Effect of Modification at High Temperature on the Hydration Behaviors of Steel Slag

摘要：

Steel slag can be divided as basic oxygen furnace steel slag and electric arc furnace steel slag (EAFSS). The former one, also called steel slag, constitutes the majority of steel slag in China. This paper is dedicated to study the effect of high temperature modification with the aid of added EAFSS on the hydration behaviors of steel slag. The results show that RO phase can be transformed to pleonaste during the modification process, and the autoclave soundness of the modified steel slag (MSS) can meet the GB/T750-92 requirement. The heat evolution behaviors of MSS is similar to that of a typical Portland cement paste; the hydration rate of MSS is higher than that of OSS either at early ages or at later ages. The hydration products of cement with 30 mass％ ground MSS are nearly the same as those of Portland cement except pleonaste involved.

关键词： steel slag modified steel slag hydration modification

作者: J.X. Li Q.J. Yu J.X. Wei H.J. Zhao G Zhong Sh. Li

作者单位: School of Materials Science and Engineering, South China University of Technology, Guangzhou 510640 School of Materials Science and Engineering, South China University of Technology, Guangzhou 510640

会议类型: 国际会议

会议名称: The 7th International Symposium on Cement & Concrete(ISCC2010)、The 11th International Conference on Advance in Concrete Technology and Sustainable Development(第七届水泥与混凝土国际会议暨第11届混凝土技术可持续发展国际会议)

会议地点: 济南

会议语种:英文

页码: 120-126

在线出版日期: 2010-05-09（万方平台首次上网日期，不代表论文的发表时间）