Theoretical Behaviourof Soil Stability Using Geo Grids
Journal: International Journal of Computational Engineering Research(IJCER) (Vol.6, No. 11)Publication Date: 2016-11-30
Authors : Dr.A.S.Kanagalakshmi. J.Vindhya.ShraranKumar.K;
Page : 24-26
Keywords : Geogrid; CBR; geogrid; subgrade; UCC; SoilStability; Bearing Capacity.;
Abstract
The subgrade of any pavement plays an important role in load bearing and support of traffic in the form of foundation. The present scenario describes that use of geogrid is used to stabilize a soft soil of highway subgrade so that a firm working platform could be provided for pavement construction.It is found that geo-grids placed at 3/5 the distance from the base shows higher CBR value than when placed at 2/5 and 4/5 distances from the base.The first objective of the study is to be the evaluation of the soil properties like particle size, liquid limit, plastic limit, plasticity index to identify as a soft soil. Second objective of the study is to, improve the bearing capacity of soft soil by using flyash, lime, lime/flyash as a admixture and geogrids as a reinforcement. California Baring Ratio (CBR) and Unconfined Compression (UCC) tests were conducted in the laboratory on the soil.
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