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An Experimental Study on Behaviour of Square Footing Resting on Reinforced Sand Bed under Static and Repeated Loading Using Geosynthetic Material

Journal: International Journal of Scientific Engineering and Research (IJSER) (Vol.3, No. 6)

Publication Date:

Authors : ; ;

Page : 103-107

Keywords : Cyclic loading; Geogrid; Coefficient of Elastic Uniform Compression; Coefficient of Non Uniform Compression; Coefficient of Uniform Shear; Coefficient of elastic non uniform shear; Modulus of Sub Grade Reaction.;

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In several structures in addition to static loads the foundations are subjected to dynamic loads like machine loads, seismic loads and moving wheel loads, petroleum tanks and ship repair tracks. In this study an attempt is made to evaluate the static and cyclic behavior of square footing resting on sand sub grade by conducting plate bearing and cyclic plate load tests in model box. The load-displacement characteristics were found from static plate bearing tests from which modulus of sub grade reaction (K) was found which is used in pavement design and evaluation. Also from cyclic plate load tests from which cyclic parameters (Cu, C?, C?, C?) was evaluated which is a parameter used in the design of machine foundations. To implement this objective, a cyclic plate load tests were performed to study the of reinforced soil foundation. The sand bed consists of horizontally placed polyester geogrid reinforcement in different layers and observed the effect of number of reinforced layers, effect of loading on bearing capacity, effect of width of reinforcement, effect of top layer spacing of reinforcement on dynamic properties.

Last modified: 2021-07-08 15:24:22