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公路自然区划是研究自然环境对公路建设影响的产物,同时也是公路建设适应自然环境研究的结果,有针对的开展省级公路自然区划十分必要。本文分析省级公路自然区划与86区划标准的关系,提出进行省级公路自然区划的一般原则和方法,探讨省级公路自然区划的等级系统和指标体系。根据其一般理论,结合甘肃省公路建设的实际,将甘肃省公路自然区划分为3个一级区,7个二级区,18个三级区。
The natural division of highway is the product of studying the impact of natural environment on the highway construction and also the result of the study of highway construction adapting to the natural environment. It is very necessary to carry out the natural division of provincial highway. This paper analyzes the relationship between the provincial highway natural division and the 86 zoning standards, puts forward the general principles and methods for the provincial highway natural division, and discusses the grade system and index system of the provincial highway natural division. According to its general theory, combined with the actual highway construction in Gansu Province, the natural area of highway in Gansu Province is divided into three primary areas, seven secondary areas and 18 tertiary areas.