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Paper title
ASSESSMENT OF THE EFFECTS OF STONE-DUST ON SOIL STABILIZATION.

Paper author
ELEKE C. N. NWOLUM C. F.

Author Email
[email protected]

Abstract
The essence of this study is to expose the way Stone dust aids in Soil stabilization for construction purposes, thereby increasing its strength, load bearing capacity and overall performance of the soil. Due to the large deposit of Laterite found in the sub-soil and subgrade when the topsoil is excavated, Laterite is the load bearing soil for most land construction in our locality (Eastern Nigeria) and its high ability to swell and contrast during wet and dry season respectively, tend to cause differential settlement and other structural failures. Sieve analysis and California Bearing Ratio (CBR) test was done on Stone dust, Laterite and Stone dust + Laterite to their different grading and load bearing capacity. Result showed that a ratio of 40:60 of Laterite to Stone dust has a stronger load bearing capacity when compared to either only stone dust or Laterite. The strength, engineering quality of soil increases with addition of Stone dust when compared to plain soil. Which effectively means it should be used as a soil stabilizer for construction purposes so as to recycle its wastage at Stone Quarries. Keywords: Soil Stabilization, Laterite, Stone dust, Sieve analysis, California Bearing Ratio (CBR)


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