深圳市西丽水库大坝渗流观测数据分析与应用

Analysis and Application of Observed Seepage Data of Xili Reservoir Dam in Shenzhen

介绍了西丽水库大坝17年的渗流观测资料整编分析和应用情况。针对该水库大坝曾多次进行除险加固,坝体填筑结构复杂和加建防渗工程的具体情况,采用统计模型进行分析,根据位势原理和回归模型了解大坝各部位的渗流状态,进而判断渗流安全状况。同时,采用同类土坝防渗墙工程观测数据类比分析的方法,对类似工程的防渗墙设计、施工方案、工程质量提供可资比较的依据,体现了大坝监测资料在总结工程技术质量方面有重要的应用价值。

The integrated analysis of the observed seepage data of Xili Reservoir Dam in 17 years is introduced.In view of the specific circumstances of numerous dam rehabiliation and reinforcement,complex dam filling structure and anti-seepage extension,the statistical model employed for the analysis.According to the potential theory and the regression model,the seepage states in various parts of the dam are discussed so as to assess the safety situation of the seepage.Meanwhile,by use of the analogy and analysis methods of observed data of cut-off walls in similar earth dams,the comparable basis is provided for the design of cutting-off walls,construction schemes and project qualities in similar projects.It indicates that the monitoring data of dams has important application value in the summarization of project quality.