期刊名称：Journal of Materials and Environmental Science
印刷版ISSN：2028-2508
出版年度：2018
卷号：9
期号：1
页码：10-17
DOI：10.26872/jmes.2018.9.1.2
出版社：University of Mohammed Premier Oujda
摘要：The use of large amounts of cement quantity to increase in carbon dioxide emissions inthe world and hence an alternative binding material is required for a sustainabledevelopment. The utilization of alumina silicate materials to mostly replace cementcontent or creation of geopolymer concrete is a noteworthy improvement towards thegainful utilization of modern waste items. Alumino silicates, for example, fly ash, blastfurnace slag and metakaolin can be actuated utilizing soluble arrangements of hydroxideand silicates of Sodium or potassium to deliver cement free binders. In this experimentalstudy, Geopolymer mortar specimens were prepared with fly ash and activated withNaOH 6M and 8M solution. Effect of particle size of raw flyash (RFA), particles sizedless than 45 μsieved fly ash (SFA) concentration of NaOH (6M, 8M) and varying curingmethods and temperatures are curing at ambient temperature, oven curing at 60oC, 80oC,Steam Curing at 60oC, 80oC were the parameters considered. The RFA mortar specimenscasted with 8M NaOH solution utilizing normal Curing indicates 12% more compressivestrength compared to mortar samples activated with 6M NaOH solution. The SFA mortarspecimensshows 5% increase in compressive strength under the same conditionsimplying the effect of particle size on the compressive strength development. Specimensprepared with 45μ sieved fly ash developed higher strength compared to specimensprepared with raw fly ash. In the present study there is a particular instance of aconceivable modern use of these new materials in the segment of precast industry.
