Effect of Waste Sludge on Compaction Behaviour of Fly Ash
Journal Title: INTERNATIONAL JOURNAL OF ENGINEERING TRENDS AND TECHNOLOGY - Year 2014, Vol 8, Issue 3
Abstract
Standard Proctor compaction tests were carried out keeping (i) 30%-50% waste sludge and 70%-50% fly ash (ii) use of fresh/remolded samples; and (iii) preconditioning period as variable parameters. The value of maximum dry density (MDD) of mix 55%FA+45%S was observed as 13 kN/m3 which is about 40% more than MDD value (9.30 kN/m3) of fly ash under fresh condition. However, under remolded condition the mix 60%FA+40%S gives optimum value of MDD (13.40 kN/m3) which is 31% more than the MDD value (10.20 kN/m3) of fly ash under similar test condition. For the estimation of MDD of fly ash and fly ash-waste sludge, a linear empirical model has been chosen in terms of optimum moisture content (OMC) and specific gravity (G). The proposed method has been validated for Harduaganj fly ash and fly ash-waste sludge mixes.
Authors and Affiliations
Dr. Malik Shoeb Ahmad
Keywords
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