三峡工程大坝混凝土施工新技术.pdfVIP

28 2 2008 4 Vol. 28 No. 2 Advances in Science and Technology of Water Resour ces Apr. 2008 三峡工程大坝混凝土施工新技术 周厚贵 , 443002) : 介绍在三峡工程混凝土施工中根据工程需要采取的引进吸收再创新和自主创新的方法 施 的许多新技术, 如混凝土建筑原材料水平及垂直输送技术模板技术钢筋连接技术温控防裂技 术等, 这些新技术的应用均获得了提高质量加快进度等综合效益, 也是近年来水利水电行业混凝 土施工技术的典型成果, 可为今后我国大中型水电工程混凝土施工提供借鉴 : 混凝土施工; 技术创新; 三峡大坝; 水工建筑物 :TV52 : B : 2008) New technology of concrete construction in Three Gorges Project/ / ZHOU Hougui ( China Gezhouba Group Corp oration, Yichang 443002, China) Abstract: New domestically developed technologies as well as some advanced technologies obtained from foreign countries and then enhanced by further innovation have been used in the concrete construction of the Three Gorges Project . Comprehensive benef its have been achieved by application of these new technologies, including new raw materials for concrete construction, horizontal and vertical transportation , newly developed formwork, steel reinforcement connection, the anticracking and temperature control method , etc. These new technologies are typical productions of concrete construction in w ater resources and hydropow er industries in recent years and they w ill provide some experiences for concrete construction of large and middlescale hydroprojects in future. Key words: concrete construction; technological innovation ; Three Gorges Proj ect; hydraulic structure 3 2794 m 1 3 , 11 185m, 181m, 40 m, , 134 m, 2 30947m , , 483m, 23 22 , ; , 1085m , 32 , 700 MW 22 400MW , 847 kW h 1 12 1