Statistical Modelling on Stabilization of Compressible Soil in Nilgiris Region

Authors : N. Poonkuzhali , M. Loganaganandan

Volume/Issue : Volume 3 - 2018, Issue 1 - January

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Construction on compressible soil is a great challenge in the field of Geotechnical Engineering. Since there is a reduction in sites for construction development it is crucial to find ways for soil improvement technique to respond to the demands and also by considering the cost and the effect to the environment. The present study is focused to overcome the problems experienced in Nilgiris region. This research work presents the efficiency of stabilization of compressible soil in the Nilgiris region, with the utilization of chemicals such as NaCl, CaCl2 & Ca(OH)2 in various proportions such as 5% , 10% , 15% , 20% and 25% and polypropylene waste fibre material as soil stabilizer in the ratio of 0.2% The strength of treated soil sample is being analysed using the Unconfined Compression Strength (UCC) test and California Bearing Ratio(CBR) test. The strength of the soil is significantly increased with the use of additives such as chemicals and polypropylene waste fibre materials. The results obtained from both process are used in regression modelling to arrive an empirical correlation between the load and settlement, strain and stress.

Keywords : Compressible Soil, Stabilization, Regression Modelling, Compressive Strength.


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