Abstract
This research work has been done mainly on the compaction characteristic (OMC-MDD, UCS) and strength properties (CBR Values) of expensive soils such as clayey soil. The engineering strength properties of expensive soils (clayey soil) such as compaction characteristics and bearing capacity can be improved by stabilization process of the soil. These properties can be improved by controlled compaction using the mechanical equipment’s or by addition of suitable admixtures like cement, fly ash, lime or by reinforcing the soil with shredded tyre, crumb rubber, plastic waste etc. But in recent years, tyre chips and lime are used very widely for stabilizing the soil, because these are economical than the other admixtures and are abundantly available in the market, so in this work lime treated shredded tyre has been used to improve the various strength properties of natural soil. Lime has been used as a binding material and also used for the treatment of the shredded tyre to make the tyre surface rougher. The objective of this work is to investigate the strength properties of natural clayey soil reinforced with different percentages of lime treated shredded tyre taken by the weight of natural soil and fixed percentage of lime as a binding material. A series of Standard Proctor Tests, Unconfined Compressive strength (UCS) tests and California Bearing Ratio (CBR) tests are being conducted on both the natural soil and reinforced soil with varying percentages of lime treated shredded Tyre (4%, 8%, 12% and 16%) by weight of natural soil and fixed percentage of Lime (10%).The value of MDD increases from 1.75g/cc to 1.93g/cc at 12% of tyre and 10% of lime , the value of UCS also increases from 3.35kg/cm2 to 5.63kg/cm2 at 12% of tyre and 10% of lime and the CBR value will also increase from 3.89% to 10.65% at 12% of shredded tyre and 10% of lime.
Highlights
Soil stabilization refers to the process of changing soil properties to improve strength and durability of soil
A series of standard proctor compaction tests, unconfined compressive strength test and California bearing ratio test are performed on reinforced soil with varying percentages of lime treated shredded tyre and constant percentage of lime and the corresponding results are shown below in tabulated form
As per the data and results obtained from the experimental work on soil stability investigation with shredded tyre using lime of clayey soils with different percentages of shredded tyre i.e. (4%, 8%, 12% and 16%) and fixed percentage of lime i.e. (10%), the following conclusions can be drawn in the aspect of strength properties due to application of shredded tyre and lime as a reinforcing and binding material respectively for the natural soil
Summary
Soil stabilization refers to the process of changing soil properties to improve strength and durability of soil. There are many techniques for soil stabilization, including compaction, dewatering and by adding some reinforcement materials like shredded tire and lime to the soil. Stability of soil is our main concern before constructing any type of structure. As we know that the load of any structure is transferred to the soil and it is distributed over the soil particles. The prime objective of soil stabilization is to improve the California Bearing Ratio of in-situ soil and to increase the load carrying capacity of soil. In the present investigation, shredded tyre from waste tyre has been chosen as the reinforcement material because it can improve the Revised Manuscript Received on March, 28 2020. In the present investigation, shredded tyre from waste tyre has been chosen as the reinforcement material because it can improve the Revised Manuscript Received on March, 28 2020. * Correspondence Author
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