基于GIS的武汉市长江新城地下空间资源质量评估

GIS-BASED QUALITY EVALUATION OF UNDERGROUND SPACE RESOURCES IN YANGTZE RIVER DEMONSTRATION DISTRICT OF WUHAN CITY

地下空间开发是当下城市建设的热点.为服务于长江新城地下空间规划建设,在多要素城市地质调查所获取的大量基础数据和成果资料的基础上,结合GIS技术,开展长江新城地下空间资源质量评价,得到长江新城不同深度的地下空间资源质量分区图.结果表明:浅层、次浅层地下空间资源质量总体为良—优,且西南侧明显不如东侧和北侧,主要受现有地下构筑物、软土及地下水等因素的影响;次深层、深层地下空间资源质量总体为中—良,主要受开发深度、岩溶及岩体开挖难度的影响.

The underground space development is a hot spot in urban construction currently. To serve the planning and construction of underground space in Yangtze River Demonstration District of Wuhan City,based on a large number of basic data and results obtained from multi-factor urban geological survey,combined with GIS technology,the paper carries out the underground space resources quality evaluation of the study area,which is shown in the zoning map of underground space resources quality of different depths. The results indicate that the quality of shallow and sub-shallow underground space resources are generally good-excellent,with the southwest side obviously inferior to the east and north sides,mainly affected by the existing underground structures,soft soil and groundwater. The quality of sub-deep and deep underground space resources are generally medium-good,mainly affected by the development depth,karst and rock excavation difficulty.