云南小湾大桥关键施工工艺  

Critical Construction Technologies of Yunnan Xiaowan Bridge

作　　者：周泳涛 周军生[2] 周洲[2] 李军成 杜健 

机构地区：[1]云南省公路规划勘察设计院,云南昆明650011 [2]北京建达道桥咨询有限公司,北京100101 [3]中铁大桥局集团有限公司,湖北武汉430050

出　　处：《桥梁建设》2002年第6期54-57,共4页Bridge Construction

摘　　要：云南小湾大桥主桥为 130m的悬链线无铰钢箱提篮拱桥。针对全桥施工方案、施工步骤、基础大孔径挖孔桩 (4 .6m)施工方案、桩基础与主拱连接构造、主拱圈施工工艺、吊杆施工、钢箱排架的施工、钢箱拱和钢箱排架的加工步骤等所采取的相应工艺措施 。The main span of Yunnan Xiaowan Bridge is designed as a 130 m hingeless cantenarian basket handle arch bridge. In this paper, details of the construction of the bridge main span is described, which includes construction scheme of the overall project, construction procedures, large diameter (  4.6 m) excavated pile foundation, connection between pile foundation and arch, workmanship of arch rib, construction of tie rod and steel box trestle, fabrication of steel box arch and steel box trestle, and other workmanship related to.

关 键 词：云南小湾大桥 施工工艺 拱桥 中承式桥 提篮拱 桥梁施工 

分 类 号：U448.22[建筑科学—桥梁与隧道工程] U445[交通运输工程—道路与铁道工程]