预应力葵花拱桥结构设计  

Structure Design of Pre-stressed Sunflower-shaped Arch Bridge

作　　者：金文成[1] 赵弘尧[2] 白金增[1] 秦波[1] 

机构地区：[1]华中科技大学,湖北武汉430074 [2]武汉理工大学,湖北武汉430070

出　　处：《城市道桥与防洪》2012年第1期45-47,7-8,共3页Urban Roads Bridges & Flood Control

摘　　要：宣恩县三河沟桥是一座结构新颖的预应力葵花拱桥。介绍了其结构特点和设计,并利用有限元程序对其进行了受力性能分析。计算结果表明宣恩县三河沟桥在设计荷载作用下的强度、挠度等计算结果均满足要求,对国内同类型桥梁设计具有一定参考作用。Sanhegou Bridge in Xuanen County is a new structure of pre-stressed sunflower-shaped arch bridge.The article introduces its structural characteristics and design,and analyzes its stress performance by the finite element program.The calculation result shows that Sanhegou Bridge in Xuanen County can satisfy the requirements of strength,deflection and so on under the design load,which has a certain reference for the design of the same bridges in China.

关 键 词：预应力混凝土 葵花拱 结构设计 

分 类 号：U448.22[建筑科学—桥梁与隧道工程]