建筑垃圾的活性激发及制备蒸养砖  

ACTIVATION OF CONSTRUCTION WASTE AND PREPARATION OF AUTOCLAVED BRICK

作　　者：金彪 徐卓越 杨留栓 汪潇[1] 岳仔豪 畅祥祥 JIN Biao;XU Zhuo-yue;YANG Liu-shuan;WANG Xiao;YUE Zi-hao;CHANG Xiang-xiang(School of Materials and Chemical Engineering,Henan University of Urban Construction,Pingdingshan 467036,China;School of Material Science and Engineering,Henan University of Science and Technology,Luoyang 471003,China)

机构地区：[1]河南城建学院材料与化工学院,河南平顶山467036 [2]河南科技大学材料科学与工程学院,河南洛阳471003

出　　处：《环境工程》2019年第7期190-193,129,共5页Environmental Engineering

基　　金：2017年河南省新型墙体材料专项基金“建筑垃圾微粉-再生砂高强砖的制备研究”(豫财建[2017]189号)

摘　　要：为实现建筑垃圾的资源化利用,采用SEM、XRF、XRD等分析测试技术,研究了建筑垃圾微粉的颗粒形貌、化学成分、矿物组成等相关性质。选用Ca(OH) 2、Na 2SO 4、CaCl 2为激发剂,在相同条件下激发建筑垃圾的活性,以建筑垃圾为主要原料,采用压制成型的方法制备蒸压砖,以蒸养砖的强度来评价激发效果。结果表明:Ca(OH) 2激发效果较好,建筑垃圾总用量达到90%,制备的蒸压砖强度达到MU15等级。In this paper,to achieve the effective utilization of construction waste,the morphology,chemical composition and mineral composition of the construction waste powder were investigated by means of SEM,XRF and XRD.Ca(OH)2,Na 2SO 4 and CaCl2 were chosen to activate the construction waste and their activating effect was quantified by strength of the autoclaved bricks made with different activators under the same condition.The results showed that Ca(OH)2 was the preferable activator with the highest performance.The bricks can be produced via pressure molding method,using construction waste powder as the starting materials.The dosage of building waste can be as high as 90%.The strength of autoclaved brick met the technical requirements of grade MU15.

关 键 词：建筑垃圾 蒸养砖 活性激发剂 力学性能 

分 类 号：X799.1[环境科学与工程—环境工程]