东海大桥70m预制箱梁架设施工  

70m prefabricated box girder erection for Donghai Bridge

作　　者：张君武[1] 余本俊[1] 

机构地区：[1]中铁大桥局集团第四工程有限公司,南京210031

出　　处：《铁道建筑技术》2005年第3期29-32,共4页Railway Construction Technology

摘　　要：介绍了东海大桥70m预制混凝土箱梁整孔架设所用起重设备的技术参数和箱梁出海栈桥的设计要点,重点阐述了从箱梁起吊、箱梁运输、起重船抛锚定位、箱梁初步对位到箱梁精确调位各工序的施工方法,总结了箱梁架设施工中新技术的运用。The technological parameter of craning machinery for erecting 70m prefabricated concrete box girder and the main points in designing box girder trestle bridge is provided herein, with particularities on each procedure from picking up and moving box girder, crane boat anchoring, to box girder preliminary alignment and fine adjustment. The new technologies worked for box girder erection are generalized at the end.

关 键 词：架设施工 东海大桥 预制箱梁 混凝土箱梁 设计要点 技术参数 起重设备 箱梁运输 抛锚定位 施工方法 起重船 栈桥 

分 类 号：U445.46[建筑科学—桥梁与隧道工程] U445.4[交通运输工程—道路与铁道工程]