东海大桥8×50m顶推箱梁施工技术  

Construction Techniques for 8×50 m Incrementally Launched Box Girders of Donghai Bridge

作　　者：刘晓霞[1] 邱琼海[1] 张建红[1] 郑机[1] 

机构地区：[1]中铁大桥局集团有限公司东海大桥项目部,上海201308

出　　处：《世界桥梁》2004年第B09期66-69,81,共5页World Bridges

摘　　要：对国内目前正在建造的首座跨海大桥—东海大桥近岛段顶推箱梁施工进行了介绍和讨论,尤其对该箱梁的顶推设施及工艺作了详细介绍。为具有大跨度、平曲线、竖向坡的长联顶推梁施工提供了成功经验。This paper describes and discusses the construction, particularly the launching equipment and construction technology, of the incrementally launched box girders close to the island side of Donghai Bridge, the first bridge now being built over sea in China. The construction herewith provides successful experiences for construction of the incrementally launched girder sarranged in long continuous units with long spans, horizontal curves and vertical gradients.

关 键 词：跨海大桥 预应力混凝土梁 箱形粱 施工设备 施工工艺 顶推法施工 

分 类 号：U445.462[建筑科学—桥梁与隧道工程]