江苏省高速公路改扩建工程前期研究设计工作实践

Practice of Preliminary Research and Design Work for Expressway Reconstruction and Expansion Projects in Jiangsu Province

分析了江苏省高速公路改扩建的历程,阐述了新形势下改扩建理念的演变,深入探讨了高速公路改扩建中的关键技术问题和解决方案,如改扩建时机、提速扩建、改扩建交通组织、智慧高速公路的建设经验,以及长寿命路面的推广应用等。

This paper analyzes the process of expressway reconstruction and expansion in Jiangsu Province,and expounds the evolution of the concept of reconstruction and expansion under the new situation,discusses in depth the key technical issues and solutions in the reconstruction and expansion of expressways,such as the timing of reconstruction and expansion,the speed up and expansion,the traffic organization of the reconstruction and expansion,the construction experience of smart expressways,and the promotion and application of long-life pavement.