缓凝剂作用机理及对水泥混凝土性能影响  

Function Mechanism of Retarding Agent and Its Influences on Properties of Cement Concrete

作　　者：王振军[1] 何廷树[2] 

机构地区：[1]长安大学特殊地区公路工程教育部重点实验室,西安市710064 [2]西安建筑科技大学建筑材料研究所,西安市710055

出　　处：《公路》2006年第7期149-154,共6页Highway

摘　　要：根据化学成分的不同,将缓凝剂分为无机缓凝剂和有机缓凝剂两种,介绍了其典型类型的性能;论述了无机缓凝剂和有机缓凝剂的作用机理;研究了两类缓凝剂对混凝土拌和物凝结时间、工作性能和硬化混凝土强度、耐久性能的影响,得出了影响规律;提出了缓凝剂用于道路水泥混凝土工程的注意事项。According to different chemical components of retarding agent, the retarding agents are divided into inorganic retarding agent and organic retarding agent; properties of their typical kinds introduced; function mechanism of the two kinds discussed; their influences on setting time and workability of fresh concrete and strength and durability of hardened concrete studied and notice items in road cement concrete engineering using retarding agents put forward.

关 键 词：道路工程 缓凝剂 机理 水泥混凝土 性能 

分 类 号：TU528.042.3[建筑科学—建筑技术科学]