Research on Engineering Geological Zoning of Plateau Mountains Traffic Corridors

The geological conditions of the plateau mountainous traffic corridor project are complex, posing serious challenges to the construction of transportation corridors. To provide systematic engineering geological analysis information for the safe construction of transportation corridor projects in mountainous areas of the plateau, this paper adopts the engineering geological zoning method based on a geographic information system (GIS), selects 10 zoning indicators belonging to different engineering geological conditions, introduces Euclidean distance to establish a hierarchical analysis-entropy value method of subject-objective coupled zoning model, conducts regional engineering geological zoning, and obtains an engineering geological zoning map of the study area. The research results show that the influence indicator of the active fault plays a controlling role in the engineering geological conditions, followed by the terrain undulation and the development density of adverse geological phenomena. The research results can effectively serve the development of an engineering route optimization plan for the traffic corridor, and support the engineering route selection, engineering geological survey design and construction.