摘要
互通式立交作为高速公路的重要组成部分,其改扩建往往成为整个工程的重难点。对总发枢纽互通在改扩建过程中遇到的实际问题进行了总结,并针对互通式立交改扩建中的规划、立交方案选择、安全性评价、保通方案等方面提出基本的技术见解。
Interchange is an important part of expressway,and its reconstruction and expansion often become the key and difficult point of the whole project.In this paper,the practical problems encountered in the process of reconstruction and expansion of the interchange of the main transmission hub are summarized. The basic technical opinions on interchange reconstruction and expansion planning,interchange scheme selection,safety evaluation,and interchange protection scheme are put forward.
出处
《建筑技术开发》
2019年第8期19-21,共3页
Building Technology Development
关键词
互通式立交
改扩建
交通量
安全性评价
interchange
renovation and expansion
traffic volume
safety evaluation
作者简介
王海珠(1987-),男,安徽砀山人,工程师,主要研究方向为公路设计。