山地城市越岭隧道工程勘察信息模型制作与应用  

Production and application of engineering survey information model for mountainous urban cross-ridge tunnel

作　　者：马建雄 明镜[1] 郭微[1,2] 曹嘉一弘 李谊[1] MA Jianxiong;MING Jing;GUO Wei;CAO Jiayihong;LI Yi(Chongqing Survey Institute,Chongqing 401121,P.R.China;Chongqing Geotechnical Engineering Research Center,Chongqing 401121,P.R.China)

机构地区：[1]重庆市勘测院,重庆401121 [2]重庆市岩土工程技术研究中心,重庆401121

出　　处：《重庆大学学报》2022年第S01期33-37,共5页Journal of Chongqing University

基　　金：重庆市建设科技项目(城科字2021第2-10)

摘　　要：为建立山地城市复杂地质条件下的高精度工程勘察信息模型构建方案,深入开展工程勘察信息模型在工程建设中的应用研究,针对山地城市内断裂褶皱发育、地形起伏较大、地层复杂等地质条件,以重庆市东温泉山某越岭隧道工程为实例,通过剖面的地质信息模型构建方法,将层面法与拆分法相结合,实现重庆山地城市勘察信息模型构建方法流程体系的突破,建立研究区的工程勘察信息模型,建模面积超30 km2,包含断裂、褶皱、地下水等各类要素,并开展了模型的可视化分析、模型渲染、工程量统计、正向出图等工程勘察应用研究。结果表明,工程勘察信息模型的构建能够有效地为设计的优化、施工阶段的动态模拟提供支撑和指导,为BIM在建设全流程的应用提供支撑,具有重要的实际应用价值。In order to establish a high-precision engineering survey information model construction scheme under complex geological conditions in mountainous cities and carry out in-depth research on the application of engineering survey information model in engineering construction,in view of the complex geological conditions such as fracture and fold development,large topographic undulation and complex stratigraphy in mountainous cities,a cross-ridge tunnel project in East Hot Spring Mountain of Chongqing City is taken as an example.Through the profile-based geological information model construction method,by combining the level method with the split method,A breakthrough in the process system of the construction method of Chongqing mountainous urban survey information model is achieved,and the engineering survey information model of the study area is established,modeling area of more than 30 km~2,including various elements such as fractures,folds and groundwater,and carry out research on the visualization and analysis of the model,model rendering,engineering volume statistics,forward map and other engineering survey applications.The results show that the construction of engineering survey information model can effectively provide support and guidance for the optimization of design and dynamic simulation of construction stage,and provide support for the application of BIM in the whole process of construction,which has important practical application value.

关 键 词：工程勘察信息模型 山地城市 复杂地质条件 工程勘察应用 

分 类 号：U452.1[建筑科学—桥梁与隧道工程]