浅谈高速公路上跨天桥合理选型

Discussion on rational type for over-pass of highway

结合佛开高速公路、茂湛高速公路等上跨天桥的工程实践，通过桥梁的技术、艺术、经济效益以及设计、施工等方面，谈谈高速公路上跨天桥的合理选型。

Combined with experiences of over-pass of Fokai and Maozhan highway, it discusses rational type of over-pass of highway from technology、art、econornic benefit、design、construction.