钢管拱肋砼灌注施工技术钢管拱肋砼灌注施工技术 摘要:随着我国桥梁建设的不断进展,钢管拱桥在桥梁建设中的应用越来越广泛,而钢管砼灌注的密实性成为拱桥施工的关键
本文从钦江特大桥钢管拱肋砼施工过程,详细介绍了钢管拱肋砼施工技术
关键词: 钢管拱 ; 砼 ; 施工技术 Abstract: with the continuous development of bridge construction in our country, the application of CFST arch bridge in bridge construction is more and more widely, and the compactness of concrete filled steel tube arch bridge construction of perfusion becomes the key
This paper from the steel Qin River bridge arch rib concrete construction, introduces the construction technology of steel tube arch rib concrete
Keywords: steel pipe arch; Concrete; The construction technology 中图分类号:U445
4 文献标识码:A 文章编号:2095-2104(2025) 工程概况 钦江特大桥主桥为中承式钢管砼拱桥,计算跨径 252m,主桥长269m
钢管砼拱肋采纳变高的钢管砼桁架结构
全桥共设两片拱肋,单片拱肋采纳变高度四管桁式截面,宽 3 米,拱顶截面高 5
5m,全桥共 8 根主弦管,需灌注 C50 微膨胀砼 2447 m 3
1、灌注顺序 根据