This paper presents the results of a research programme carried out with the objective of explicating the mechanism and behaviour between the liquid chemical and the engineering properties of three natural residual soils at laboratory scale. Liquid-formed chemical was selected in this research due to the scarcity of such findings instead of the prevalent solid chemical additive such as lime, cement or fly ash. The focus of the research is on the improvement of engineering properties of three natural soils collected from the Klang valley area and mixed with different proportions of liquid chemical. Series of laboratory tests on engineering properties, such as unconfined compressive strength (UCS), consistency limits, moisture-density relationship (compaction) were undertaken to evaluate the effectiveness and performances of this chemical as a soil stabilizing agent.
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