Experimental Investigation on Hypo Sludge Concrete by . - IJIRSETExperimental Investigation on Hypo Sludge. Concrete by Using Sikicrete. A. Sangeeth Kumar, B. Jose Ravindra Raj . PG Scholar, Department of Civil.hypo sliudge in concrete,hypo sliudge in concrete,Structural Performance of Concrete by Partial Replacement of . - ijeteStructural Performance of Concrete by Partial Replacement of. Cement with Hypo Sludge (paper waste). Abdullah shahbaz khan1, Ram panth2, Gagan Krishna.