宋家庄川特大桥桥式方案比选

Comparison of Bridge Type Schemes for Songjiazhuang Chuan Extra-long Bridge

桥式方案选择是铁路勘察设计中的重要内容。本文以和邢铁路宋家庄川特大桥为工程实例,针对连续刚构、简支箱梁两种桥式方案,从梁部结构设计、施工难易程度、工程造价等多方面进行综合比较,选择出较为合理的桥式方案,为其他相似工程提供参考。

Bridge type scheme selection is the important content in the railway survey and design. In this article, Taking Hexing RailwaySongjiazhuangchuan extra-long bridge as the project background, In view of the continuous rigid flame and the simply-supported box girder, acomparison is made from beam structure design, the degrees of difficulty in construction, construction cost and other aspects, a comparativelyreasonable bridge type scheme is finally opted, provide the reference for other similar projects.