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云南高速公路的建设为云南省经济的快速发展提供了重要支撑,同时,高速公路的建设与环境保护、建设投资之间的矛盾也日趋突出。本文针对云南山区高速公路的特点,按照其总体设计的指导思想,基于路基工程的特征,结合工程实例,对高填深挖边坡坡率、高轻型支挡结构的选择方案等进行了优化设计。总结提出了适于云南山区高速公路路基工程的一些设计参数建议值及支挡防护形式,对类似工程具有一定的指导意义。
The construction of expressway in Yunnan provides an important support for the rapid economic development in Yunnan Province. Meanwhile, the contradiction between the construction of expressway, environmental protection and construction investment has become increasingly prominent. In accordance with the characteristics of expressway in mountainous area of Yunnan Province and according to the guiding principle of its overall design, based on the characteristics of roadbed engineering and the engineering examples, the optimal design of slope selection for high embankment and dredging slope, . Summarizes some recommended values of design parameters and supporting forms of protection for the subgrade engineering of expressway in mountainous areas of Yunnan Province, which is of guiding significance for similar projects.