自流平粉煤灰混凝土抗折强度试验研究  

Investigation on the Test of Flexural Strength of Self-Compacting Fly-Ash Concrete

作　　者：张清晓 

机构地区：[1]郑州市建筑设计院,郑州450052

出　　处：《河南科学》2011年第1期49-51,共3页Henan Science

基　　金：河南省自然科学基金项目(0411050900)

摘　　要：通过100 mm×100 mm×400 mm的自流平混凝土小梁抗折试验,探讨了粉煤灰置换率以及成型方式对自流平混凝土弯曲性能的影响,分析了粉煤灰对自流平混凝土抗折强度的影响机理.结果表明,自流平混凝土28d抗折强度整体上随着粉煤灰置换率的增加而降低;机械振捣不利于自流平混凝土的抗折强度.Based on the test of flexural strength of self-compacting fly-ash concrete beam specimens with the size of 100 mm×100 mm×400 mm,how bending properties of self-compacting fly-ash concrete can be influenced by fly-ash replacement ratio and molding way has been studied.And influence mechanism of fly-ash on self-compacting concrete has been analyzed.The results show：Flexural strength of self-compacting concrete for 28 days decrease as fly-ash replacement ratio increase;Mechanical vibrating goes against flexural strength of self-compacting concrete.

关 键 词：自流平混凝土 抗折强度 弯曲性能 

分 类 号：TU528.53[建筑科学—建筑技术科学]