硅灰裹砂法对混凝土性能的影响研究  

Effect of sand coated by silica fume permeability of concrete

作　　者：刘茉莉[1] 杨万斌[1] 刘永清[1] 李帅[1] 李凯[2] 白金剑[1] 

机构地区：[1]河北工程大学,河北邯郸056038 [2]北京工业大学,北京100124

出　　处：《混凝土》2011年第6期149-150,共2页Concrete

摘　　要：硅灰裹砂法是一种新的搅拌工艺,本研究简单介绍了硅灰裹砂法在混凝土中的作用机理,着重研究硅灰裹砂法对混凝土性能的影响。研究结果表明：在不改变机械设备,不增加人力、物力的前提下,硅灰裹砂法较常规方法对掺硅灰混凝土力学性能提高10%~20%,并显著地提高了混凝土抗氯离子渗透性能。Sand coated by silica fume is a newly agitate technology,this study briefly introduce the role mechanism of sand coated by silica fume,mainly focused on the effect of sand coated by silica fume on the concrete.Results show：comparing with conventional method,the silica fume concrete mechanic performance increase about 10%~20%,on the premise of not changing the machinery equipment,not increasing the labor and material.At the same time,the method sand coated by silica fume greatly enhancing impermeability of concrete,the coagulation materials response and the mixture work-ability.

关 键 词：硅灰裹砂法 硅灰 氯离子 

分 类 号：TU528.56[建筑科学—建筑技术科学]