刘娟红　宋少民　王佶　籍凤秋　耿辰晓

摘　要：根据改性粉煤灰高强泵送混凝土7天、 28天扫描电镜和孔结构的分析， 探讨该混凝土的高强机理。

关键词：改性粉煤灰　泵送高强混凝土　微结构


A Study of Microstructure of High Strength Modified Fly Ash Concrete Pumped

Liu Juanhong Song Shaomin Wang Ji Ji Fengqiu Geng Chenxiao

Abstract：According to the analysis of7day and 28day scanning electron microscopc (SEM) results and 28day pore strcture for the high strength modified fly ash concrete pumped, this paper discusses the high strength mechanism of this concrete.
Key words：modified fly ash pumped high strength concrete microstructure▲