高速铁路大跨度站内高架桥设计研究
Study on the Design of Viaduct in Long-span Station
刘远长 1倪顺天 2金令 1崔本超3
作者信息
- 1. 中铁工程设计咨询集团有限公司,北京 100055
- 2. 上海铁路枢纽工程建设指挥部,上海 200030
- 3. 中铁十四局集团第二工程有限公司,山东泰安 271021
- 折叠
摘要
随着高速铁路的发展,一些车站成为多线交汇的枢纽站,形成上下多层的车站格局.站房布局对土地资源的集约有较高要求,越来越多的枢纽车站采用"桥建合一"的站房形式.高架站内的桥梁既要满足跨越需求,又要满足站房总体布局及乘客通行的需求,故选择适合的桥式方案是设计的关键.以南通至宁波高速铁路苏州南站为例,通过分析不同桥式方案的经济技术,并结合桥式方案对站台梁的结构形式进行分析研究,最终提出一种站台与轨道合建的站线整体式预应力混凝土连续刚构的桥式方案,并成功运用到工程实践当中.本工程采用的主跨 128 m的站线整体式桥梁结构丰富了大跨度桥梁结构在高架站中的应用,为"桥建合一"高架站的设计提供了一种新的思路.
Abstract
With the development of high-speed railway,many stations became multi-line junction stations,forming a multi-level station pattern.The layouts of station buildings have higher requirements for the intensification of land resources,and more and more hub stations have adopted the form of"building-bridge integration"station.The bridge in the elevated station not only needs to satisfy the crossing requirement,but also needs to satisfy the overall layout of the station building and the needs of passengers,which results in the selection of the scheme become the key point of design.Taking Nantong to Ningbo high-speed railway Suzhou South Station as an example,this paper determined the optimal bridge scheme through the economic and technical analysis of different bridge schemes.Combined with the bridge scheme,the design scheme of different types of platform beams was studied.Finally,the prestressed concrete continuous rigid frame with platform and tracks integrated was proposed and successfully applied to engineering practice.The integrated bridge structure with the main span of 128 m was used in this project to enrich the application of the long-span bridge structure in the elevated station,and provided a new way of thinking for the design of"building-bridge integration"elevated station.
关键词
高速铁路/高架站/桥建合一/大跨度桥梁结构Key words
high-speed railway/elevated station/building-bridge integration/long span bridge structure引用本文复制引用
出版年
2024
NETL
NSTL
万方数据