广州新机场高速三元里立交结构设计简介

Brief Introduction of Structure Design of Guangzhou New Airport Expressway Sanyuanli Interchange

三元里立交工程是广州市区连接白云国际机场高速公路的枢纽立交,该文介绍了工程在总体设计方面如何协调周边环境因素、符合规划交通功能及满足技术标准,在结构设计方面根据总体设计,针对各种不同条件采取不同的结构型式,着重分析设计的重点、难点,可供城区立交类似工程借鉴。

The Sanyuanli Interchange Project is the hub interchange of the expressway connecting Guangzhou City area with Baiyun International Airport.The article introduces how to coordinate the perimeter environmental factors and to comply with the planned traffic functions and to meet the technical standard in the overall design of the project.Based on the overall design and in the light of various different conditions,the different structural types are adopted in the structure design.The article mainly analyzes the focal points and difficulties of the design able to he used for the similar projects of the urban interchanges for reference.