USED MARBLE SLURRY AS STABILIZATION FOR LAND FILLING BY CLAY AS ADDITIVE PRODUCT

After conducting tests following conclusion is drawn for mixing Clay in Marble        slurry as additive to stabilize it for filling purpose ü  It was found that Liquid limit also are same for lime content but plastic limit varied with increasing % of lime content for Dhaka clay [Soil A] but the liquid limit change with increasing % of cement both Dhaka clay [Soil A] and River sand [Soil B].   ü  It was found that Maximum Dry Density (MDD) decreased with the increase in % of lime content for Dhaka Clay but MDD increased with increasing % of cement content both Dhaka Clay and River Sand   ü  Optimum Moisture Content decreased with increasing ( 0-6) % of cement content but it increased for 8% of cement content   ü  OMC increased linearly with increasing % of lime content   ü  It was also found that liquid limit also same CHARTically between previous study and our study for lime content but liquid limit (LL) varied for cement content.   ü  Maximum dry density (MDD) almost remained same between our study and previous study    ü  Optimum moisture content (OMC) varies previous study than our study for both lime and cement content.   ü  Marble Powder has low plasticity Index and higher value of shrinkage Limit as compare to clay. Hence it almost non-plastic and has less shrinkage as compare to clay. So it can be used to fill low-lying areas with mixing some amount of clay as additive to impart cohesion.   ü  Compaction characteristics of MP-Clay Mix proportions show that in the range between 45%MP & 55% Clay to 60% MP & 40% Clay give better dry density to use Marble Powder as land filling material.   ü  Its Shear strength parameters show that it is better to use MP-Clay mix in above-mentioned range in back filling for retaining wall as it has got adequate shearing strength  

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