工业技术创新2016，Vol.3Issue(6)：1069-1072,4.DOI:10.14103/j.issn.2095-8412.2016.06.003
大跨度预应力混凝土连续梁0#段施工控制技术--以纳雍特大桥为例
Construction Control Technology of 0# Segment in Large Span Pre-stressed Concrete Continuous Beam--A Case Study on Nayong Grand Bridge
曾招雄1
作者信息
- 1. 中铁十五局集团第一工程有限公司，陕西西安，710018
- 折叠
摘要
Abstract
The 0# segment is an important structure connecting bridge pier and continuous beam, its construction control has great influence on the performance of bridge. Nayong grand bridge is taken as an example to carry out its construction method combined with the general situation of the project and the characteristics of large span pre-stressed concrete continuous beam. Also, numerical simulation is implemented on stress analysis of its bracket structure. The analysis results show that, the maximum stress the slant leg, longitudinal beam and transverse distributed beam might endure is less than 80% of the allowable value; shear bearing capacity of the tie rod is more than 3 times the design value. There happens no safety accident in the construction process, indicating that the construction control strategy can meet the requirements of the high altitude and complex terrain in the mountainous area, which provides valuable experiences for the construction of other similar bridges in China.关键词
连续梁/0#段/托架/施工控制/应力分析/数值模拟Key words
Continuous Beam/0# Segment/Bracket/Construction Control/Stress Analysis/Numerical Simulation分类
建筑与水利引用本文复制引用
曾招雄..大跨度预应力混凝土连续梁0#段施工控制技术--以纳雍特大桥为例[J].工业技术创新,2016,3(6):1069-1072,4.
