高速公路改扩建方案的优缺点及工程问题分析

Analysis on Advantages and Disadvantages of Expressway Renovation and Expansion Program and the Engineering Problems

文章基于高速公路扩建施工的基本原则,介绍了单侧扩宽、双侧扩宽和混合扩宽三种高速公路改扩建方案,分析了各种方案的优缺点,并提出了高速公路改扩建工程存在的问题及应对措施。

This article,based on the fundamental principles of expressway expansion construction,intro-duced three expressway renovation and expansion programs,i.e.unilateral widening,bilateral widening and mixed widening,analyzed the advantages and disadvantages of various programs,and proposed the existing problems of express renovation and expansion engineering as well as the corresponding countermeasures.