盐港东立交节段预制拼装箱梁设计  

Design of Box Girder Using Segmental Precast Construction Method for Yangang Eastern Overpass

作　　者：周浩 Zhou Hao(Shanghai Municipal Engineering Design General Institute(Group)Co.,Ltd.,Shanghai 200092,China)

机构地区：[1]上海市政工程设计研究总院(集团)有限公司,上海200092

出　　处：《城市建筑》2020年第9期158-160,共3页Urbanism and Architecture

摘　　要：节段预制拼装箱梁在工厂预制、现场安装方面,具有施工速度快、施工质量好的特点,在城市中,它能大大降低对现有交通的干扰和对周边环境的影响。盐港东立交是深圳市首次采用节段预制技术拼装箱梁的城市立交。本文以盐港东立交为例,通过介绍其主要构造、计算分析、施工工艺等,以期为今后同类型桥梁的设计提供参考。Box girder using segmental precast construction is prefabricated in the factory and installed on site,which has the characteristics of fast construction speed and good construction quality.In the city,it can greatly reduce the interference to the existing traffic and the impact on the surrounding environment.Yangang eastern overpass is the first time that Shenzhen has adopted segmental prefabricated box girder in urban interchange.This paper introduces its main structure,calculation analysis and construction technology,which can provide a reference for the design of the same type of bridge in the future.

关 键 词：节段预制拼装 体外预应力 逐跨拼装 短线预制法 

分 类 号：U445[建筑科学—桥梁与隧道工程]