基于实景三维与GIM技术的滑坡地质灾害勘查应用  

Application of landslide geohazard investigation based on realistic 3D and GIM technology

作　　者：马建雄 明镜 周成涛[1,3,4] 甘泽 MA Jianxiong;MING Jing;ZHOU Chengtao;GAN Ze(Chongoing Academy of Surveying and Mapping,Chongqing 401120,China;Technology Innovation Center for Spatio-temporal Information and Equipment of Intelligent City,Ministry of Natural Resources,Chongqing 401120,China;Chongqing Survey Institute,Co.,Ltd.,Chongqing 401121,China;Chongqing Geotechnical Engineering Research Center,Chongqing 401121,China)

机构地区：[1]重庆市测绘科学技术研究院,重庆401120 [2]自然资源部智能城市时空信息与装备工程技术创新中心,重庆401120 [3]重庆市勘测院有限公司,重庆401121 [4]重庆市岩土工程技术研究中心,重庆401121

出　　处：《测绘通报》2024年第11期74-77,161,共5页Bulletin of Surveying and Mapping

基　　金：重庆市勘察设计行业创新研究与能力建设项目(渝建勘设〔2023〕31号-24)。

摘　　要：伴随基础设施建设脚步的不断加快、工程建设质量要求的不断提高,对滑坡工程勘查的精度也提出更高的要求。本文以重庆市两江新区长江右岸某项目为例,采用基于实景三维+GIM技术的地质精细化调查方法,实现了山地城市滑坡工程三维精细化勘查应用技术的突破,为滑坡的应急处置和工程实施提供了支撑。结果表明:①基于实景三维模型实现了对滑坡地质灾害关键要素的解译,对地质灾害勘查提供了有力的辅助决策和依据;②通过以GIM技术为核心的三维地质建模方法,实现了对研究区精细化三维地质信息模型的构建,具有快速、精确、可靠的特点;③通过实景三维模型与GIM技术的一体化融合应用,勘查成果更加精细,为滑坡的应急处置和工程实施提供了有效的数据支撑和科学决策。Accompanied by the accelerating pace of infrastructure construction and the continuous improvement of the quality requirements of engineering construction,the accuracy of landslide engineering survey also puts forward higher requirements,this paper takes a project on the right bank of the Yangtze River in Liangjiang New Area of Chongqing Municipality as an example,and adopts the geological fine investigation method based on the realistic 3D and GIM technology,realizing a breakthrough of the application technology of three-dimensional fine survey of landslide engineering in the mountainous city,which provides support for the emergency disposal of landslide and the implementation of engineering.The results show that:①Based on the real-life 3D model realized the interpretation of the key elements of landslide geohazards,which provides a powerful auxiliary decision-making and basis for geohazard investigation;②Through the 3D geologic modeling method with GIM technology as the core,the construction of a refined 3D geologic information model of the study area is realized,which has the characteristics of rapidity,accuracy,and reliability;③Through the integrated integration and fusion application of the real-life 3D model and GIM technology,the survey results are more refined,providing effective data support and scientific decision-making for the emergency disposal of landslides and the implementation of he project.

关 键 词：实景三维 GIM技术 三维地质模型 滑坡 地质灾害 

分 类 号：P237[天文地球—摄影测量与遥感]