安新高速公路改扩建工程总体方案研究与关键工程技术设计

以京珠国道主干线河南省境安阳至新乡段高速公路改扩建为例，着重介绍高速公路改扩建工程项目总体方案的研究，以及关键工程技术设计的实际应用，总结出改扩建中的技术难点，以期对高速公路改扩建项目在总体方案的选择和工程设计方面提供一些启示。

Research on General Scheme of Rebuild and Extension Project of Highway and Key Engineering Technique Design of Anyan-Xinxiang Highway

Taking the rebuild and extension of Anyang-Xinxiang section of Jing-Zhu expressway in Henan as an example, the emphasis of the paper is to introduce the research on the general scheme of the rebuild and extension project of highway, the practical application of the key engineering design as well. The technological difficulties in the rebuild and extension are summarized in order to give inspirations to the rebuild and extension of highway in terms of choosing the general scheme and engineering design.