Effect of Stone Dust Admixture on Strength Of Soil

Abstract

This research is an attempt to investigate the effect of stone powder on the strength and compaction properties of C-Ø soil collected from Chandigarh. The basic properties: Unconfined compressive strength, direct shear, compaction and Atterberg limits were determined first. The stone powder was added at specific percentages (20%, 25% and 30%) by weight of soil and mixed with the optimum moisture content obtained from the compaction test. The results revealed that the addition of 25% stone powder increased the maximum dry density whereas decreased optimum moisture content. Further when 20% stone dust powder was added soil strength increases by 6%. Similarly Atterberg limits and Cohesion decreases whereas angle of internal friction increases on increasing the percentage of stone dust.