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World Journal of Engineering Research and Technology

( An ISO 9001:2015 Certified International Journal )

An International Peer Reviewed Journal for Engineering Research and Technology

An Official Publication of Society for Advance Healthcare Research (Reg. No. : 01/01/01/31674/16)

ISSN 2454-695X

Impact Factor : 7.029

ICV : 79.45

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Abstract

MITIGATE PERFORMANCE OF SHALLOW SOFT COHESIVE DEPOSIT SOIL USING BY-PRODUCT STEEL SLAG AGGREGATE

Naema Ali Ebraheim Ali*

ABSTRACT

Using by-product materials, west and recycle material should be widely used for economic and environmental reasons. Steel Slag Aggregate (SSA) can be used to control the highly problematic soft cohesive deposit soil to be adequate to support engineering structures. Laboratory study is carried out to investigate the geotechnical characteristics of soft cohesive deposit soil by Atterberg limits tests, the optimum moisture contents (OMC) the maximum dry densities (MDD) and California bearing ratio (CBR) and strength properties, the unconfined compressive strength test (UCS), vane tests (VT), before and after mitigate. Experimental results of using different gradation of crushed (SSA) to improve the soft cohesive deposit, it was mixed with various percentages, (15%, 25% and 35%) of dry weight of deposit soil are carryout. Soft cohesive deposit and various mixtures are examined for its geotechnical properties and its strength parameters. The results of soft cohesive deposit at different partially replacement percentages were compared to conclude the overall best gradation and optimum percentage of that particular material, (SSA) added to soft cohesive deposit soil based on modified the geotechnical characteristics of these deposit soil. Also, field plate load tests program was developed and conducted on improved soft cohesive deposit soils. The results introduce the development of practical, economical and environmentally safe geochemical methods for soft cohesive deposit soil stabilization and mitigated its low bearing capacity and eliminated its excess settlement risk about 50%.

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