碾压混凝土高坝防渗工艺研究  

Study on the Seepage Control Techniques of High RCC Dam

作　　者：陈炎平 

机构地区：[1]四川尼日河流域实业开发有限责任公司,四川成都610071

出　　处：《水力发电》2006年第2期30-32,66,共4页Water Power

摘　　要：碾压混凝土高坝防渗和层间结合是大坝设计的关键技术问题,也是限制碾压混凝土薄拱高坝发展的瓶颈。经过对大量的碾压混凝土室内和工程试验结果的分析,提出掺矿物纤维变态混凝土、防渗区层面喷洒层间结合剂和表面涂抹渗透结晶型防渗涂料的联合防渗工艺思路,可增强碾压混凝土抗拉强度、层间抗剪强度和抗渗性能,形成性能高、工艺简化的碾压混凝土高坝防渗结构体系。The seepage control and the interbedded binding of high RCC dam are key technical problems for the construction of RCC high dam and also are the ＂bottleneck＂ of the development of high and thin RCC dam. Through the analysis on a lot of indoor and engineering experimental results on RCC, this paper presents the technical methods through mixing, spraying and painting, which took consider into the following factors： mineral fiber distorted concrete, interbedded binding material, impervious crystal seepage control paint. By applying new-fashioned materials to strengthen RCC tensile strength, interbedded shear strength and impervious characteristics, which constituted imperious structure system of high RCC dam. The less quantity, high quality and simple techniques are the characteristics of system.

关 键 词：碾压混凝土坝 高坝 防渗措施 矿物纤维变态混凝士 层间结合剂 渗透结晶型防渗涂料 

分 类 号：TV642.2[水利工程—水利水电工程] TU528.32[建筑科学—建筑技术科学]