Effect Of Fly Ash On Cement Ppt Slides

High Pressure Briquetting Machine

May 13 2014nbsp018332Disadvantages of fly ash in concrete Concrete changes from a liquid to a solid a few hours after pouring but the curing process may take much longer Fly ash admixtures can lengthen the time it takes for concrete to set Fly ash reduces the amount of air entrainment and concrete mixtures high in fly ash often require more air entraining admixture It is more difficult to control