三维可视化大坝安全监控系统研发及应用
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摘要
先进可靠的三维可视化大坝安全监控系统能准确检查大坝结构,展示仪器埋设位置,提高实时监测信息及大坝安全管理的效率。通过对大坝监测数据的深入分析,并依据规范拟定应力、渗流量等监控指标对三维数值模型进行正反分析,可确定大坝变形预警值。以湖南托口水电站为例,采用BIM技术构建了大坝实体、地形场景以及监测信息的三维可视化模型,并开发出集成了三维可视化模型展示、数据查询、数据展示及安全预警四大模块的大坝安全监控系统。该系统能全方位展示大坝结构、监测数据分析结果、监控指标等信息,并直观展示实时信息,实现了大坝安全监控预警,提高了大坝安全管理效率。相关经验可供类似水利水电工程的安全监控系统开发借鉴。
Advanced and practical 3 D visualization system for dam safety monitoring can accurately inspect the dam structure, monitor the buried position of the instrument, and improve the efficiency of real-time monitoring information and dam safety management. In this paper, the dam monitoring data were analyzed deeply firstly, and the monitoring indexes such as stress and seepage flow were worked out according to the technical specification. Then the direct and indirect analysis were carried out by three-dimensional numerical model to determine the early warning value of dam deformation. Taking Tuokou Hydropower Station as an example, a three-dimensional visualization model of dam entity, terrain scene and monitoring information was constructed by using BIM technology, and a dam safety monitoring system that integrates four modules: 3 D visualization model display, data query, data display and safety early warning was developed. The system can display the dam structure, monitoring data analysis results, monitoring indexes and other information in an all-round way, and intuitively display the real-time information, realize the dam safety monitoring and early warning function, and improve the efficiency of dam safety management.
Advanced and practical 3 D visualization system for dam safety monitoring can accurately inspect the dam structure, monitor the buried position of the instrument, and improve the efficiency of real-time monitoring information and dam safety management. In this paper, the dam monitoring data were analyzed deeply firstly, and the monitoring indexes such as stress and seepage flow were worked out according to the technical specification. Then the direct and indirect analysis were carried out by three-dimensional numerical model to determine the early warning value of dam deformation. Taking Tuokou Hydropower Station as an example, a three-dimensional visualization model of dam entity, terrain scene and monitoring information was constructed by using BIM technology, and a dam safety monitoring system that integrates four modules: 3 D visualization model display, data query, data display and safety early warning was developed. The system can display the dam structure, monitoring data analysis results, monitoring indexes and other information in an all-round way, and intuitively display the real-time information, realize the dam safety monitoring and early warning function, and improve the efficiency of dam safety management.
引文
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[2] 金有杰,王海妹,雷雨,等.大坝安全实测信息三维可视化方法研究与应用[J].水利信息化,2017(1):10-15.
[3] 杨阳,许后磊,方春晖,等.基于监测信息的坝体三维可视化及系统集成[J].水电能源科学,2011,29(1):122-124.
[4] 马瑞.基于三维可视化和物联网技术的水库大坝安全管理研究[A].中国水利学会2016学术年会论文集(上册)[C]//中国水利学会,北京,2016.
[5] 柴启蕾.基于可视化技术的水坝安全监测系统设计[D].长沙:湖南大学,2017.
[6] He B,Yang Z,Man H,et al.The application of 3D GIS technology in Xiaolangdi hydraulic project safety monitoring[C]//International conference on model transformation,New York,2011.
[7] 傅蜀燕,赵志勇,杨硕文,等.基于三维BIM+WebGIS技术的区域数字水库构建[J].长江科学院院报,2018,35(4):134-136,142.
[8] 赵志勇,杨硕文.HydroBIM-区域数字水库安全管理系统[C]//第二届全国岩土工程BIM技术研讨会论文集.北京,2017.
[9] 陈立楠,安阳,张娟.应用Civil 3D创建三维数字化地形[J].市政技术,2015,33(4):145-147.
[10] 孙少楠,张慧君.BIM技术在水利工程中的应用研究[J].工程管理学报,2016,30(2):103-108.
[11] 姜刚,杨志强,黄嫚.小浪底水利枢纽工程三维可视化系统的设计与实现[J].水力发电,2011,37(9):89-91.
[12] 沈振中,陈允平,王成,等.大坝安全实时监控和预警系统的研制和开发[J].水利水电科技进展,2010,30(3):68-72.
[13] 陆珺.BIM技术结合WEB系统在基坑监测中的应用[D].武汉:武汉科技大学,2016.