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Effect of Lime on California Bearing Ratio (CBR) of Soft Soils

A Razap, NurmazatuI Najmiah (2007) Effect of Lime on California Bearing Ratio (CBR) of Soft Soils. Universiti Teknologi PETRONAS. (Unpublished)

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Abstract

Soft soils are well-known for their weak strength, compressibility and are considered of having poor engineering properties. These soils induce more construction problems to remove and replace the unsuitable soil. However, past researches had discovered that these soft soils could be treated and be made suitable for construction usages. One of the methods is through soil stabilization, where one or more soil properties is altered by mechanical or chemical means. Utilizing chemical stabilization, lime was added to the soil to improve the soil engineering properties. The addition of lime to a soil has a pronounced effect on its physical and chemical properties. Two main changes take place when lime is added to soil; the physical characteristics of the soil are altered and cementitious compound form resulting in some bonding of particles. The main research parameter is onthe strength gain behaviour, or California Bearing Ratio (CBR) of the soil upon lime addition. Initial classification tests were conducted on the soil to obtain its initial characteristics and establish its initial value of strength parameter (CBR). CBR tests were conducted on the natural soil as well as with the addition of 2%, 3%, 4% and 6% lime to determine the strength development and swelling effects of the soil under soaked conditions. The treated soil was found out to have increasing CBR value with increasing lime content while the swelling behaviour decreases with respect to the amount lime used. From the testings, 3% of lime was found to be the optimum lime content in treating the soil.

Item Type: Final Year Project
Academic Subject : Academic Department - Civil Engineering - Water and environment - Environmental - Solid waste
Subject: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Engineering > Civil
Depositing User: Users 2053 not found.
Date Deposited: 22 Oct 2013 09:27
Last Modified: 22 Oct 2013 09:27
URI: http://utpedia.utp.edu.my/id/eprint/8985

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