对运营中高速公路拓宽改造方案的论述

该文论述了现状高速公路拓宽改造中采用的一般设计方法和施工组织方案,重点对路基、路面的拓宽改造方案进行介绍、分析。阐述了桥梁、互通等改造工程的实施重点和注意事项,并概括了改造实施过程中需要采取的交通工程措施。

Discussion of Expressway Widening Reconstruction Scheme under Operation

The article discusses the general design methods and construction organization schemes used in the widening construction of the existing expressways,focuses introduction and analysis on the widening reconstruction schemes of the roadbed and pavement,sets forth the implementation gist and cautions of the bridge and interchange reconstruction projects,and sums up the traffic engineering measures required to take in the course of reconstruction implementation.