拌合用水中Ca^(2+)和Mg^(2+)对混凝土掺用引气剂的影响  

The influence of Ca^(2+) and Mg^(2+) of mixing water to concrete mixed with air-entraining agent

作　　者：达瓦 王秀枚 

机构地区：[1]西藏自治区水利电力规划勘测设计研究院,西藏拉萨850000

出　　处：《山西建筑》2016年第1期122-123,共2页Shanxi Architecture

摘　　要：从界面活性作用、起泡作用、稳泡作用三方面,介绍了引气剂的作用机理,并通过试验,分析了水中钙离子对引气剂及其引气效果的影响,提出了降低水中钙镁离子的方法,对控制混凝土的质量起到了重要的作用。From the interface activity role,popping role,foam stability role three aspects,this paper introduced the mechanism of air-entraining agent,and through the test,analyzed the influence of calcium ion in water to air-entraining agent and its air-entraining effect,put forward the method to reduce the calcium and magnesium ions in water,played important role to control the quality of concrete.

关 键 词：混凝土 引气剂 含气量 钙离子 

分 类 号：TU528[建筑科学—建筑技术科学]