大纵坡与大横坡40m箱梁架设的标准化施工技术
【摘要】本文采用了理论与实践相结合的研究方式,重点分析了大纵坡与大横坡箱梁施工的工艺原理、技术特点、施工难点,并以此为基础提炼、总结了相关工程的技术流程与保障措施。能够为相似工程箱梁的架设与安装提供经验参考。
【关键词】箱梁架设;大纵坡;大横坡;支座安装
【DOI编码】10.3969/j.issn.1674-4977.2023.01.056
Standardized Construction Technology for Erection of 40 m Box Girder with Large Longitudinal and Cross Slopes
ZHANG Jing
(China Railway 22nd Bureau Group No.2 Engineering Co.,Ltd.,Beijing 100000,China)
Abstract:This paper adopts the research method combining theory and practice,focuses on the analysis of the construction of large longitudinal slope and large cross slope box girder technology principle,technical characteristics, construction difficulties,and on this basis,summarizes the technical process and safeguard measures of related projects. It can provide experience reference for the erection and installation of box girder in similar projects.
Key words:box girder erection;large longitudinal slope;large transverse slope;installation of support
1工程概述
江苏南沿江城际高速铁路NYJZQ-7标段主要为桥梁工程,跨京沪高速公路特大桥和跨疏港公路特大桥。(剩余4728字)