1Deaprtment of Civil Engineering, Pandit Deendayal Petroleum University, Gandhinagar, India
2Department of Civil Engineering, Manipal Institute of Technology, Manipal, India
Online published on 8 November, 2017.
In this paper, a study has been made on the mechanical properties of the composite concrete using fly ash, lime sludge and copper slag. The compressive, flexural and split tensile strengths of the plain or controlled concrete after 28 days and 90 days curing have compared with those of composite concrete made up with partially replacing cement by fly ash and lime sludge, and partially sand by copper slag. Composite concrete with replacement of cement (weight) by lime sludge 20 percent and the sand by copper slag 40 percent is found to be more economical without sacrificing minimum required compressive, flexural and split tensile strength, in general, compared to that of plain concrete. Further this composite concrete helps in solving disposal problem of fly ash and lime sludge, copper slag to the considerable extent.
Composite concrete, Compressive strength, lime sludge, copper slag, split tensile strength
