Volume : 2, Issue : 1, January - 2013

Study of Modulus of Elasticity of Concrete with Partial Replacement of Cement by Hypo Sludge Waste from Paper Industry

Jayraj Vinodsinh Solanki, Jayeshkumar Pitroda

Abstract :

Paper mill sludge is a major economic and environmental problem for the paper and board industry. The material is a by–product of the de–inking and re–pulping of paper. The million tonnes quantity of paper mill sludge produced in the world. The main recycling and disposal routes for paper sludge are land–spreading as agricultural fertiliser, producing paper sludge ash, or disposal to landfill. In functional terms, paper sludge consists of cellulose fies, calcium carbonate and china clay and residual chemicals bound up with water. The material is viscous, sticky and hard to dry. To produce low cost concrete by blending various ratios of cement with hypo sludge and to reduce disposal and pollution problems due to hypo sludge it is most essential to develop profitable building materials from hypo sludge. To make good quality paper limited number of times recycled Paper fies can be used which produces a large amount of solid waste. The innovative use of hypo sludge in concrete formulations as a supplementary cementitious material was tested as an alternative to conventional concrete. The cement has been replaced by hypo sludge accordingly in the range of 0%, 10%, 20%, 30% and 40% by volume for M–25 and M–40 mix. Concrete mixtures were produced, tested and compared in terms of modulus of elasticity with the conventional concrete. The test was carried out to evaluate the modulus of elasticity after 56 days. This study includes different concrete mixtures were produced to determine the influence of hypo sludge derived from J.K.Papers mill Pvt.Ltd, plant near Songadh, Tappi District in Gujarat State referring to the Modulus of Elasticity