摘要
G22青兰高速巉柳五十五桥为钢筋混凝土拱桥,现已不能满足设计荷载等级要求,论文结合该桥梁的应急抢修工程,分别从方案比选、主要材料、钢梁制作、施工步骤等方面详细阐述了工字钢-钢混组合梁在危桥抢修中的应用。
The Chanliu No.55 Bridge in G22 Qinglan highway is a reinforced concrete arch bridge,it can not meet the design load grade requirements.Based on the emergency repair project of the bridge,this paper expounds the application of I-steel and steel-mixed composite beam in the emergency repair of the dangerous bridge from the aspects of scheme comparison,main materials,steel beam making and construction steps.
作者
李丹
LI Dan(Gansu Borui Transportation Heavy Equipment Manufacturing Co.Ltd.,Lanzhou 730000,China)
出处
《工程建设与设计》
2022年第7期104-106,共3页
Construction & Design for Engineering
关键词
危桥抢修
钢结构桥梁
方案比选
施工
emergency repair of dangerous bridges
steel structure bridge
scheme comparison and selection
construction
