科技创新与应用2025，Vol.15Issue(8)：184-187,4.DOI:10.19981/j.CN23-1581/G3.2025.08.042
大跨度钢箱梁步履式顶推姿态的影响因素分析及预防措施
刘勇鑫1
作者信息
- 1. 中铁二十二局集团第一工程有限公司,哈尔滨 150000
- 折叠
摘要
Abstract
In modern bridge construction,walking pushing technology is widely used in the construction of large-span steel box girders because of its advantages of little impact on the construction environment and high construction efficiency.However,the attitude adjustment of the steel box girder during the pushing process is a key technical problem to ensure the safety of the bridge structure and the accurate alignment of the completed bridge.Based on the steel box girder jacking project of Beihu Bridge across the Beihu Railway,this paper conducts an in-depth study on the influencing factors of the attitude adjustment technology of large-span steel box girders by walking jacking.This paper first summarizes the basic principles,construction procedures and key technical points of the walking pushing construction technology,and then expounds in detail the reasons that affect the pushing attitude of the steel box girder.By analyzing the reasons for the influence,corresponding solutions are put forward to ensure the accuracy and structural safetyof attitude adjustment.关键词
步履式顶推技术/大跨度钢箱梁/姿态调整/累积滑移/液压同步滑移系统Key words
walking pushing technology/large-span steel box girder/attitude adjustment/cumulative slip/hydraulic synchronous slip system分类
交通工程引用本文复制引用
刘勇鑫..大跨度钢箱梁步履式顶推姿态的影响因素分析及预防措施[J].科技创新与应用,2025,15(8):184-187,4.
