An Experimental Study on Shear Strength of Soil Subgrade using Cement as Stabilizing Agent IJTSRD


Construction of any civil engineering structural project (whether it is building, bridge, dam or road etc) is done on or below the surface of earth. The main purposes of any structure is to transmit the load to the soil beneath, so the soil beneath should be strong enough to bear the upcoming loads without undergoing any failure. Construction of any structure over a weak soil is highly difficult and unsafe as the soil undergoes differential settlements due to high compressibility and poor shear strength. Hence it is most important for us to check the engineering properties of soil before construction.Sub grade is the underlying soil that supports the applied wheel load .If the sub grade of the soil is too weak to support the wheel loads, the pavement will flex excessively which ultimately causes the pavement to fail.The current study deals with the enhancement of shearing strength of soil (which is one of the most engineering property of soil ) using cement as an additive to reduce sub grade failure.Therefore the present study gives an idea for improving the geotechnical engineering properties of the soil used for the pavement sub grade by using the additive which have mixed into the soil to get the desired improvement to fulfill the strength criteria. This criteria can be applied to the roads and air fields having a much stabilized surface layer. This can be achieved by mixing the sandy soil and Ordinary Portland Cement with the water and compacting the mix to get a stronger composite materialTherefore, the present investigation describes the behavioral aspect of soils mixed with 0%, 5% , 10% and 15 % cement by volume of soil to improve the load bearing capacity of the soil. Shear strength and index properties such as water content, MDD, OMC, etc. were determine and analyzed for the purpose of enhancement of pavement sub grade.The resultant material becomes hard and durable structural material as cement get hydrated and gained strength by adding 5%, 10 % and 15% of the cement by volume with the sandy soil. Compaction test was applied to determine the maximum dry density and the optimum moisture content of the soil by adding 5%,10 % and 15% of cement, in this the dry density first increases at 5% and 10%.The bearing capacity of any soil usually increases with increasing dry density and decreasing moisture content. The shear strength also increases, because increase in cementing content causes increase in shear strength by 13.75%, 19.19% and 9.4% respectively with respect to soil containing 0% of cement. High density assures high shear strength and greater imperviousness .Overall we can say that soil stabilization for pavement sub grade using cement as additive is a good ground improvement technique especially in engineering projects on weak soils. the geotechnical engineering properties of the soil used for the pavement sub grade by using the additive which have mixed into the soil to get the desired improvement to fulfill the strength criteria. This criteria can be applied to the roads and air fields having a much stabilized surface layer. This can be achieved by mixing the sandy soil and Ordinary Portland Cement with the water and compacting the mix to get a stronger composite materialTherefore, the present investigation describes the behavioral aspect of soils mixed with 0%, 5% , 10% and 15 % cement by volume of soil to improve the load bearing capacity of the soil. Shear strength and index properties such as water content, MDD, OMC, Liquid limit, specific gravity etc. were determine and analyzed for the purpose of enhancement of pavement sub grade.The resultant material becomes hard and durable structural material as cement get hydrated and gained strength by adding 5%, 10 % and 15% of the cement by volume with the sandy soil. Compaction test was applied to determine the maximum dry density and the optimum moisture content of the soil by adding 5%,10 % and 15% of cement, in this the dry density first increases at 5% and 10%.The bearing capacity of any soil usually increases with increasing dry density and decreasing moisture content. The shear strength also increases, because increase in cementing content causes increase in shear strength by 13.75%, 19.19% and 9.4% respectively with respect to soil containing 0% of cement. High density assures high shear strength and greater imperviousness .Overall we can say that soil stabilization for pavement sub grade using cement as additive is a good ground improvement technique especially in engineering projects on weak soils.

by Ausif Hussain Dangroo | Deepak Dalal”An Experimental Study on Shear Strength of Soil Subgrade using Cement as Stabilizing Agent”

Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-2 | Issue-3 , April 2018,

URL: http://www.ijtsrd.com/papers/ijtsrd12704.pdf

http://www.ijtsrd.com/engineering/civil-engineering/12704/an-experimental-study-on-shear-strength-of-soil-subgrade-using-cement-as-stabilizing-agent/ausif-hussain-dangroo

call for paper Water Resource Engineering, international journal Forestry Engineering, ugc approved journals for engineering




An Experimental Study on Shear Strength of Soil Subgrade using Cement as Stabilizing Agent IJTSRD IEEE PAPER





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