复杂岩质高边坡工程安全监测三维可视化分析

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摘要应用自主研发的岩石边坡工程安全监测三维可视化分析系统(SlopeMoni3D)，以锦屏一级水电站左岸高边坡工程为例，建立安全监测分布式分析平台，对边坡安全监测系统与赋存地质条件进行虚拟现实可视化分析。以三维云图的可视化形式对安全监测获得的左岸边坡开挖区域浅表、深部变形发展趋势及锚索测力计锚固力在相同时段变化量的空间分布进行综合分析，完成边坡整体稳定性和变形趋势的分析评估。分析结果表明：(1) 以虚拟现实可视化方式解析复杂岩质边坡工程区域地质条件，可直观表达各监测项目测点布置与地质结构的相互关系，便于监测成果与地质条件和施工信息的综合分析；(2) 借助三维可视化分析平台所提供的监测数据管理和监测数据场三维云图绘制等功能，可直观比较相同监测时间段不同监测项目所获得监测物理量的三维云图分布，便于从地质、施工等方面综合分析边坡各区域的变形趋势和稳定状态。

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关键词 ：边坡工程, 岩石高边坡, 安全监测, 监测资料分析, 三维可视化, 锦屏一级水电站

Abstract：The self-made analysis system of three-dimensional(3D) visualization，named SlopeMoni3D and developed for safety monitoring of rock slope engineering，is used to establish safety monitoring distributed analysis platform for the left bank high slope of Jinping I hydropower station；then the virtual reality visual analysis of the safety monitoring system and occurrence of slope geological conditions is realized. The development tendency of superficial，deep deformation and the spatial distribution of anchoring force of cable dynamometers at the same period in the excavation area of the left bank slope，which is obtained by safety monitoring，are comprehensively analyzed in the form of three-dimensional nephogram visualization. The analysis and evaluation of overall slope stability and deformation tendency are completed. The analysis results indicate that：(1) Using virtual reality visualization technology to resolve regional engineering geological conditions of complicated rock slope，we can directly express the relationship between monitoring points arrangement of each monitoring project and its geological structures and easily realize the comprehensive analysis based on monitoring results，geological conditions and construction information. (2) By virtue of the functions of monitoring data management and 3D nephogram rendering based on monitoring data fields，which are provided by SlopeMoni3D，we can directly compare the 3D nephogram distribution of obtained monitoring physical quantities of different monitoring projects at the same monitoring period；and it is convenient for analyzing the regional deformation tendency and overall stability status from various aspects of geology and construction.

Key words： slope engineering high rock slope safety monitoring monitoring data analysis three-dimensional visualization Jinping I hydropower station

收稿日期: 2010-05-14

引用本文:

孟永东1，徐卫亚2，刘造保2，刘大文3，蔡德文3. 复杂岩质高边坡工程安全监测三维可视化分析[J]. 岩石力学与工程学报, 2010, 29(12): 2500-2509.
MENG Yongdong1，XU Weiya2，LIU Zaobao2，LIU Dawen3，CAI Dewen3. ANALYSIS OF 3D VISUALIZATION OF SAFETY MONITORING FOR COMPLICATED HIGH ROCK SLOPE ENGINEERING. , 2010, 29(12): 2500-2509.

链接本文:

http://www.rockmech.org/CN/Y2010/V29/I12/2500

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