高速公路改扩建若干关键问题思考

Thinking on Several key Issues of Freeway Reconstruction and Expansion

近年来我国经济高速发展,高速公路的运输压力相应增大,高速公路的改扩建工程成为了未来公路建设的一个重要组成部分。高速公路改扩建是一个复杂的系统工程,需要考虑多方面的问题,本文对其中的改扩建工程方案选择原则、新旧路基差异沉降控制、改扩建工程交通组织原则、环境保护与修复等问题进行了思考,以期能够对未来高速公路改扩建工程提供可以借鉴的经验。

In recent years,with the rapid development of China's economy,the transportation pressure of highways has increased correspondingly.The reconstruction and expansion of freeways has become an important part of highway construction in the future.Highway reconstruction is a complicated system engineering,need to consider various issues.In this paper,the principles of selection and renovation of the expansion project,the settlement control of new and old subgrade,the traffic organization principle of reconstruction and expansion project,the environmental protection and repair are discussed,hoping to provide some experience for future highway reconstruction and expansion projects.