沌口长江公路大桥超长斜拉索施工工艺  

Construction Technology of Super Long Stay Cable of Zhuankou Yangtze River Highway Bridge

作　　者：晏国泰 胡先朋 吴征宇 YAN Guotai;HU Xianpeng;WU Zhengyu(CCCC Wuhan Harbour Engineering Design and Research Co.,Ltd.,Wuhan,Hubei 430040,China;Hubei Key Laboratory of Advanced Materials&Reinforcement Technology Research for Marine Environment Structures,Wuhan,Hubei 430040,China;Xinhua Economic Development Zone Investment&Development Co.,Ltd.,Xinhua,Hunan 417600,China)

机构地区：[1]中交武汉港湾工程设计研究院有限公司,湖北武汉430040 [2]海工结构新材料及维护加固技术湖北省重点实验室,湖北武汉430040 [3]新化经济开发区投资开发有限责任公司,湖南新化417600

出　　处：《施工技术》2020年第11期37-39,59,共4页Construction Technology

摘　　要：介绍了沌口长江公路大桥主桥斜拉索施工,着重介绍了超长斜拉索施工的特点、关键设备和施工工艺;采用索头索夹,有效保护了斜拉索PE;采取多重防旋转措施,有效保证了施工作业安全;同时,实现了4d/节的施工目标。This paper introduces the construction of stay cables for the main bridge of Zhuankou Yangtze River Highway Bridge.The characteristics,key equipment and construction technology of super long stay cable are emphatically introduced.The cable head clip is used to effectively protect the cable PE.Multiple anti-rotation measures are taken to effectively ensure the safety of construction operation.At the same time,the construction target of 4d/section is achieved.

关 键 词：桥梁工程 斜拉桥 斜拉索 防旋转措施 施工技术 

分 类 号：U448.27[建筑科学—桥梁与隧道工程]