Study on Comparison Experiment of Effects on Performance of Cementation Sand by Fly Ash and Natural Pozzuolana

With fly ash and natural pozzuolana as admixtures respectively,effects on water consumption of cementation sand,strength of cementation sand and hydration heat of cementation materials are compared and studied.The comparing and studying results show that water consumption of cementation sand admixed with natural pozzuolana is higher than that mixed with fly ash;strength of cementation sand with natural pozzuolana is lower than that with fly ash;hydration heat of cementation materials with natural pozzuolana is higher than that with fly ash;activity effect of natural pozzuolana is lower than that of fly ash.