Influence of the Slag Replacement Percentage on the Compressive Strength and Products of Slag Based Geopolymers

摘要：

The slag based geopolymers materials are synthesized at ambient temperature by using fly ash (FA) and ground granulated blast furnace slag (GGBFS) as the main starting materials,and NaOH and soluble glass together as activators. The influence of the mix proportion between GGBFS and FA on the strength and reaction products was investigated. The products obtained were characterized by means of XRD,FTIR spectroscopy and FE-SEM coupled with EDX. The results show that a great increase in compressive strength appears when the replacement percentage of GGBFS exceeds 30wt. ％,the resultant products are mainly amorphous materials (amorphous aluminosilicate and/or C-S-H geD and much more compact,homogeneous,and uniform when the amorphous aluminosilicate is increasingly tumed into C-S-H gel with the increasing replacement percentage of GGBFS.

关键词： geopolymers ground granulated blast fumace slag compressive strength products

作者: Yang Lirong Duan Manzhen

作者单位: Hebei Province Key Laboratory of Inorganic Nonmetallic Materials,College of Materials Science and Engineering,Hebei Polytechnic University,Tangshan,Hebei,063009,China

会议类型: 国际会议

会议名称: Frist Annual Meeting on Testing and Evaluation of Inorganic Materials(第一届全国无机材料测试与评价学术年会)

会议地点: 南昌

会议语种:英文

页码: 489-492

在线出版日期: 2010-04-28（万方平台首次上网日期，不代表论文的发表时间）