BIM+GIS技术在水库工程可研阶段勘察设计应用研究

Application of BIM+GIS Technology in Investigation and Design of Reservoir Project in Feasibility Study Stage

研究了BIM+GIS技术在水库工程中的应用,重点提出可行性研究阶段BIM+GIS技术应用目标、软硬件配置、项目BIM协同设计管理程序及三维协同设计流程;以GJ水库工程为例,根据项目梯级两库多坝址比选、涉及专业多、前期乏信息情况下基础资料收集难度大、勘察设计周期短工作量大的特点与难点,开展可研阶段的三维协同设计及BIM+GIS技术应用研究。运用GIS+无人机技术,快速提取流域水系、拟定水库水位、初拟开发方案,快速提取淹没区土地数据,采集地形数据并建立三维地质实体模型。将三维正向协同设计流程标准化、协同设计结构树优化,开展水工、机电金结、安全监测专业正向协同设计,快速统计工程量、一体化有限元计算分析、施工仿真、三维展示、结构出图。将全生命周期理念贯穿始终,从可研、初设、施工详图到运维阶段,满足一次建模、全生命周期运用的要求,提高模型附加值,为BIM+GIS技术在水库工程中的应用提供指导,提高项目精细化、信息化管理水平。

This paper studies the application of BIM+GIS technology in reservoir engineering, and focuses on the main process framework of BIM+GIS technology application in the feasibility study stage.By taking the GJ reservoir project as an example according to the characteristics and difficulties of the project, such as comparison and selection of cascade two reservoirs and multiple dam sites, many disciplines involved, and lack of information in the early stage, this paper cannot easily collect basic data, short survey and design cycle and heavy workload, or carry out three-dimensional collaborative design and BIM+GIS technology application research in the feasibility study stage. By using GIS+UAV technology, this paper quickly extracts the river system of the basin, draws up the water level of the reservoir and the development plan, quickly extracts the land data of the flooded area, collect topographic data and establish a three-dimensional geological entity model. It standardizes the three-dimensional forward collaborative design process, optimizes the structural tree of collaborative design, carries out the forward collaborative design of hydraulic engineering, electromechanical metal structure and safety monitoring, and quickly counts the quantities of works, integrates finite element calculation and analysis, construction simulation, three-dimensional display and structural drawing.The concept of full life cycle will be carried out throughout, from feasibility study, preliminary design, detailed construction drawings to operation and maintenance stages, to meet the requirements of one-time modeling and full life cycle application, improve the added value of the model, provide a guidance for the application of bim+gis technology in reservoir engineering, and improve the refinement and information management level of the project.