Experimental Investigation on Usage of Waste Paper Sludge (WPS) in Concrete Making (original) (raw)

Cement is the main component of any construction. Due to rapid usage of natural resources such as lime stones, clay etc. during the production of cement causes larger depletion in our natural reserves. There is a need to think ahead to make arrival of new material which best suites to replace the cement. Every industry produces wastage. All the wastages cannot be replaced. The chemical, physical properties should be characterized before replacing. Paper making generally produces a large amount of solid wastes which are spread over the cropland and contaminants builds up over it. The disposal is the major problem in paper industry. They cause severe air pollution when it is burnt. Paper sludge consists of minimum amount of silica, magnesium and considerable amount of lime, which is the main property of cement. So the disposal and pollution problems can be reduced to greater extent by partially replacing the cement using paper sludge from paper industries. This study investigates the use of waste paper sludge in concrete mix of M30 with 4%, 8%, 12% and 16% as partial replacement of cement. Cube of size 150 x 150 x 150mm, prism bars of 500 x 100 x 100mm, cylinders of 100 x 200mm are casted for both conventional M30 grade concrete and partially replaced concrete. The curing period of 3, 7, and 28days were allowed and test was conducted to determine its compressive strength, flexural strength and split tensile strength. The results obtained through this investigation were found to be satisfactory for the compressive strengths. Keywords – waste paper sludge, paper waste in concrete making, recycle and reuse of paper waste, M30 grade concrete and partially replaced concrete. The curing period of 3, 7, and 28days were allowed and test was conducted to determine its compressive strength, flexural strength and split tensile strength. The results obtained through this investigation were found to be satisfactory for the compressive strengths.