硅铁冶炼副产品硅灰在普通混凝土中应用研究  

Research on Application of Ferrosilicon Smelting by-product Silica Fume in Ordinary Concrete

作　　者：李微 罗作球 张凯峰 李磊 王双喜 丁路静 马金蕾 李永 崔龙飞 Li Wei;Luo Zuoqiu;Zhang Kaifeng;Li Lei;Wang Shuangxi;Ding Lujing;Ma Jinlei;Li Yong;Cui Longfei(China Construction West Construction North Co.Ltd.,Tianjin 300450)

机构地区：[1]中建西部建设北方有限公司,天津300450

出　　处：《江西建材》2020年第S01期13-15,18,共4页Jiangxi Building Materials

基　　金：中建西部建设北方科技研发计划资助项目,课题编号:BF202005。

摘　　要：硅灰属于硅铁工业冶炼副产品,文中对硅灰在普通混凝土中的应用做了研究。检测了硅灰的物理性能,比较分析硅灰对水泥胶砂以及混凝土工作性能和强度的影响。结果表明,硅灰的需水量较大且具有良好的火山灰活性;硅灰会对胶砂及混凝土的工作性能和抗压强度产生积极作用。Silica fume is a by-product of ferrosilicon industrial smelting.This article has done a research on the application of silica fume in ordinary concrete.The physical properties of silica fume were tested,and the influence of silica fume on the working performance and strength of cement mortar and concrete was compared and analyzed.The results show that silica fume requires a large amount of water and has good pozzolanic activity;silica fume has a positive effect on the working performance and compressive strength of mortar and concrete.

关 键 词：硅灰 粉煤灰 需水量 火山灰效应 抗压强度 

分 类 号：TU528[建筑科学—建筑技术科学]