公路岩土区划方法与区划指标的研究

岩土区划是中国公路自然区划的基础性工作之一。结合公路工程实际,在已有研究的基础上,提出系统方法、图层叠置与指标划分相结合和分形方法等区划方法,以及主导指标和辅助指标相结合的类型-区域双系列区划指标体系,包括岩土复杂指数、平均强度指数等区划指标,通过GIS空间分析计算,编制了《中国公路岩土区划图》,将全国分为12个一级岩土区、42个二级岩土区。公路岩土区划可为公路建设乃至公路自然区划的研究提供依据。

Method and Index for Zoning of Highway Rock and Soil

Rock and soil zoning is one of the basic parts for highway natural zoning in China. First, on the basis of the actual situation of road engineering and the related researches, the zoning methods, including system approach, combination with layer overlay and indexes, and fractal, etc. were put forward. Then, the type-region zoning index system, which combines leading indexes and auxiliary indexes for rock and soil zoning, including  complexity index of rock and soil, and mean intensity index, was proposed. The Zoning Map of Highway Rock and Soil in China was compiled through GIS spatial analysis. Finally, highway rock and soil in China was divided into 12 first-grade regions and 42 second-grade regions. The study of rock and soil zoning for highway  could provide a reference for the highway construction and the further natural zoning of highway.