| 马青山.杭州市钱塘新区地下空间开发地质环境适宜性评价[J].地质与勘探,2024,60(1):20-32 |
| 杭州市钱塘新区地下空间开发地质环境适宜性评价 |
| Evaluation on geological environment suitability of underground space development in Qiantang New District, Hangzhou City |
| 投稿时间：2023-12-10 修订日期：2024-01-08 |
| DOI：10.12134/j.dzykt.2024.01.003 |
| 中文关键词: 地下空间开发 地质环境适宜性 变权分析法 灰色关联分析法 钱塘新区 |
| 英文关键词: underground space development, geological environment suitability, variable weight analytic hierarchy process, grey relational analysis method, Qiantang New District |
| 基金项目:中国地质调查局地质调查项目(编号:DD20190281、DD20221732)资助 |
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| 中文摘要: |
| 地下空间地质环境适宜性评价是实现地下空间合理有序开发的重要环节，也是国土空间科学规划的必要前提。通过系统分析杭州市钱塘新区地质环境条件，从地形地貌、工程地质条件、水文地质条件、活动断裂及地震效应、环境地质问题等五个方面选取15个指标构建了地下空间开发地质环境适宜性评价指标体系。在此基础上，采用变权层次分析法和灰色关联分析模型，对浅层(0~ 15m)、次浅层(15~ 30m)、次深层(30~ 50 m)地下空间进行了开发利用地质环境条件适宜性评价。结果表明，研究区浅层和次深层地下空间更适宜开发，而次浅层地下空间适宜性好和适宜性较好的总面积仅占全区的45.7%，地质环境条件复杂，具有一定的开发难度。该结果可为钱塘新区地下空间合理开发提供参考。 |
| 英文摘要: |
| Abstract:To achieve rational and organized development, a geological environment suitability assessment for underground space development is a critical step and a necessary prerequisite for scientifie territorial space planning. By systematically analyzing the geological environmental conditions in Qiantang New District, Hangzhou City, a set of 15 indicators was selected from five aspects: topography, engineering geological conditions, hydrogeological conditions, active faults and seismic effects, and environmental geological issues, to construct an indicator system for assessing the geological environment suitability of underground space development. On this basis, the variable weight analytic hierarchy process and grey relational analysis model were used to evaluate the geological environment suitability for the development of shallow (0~15 m), sub-shallow (15~30 m), and deep (30~50 m) underground spaces. The results indicate that the shallow and sub-deep underground spaces occupies the study area are more suitable for development. In contrast, the suitability of sub-shallow underground space occupies only 45.7% of the total area. It indicates that the geological environmental conditions of this layer are complex, which bring certain challenges in the development process. This research can provide valuable reference for the underground space development in Qiantang New District. |
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