Suitability evaluation of Xiong’an New Area engineering construction based on multi-factor grading weighted index sum method
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摘要: 【研究目的】河北雄安新区是一座即将建设的城市，为保障新区规划建设地质安全开展雄安新区工程建设适宜性评价。【研究方法】根据雄安新区地质条件，按照规划建设千年大计的要求，量身定制了工程建设适宜性评价指标体系，采用多因子分级加权指数和法对雄安新区工程建设适宜性进行了评价。【研究结果】结果显示：雄安新区工程建设适宜性较好，均为适宜区（925 km2）和较适宜区（845 km2），较适宜区分布于研究区中南部和东北部，其他地区为适宜区，雄安新区部分地区存在一定程度的地面沉降、砂土液化、软土、水土污染和水土腐蚀性等环境地质问题。环境地质问题的存在直接影响了综合评价结果，但未在综合评定中直接排除建设的可行性。【结论】构建了雄安新区工程建设适宜性评价的全要素参数体系，并参规量化了评价因子，确定了较为合理的权重取值，形成了地质调查工作服务国土空间布局、工程建设、地下空间开发等为重点的地质调查评价方法体系，可为相关城市规划建设提供借鉴。
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关键词:
- 雄安新区 /
- 工程建设适宜性评价 /
- 多因子分级加权指数和法 /
- 地质调查工程
Abstract: This paper is the research on the suitability evaluation of engineering construction.[Objective] Xiongan New Area of Hebei Province is a city to be built soon.To ensure the geological safety of the planning and construction of the new area, the suitability evaluation of the Xiong'an New Area engineering construction is carried out.[Methods]A customized evaluation index system for the suitability of engineering construction has been developed based on the geological conditions of Xiong'an New Area and in alignment with the millennium plan for planning and construction.The evaluation of engineering construction suitability in Xiong'an New Area was conducted using a multi-factor graded weighted index sum method.[Results]The engineering construction suitability in Xiong'an New Area is favorable, with both suitable areas covering 925 km2 and relatively suitable areas covering 845 km2.The more suitable areas are primarily located in the central and southern parts of the research area, while other areas are classified as suitable.Some parts of Xiong'an New Area face environmental geological challenges such as ground subsidence, sand liquefaction, soft soil, soil and water pollution, soil and water corrosiveness.These environmental geological issues directly impact the overall evaluation results, although they do not completely rule out the feasibility of construction in the comprehensive evaluation.[Conclusion] A comprehensive parameter system has been developed for evaluating the suitability of engineering construction in Xiong'an New Area.The evaluation factors have been quantified, reasonable weight values have been determined, and a geological survey evaluation method system has been established.The system is designed to serve national spatial layout, engineering construction and underground space development, offering valuable insights for relevant urban planning and construction. -
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