高速公路新增及改造互通式立交设计要点

The Designing Key Points of Newly Adding or Remodeling Interchanges in Highway

本文对高速公路上新增及改造互通式立交的原因进行分析,对该类工程类型进行归纳,结合工程实例,详细论述了互通式立交设计中路网分析、方案选取、交通组织及保通、施工组织等方面的方法,为类似工程项目提供借鉴。

This article analyzes the reasons for newly adding or remodeling interchanges in highway,and sums up the forms of them.The methods of interchange designing are discussed,including highway network analysis,plan selection,traffic organization and unimpeded maintenance,construction organization.The project examples are combined which could provide reference for similar engineering projects.