The Effect of Adding Steel Slag and Lime on The Engineering Properties of a Sandy Soil
Compaction is the process of mechanically densifying a soil which increase its density to meet engineering requirements. Unstable soils can create significant problems for pavements or structures ,therefore soil stabilization techniques are necessary to ensure the good stability of soil so that it can successfully sustain the load of the superstructure especially in case of soil which are highly active, also it saves a lot of time and millions of money when compared to the method of cutting out and replacing the unstable soil. This research describes a study of the effect of adding steel slag and lime on the engineering properties of a sandy soil. A series of laboratory experiments have been implemented and varieties of samples were made by mixing steel slag and lime with soil. different percentages of steel slag and lime were used as stabilization materials. Test results show that adding steel slag and lime can improve the properties of compacted sandy soil, and has a great effect on the behavior of compaction of stabilized soil, the maximum dry unit weight increased gradually at the low addition ratios and the maximum increase occurred at steel slag and lime content equals to 25% and 15% respectively.
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