摘要
我国高速铁路大跨度桥梁越来越多,研究并选择合理的桥式方案显得十分重要。以汉十高铁崔家营汉江大桥为工程实例,对桥位方案进行研究比选,根据孔跨布置提出连续刚构拱桥、刚构斜拉桥、钢桁柔性拱桥、钢混叠合梁斜拉桥4个方案,从技术、经济、工期、维修养护等方面进行详细的分析比较,选择连续刚构拱桥方案,该方案结构刚度大,工后徐变小,经济节省,造型美观。
At present,there are more and more long-span bridges on high speed railway in our country and it is very important to choose reasonable bridge type scheme. Taking Cuijiaying Hanjiang Bridge on Wuhan-Shiyan High-speed Railway as the engineering background,this paper conducts comparison and selection of bridge location schemes. Four schemes for continuous rigid frame arch bridge,rigid frame cable-stayed bridge,steel truss flexible arch bridge and steel composite beam cable-stayed bridge are put forward based on span arrangement. Detailed analysis and comparison are made in terms of technology,economy,construction time,maintenance and so on. Continuous rigid frame arch bridge is recommended due to its big rigidity, small creep after construction, good economical effect and beautiful shape.
作者
李喜平
LI Xi-ping(China Railway Siyuan Survey and Design Group Co.,L td.,Wuhan 430063,Chin)
出处
《铁道标准设计》
北大核心
2018年第8期89-93,99,共6页
Railway Standard Design
基金
中国铁路总公司科技研究开发计划项目(2016G002-I
2017G006-O)
中铁第四勘察设计院集团有限公司科研课题(2017K005)
关键词
铁路桥
方案比选
连续刚构拱桥
刚构斜拉桥
钢桁柔性拱桥
Railway bridge
Scheme comparison
Continuous rigid frame arch bridge
Rigid frame cable-stayed bridge
Steel truss flexible arch bridge
