稀索转体斜拉桥主梁采用支架法施工的技术要点  

Technical Points for Main Beam of Rotational Cable-stayed Bridge with Rare Stay Cables Constructed by Support Method

作　　者：宋杰[1] 李艳哲[1] 

机构地区：[1]中铁大桥局集团一公司,河南郑州450053

出　　处：《公路交通技术》2004年第2期61-63,66,共4页Technology of Highway and Transport

摘　　要：稀索转体斜拉桥主梁具有其独特的结构特点和施工要求 ,采用支架法施工主梁时 ,对此应给予高度重视 ,以保证施工过程中支架及梁体的结构安全。本文根据某桥的施工实践 。Main beam of rotational cable-stayed bridge with rare stay cables has the unique structural characteristics and construction requirements, which should be paid much attention when main beam is constructied by support method, so as to ensure the structural safety of the support and beam during construction. This paper introduces the technical points of the main beam of a bridge constructed by the supports with fully paved steel tubes.

关 键 词：稀索转体斜拉桥 满铺支架 桥梁加固 主粱施工 

分 类 号：U448.27[建筑科学—桥梁与隧道工程]