C80高强混凝土在500 m超高层建筑地下空间工程中的应用  

Application of C80 High Strength Concrete in Underground Space Engineering of 500 m Super High-rise Building

作　　者：刘星 潘峰 徐进 LIU Xing;PAN Feng;XU Jin(Shanghai Construction No.5(Group)Co.,Ltd.,Shanghai 200063,China)

机构地区：[1]上海建工五建集团有限公司,上海200063

出　　处：《建筑施工》2022年第8期1783-1785,共3页Building Construction

摘　　要：针对南京第一高楼地下空间施工过程中出现的C80混凝土施工难度高、浇筑量大、冬季施工等难点,从施工工艺、混凝土配合比、性能指标控制、混凝土输送泵的布置和浇筑能力计算、混凝土振捣、养护等方面,提出针对性的措施,为C80在该项目工程中的应用提供了有力支撑。In view of the difficulties of C80 concrete construction, such as high construction difficulty, large pouring volume and winter construction in the construction of the underground space of Nanjing’s tallest building, the targeted measures are put forward from the aspects of construction technology, concrete mix proportion, performance index control, concrete transfer pump layout and pouring capacity calculation, concrete vibration and curing, which provides a strong support for the application of C80 in the project.

关 键 词：超高层建筑 C80混凝土 地下空间工程 浇筑能力计算 

分 类 号：TU755[建筑科学—建筑技术科学]