化工矿物与加工2025，Vol.54Issue(7)：32-40,9.DOI:10.16283/j.cnki.hgkwyjg.2025.07.005
钢渣激发硅锰渣基泡沫混凝土性能研究
Study on the performance of silicomanganese slag-based foam concrete activated by steel slag
摘要
Abstract
The efficient utilization of industrial solid waste is one of the important research direction in the field of green building materials.In this paper,the control effect of steel slag as an alkaline activator on the performance of foam concrete based on silicon manganese slag was investigated,and the optimal ratio and fineness parameters were selected.The foam concrete was prepared by mixing 38 μm and 25 μm steel slag micropowder with silicon manganese slag micropowder at the mass ratio of 1∶2 and 1∶1 respectively,partially replacing cement,and its dry density,thermal conductivity,mechanical properties,water absorption,combustion performance,frost resistance,pore struc-ture,mineral composition and microscopic morphology were systematically studied.The results show that all samples have the dry density grade of A08,the strength grade of C2,the water absorption grade of W25 or above,and the combustion performance grade of A1,making them non combustible materials;After freeze-thaw cycles,the com-pressive strength decreases by 8.0%-15.0%,and the quality loss is 4.2%-5.0%;The sample pores are mainly transition pores(46%-66%)and capillary pores(23%-34%);The sample prepared with 38 μm steel slag powder and silicomanganese slag powder(mass ratio 1∶2)has the best comprehensive performance,its C-S-H gel network is compact,and the pore distribution is uniform.The research results can provide new ideas for the efficient utilization of silicon manganese slag and steel slag,as well as the development of green building materials.关键词
泡沫混凝土/硅锰渣/钢渣/激发剂/冻融循环/抗压强度/燃烧性能/微观形貌Key words
foam concrete/silicon manganese slag/steel slag/activator/freeze-thaw cycle/compressive strength/combustion performance/microscopic morphology分类
矿业与冶金引用本文复制引用
耿克达,胡道庆,张文静..钢渣激发硅锰渣基泡沫混凝土性能研究[J].化工矿物与加工,2025,54(7):32-40,9.基金项目
安徽省国家级大学生创新创业训练计划项目(202310360047) （202310360047）
张家港市科技计划校企合作产学研前瞻性项目预研阶段(高校院所)(ZKYY2413). （高校院所）
