak soil. So for sustainable infrastructural development, there is a need to utilize these type of unsuitable land by the use of ground improvement techniques. There are different ground improvement techniques to stabilize the poor ground in which soil reinforcement is an effective and reliable technique. The objective of the present study was to determine the effects of the geo-grid reinforcement on the bearing capacity of sand. The model tests have been conducted using square footing at u/B=0.25 & 0.55. The average relative density kept up throughout all the tests is 65%. The sand is reinforced by multiple layers (1, 2, 3 & 4) of geo-grid. The ultimate bearing capacity of sand with square footing was computed by load-settlement curve. By these load-settlement curve, an appreciable increase in bearing capacity of sand was observed as the depth to the first layer of reinforcement increased. The optimum depth of placement of the first layer was 0.5B.
Authors and Affiliations
Ravindra Budania, Dr. R. P. Arora, Dr. B. S. Singhvi, Hitesh Kumar Veerwal
Keywords
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- EP ID EP389982
- DOI 10.9790/9622 -0702015459.
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