待扩建高速公路路改桥设计施工方案研究

Study on Design and Construction Scheme of Highway to Bridge of Expressway to be Expanded

摘要:

随着社会经济的发展，城市路网的日驱完善，原有道路对局部地区发展的限制作用显现，新建道路工程下穿已有道路的问题愈加突出，所面临的工程技术问题也变得多样化。现以某新建公路下穿已有高速公路为例，对下穿待扩建高速公路的设计方案进行经济性、安全性，以及可行性研究，并给出一种较优的设计方案，为类似的工程项目提供借鉴。

Abstract:

With the development of social economy and the improvement of urban road network, the restriction of the original road to the development of local areas appears. The problem of new road project passing under the existing road becomes more and more prominent, and the engineering technology problems are also diversified. Taking a new highway passing under the existing expressway as an example, the economy, safety and feasibility of the design scheme of passing under expressway to be expanded are studied, and a better design scheme is given, which provides the reference for similar projects.