粉煤灰对高性能混凝土工作性的影响  

The Influence of Fly-ash on the Workability of the High Performance Concrete

作　　者：周啸尘[1] 王新友[1] 

机构地区：[1]同济大学材料科学与工程学院,200092

出　　处：《粉煤灰综合利用》2003年第2期27-30,共4页Fly Ash Comprehensive Utilization

摘　　要：研究了低水胶比下粉煤灰的等级和掺量对混凝土的流动性、稳定性 (抗离析性 ,抗泌水性 )及坍落度损失的影响规律。根据试验结果 。Under low water binding materials ratio, the influence law of fly ash grade and content on the fluidity, stability (anti segregation and anti bleeding) and slump loss of the concrete is studied, by the experiment results, the mechanism about fly ash affecting the workability of HPC is discussed.

关 键 词：粉煤灰 高性能混凝土 坍落度损失 流动性 稳定性 

分 类 号：TU528.31[建筑科学—建筑技术科学]