粉煤灰综合利用 2012No.2 FLY ASH COMPREHENSIVE UTILIZATION 试验用 粉煤灰对不同胶凝体系干缩影响 Influence of Fly Ash on Shrinkage Performance of Different Cementitious System 姜保晓,徐衍昌,左俊卿2,陈逸群2 (1.中交一航局第一工程有限公司,天津300456; 2.同济大学先进土木工程材料教育部重点实验室,上海201804) 商要:采用干燥收缩试验法研究了粉煤灰对再生微粉和水泥复合胶凝体系、碱矿渣胶凝体系收缩性能的影响。 试验结果表明:粉煤灰能明显降低再生微粉和水泥复合胶凝体系、碱矿渣胶凝体系干燥收缩性能;分析了粉煤灰降低不 同胶凝体系收缩的机理。 关键词:粉煤灰;胶凝体系;收缩 中图分类号:TU528.0 文献标识码:A文章编号:1005-8249(2012)02-0018-04 Jiang Bao-xiao' ,Xu Yan-chang ,Zuo Jun-qing ,Chen Yi-qun ( NO.1 Engineering Conpany Lid of First Harbor Engineering Company Lid ,Tianjin 300456 2 .Key Laboratory of Advanced Civil Engineering Materials Tongji University ),Ministry of Education ,Shanghai 201804 ) Abstract :In this paper ,drying shrinkage test was used to study the influence of fly ash on shrinkage performance of cement-reproduction powder pound cementitious system and alkali-activated slag cementitious system .Results show that fly ash can significantly reduce the shrinkage performance of cement-reproduction powder pound cementitious system and alkali-activated slag cementitious system .The mechanism of reducing the shrinkage performance of different cementitious system by fly ash was analysed . Key wo...
粉煤灰对不同胶凝体系干缩影响.pdf
