基于Bayes融合理论的某坝段帷幕体防渗效果评价

›› 2010, Vol. 31 ›› Issue (9): 2889-2893.

基于Bayes融合理论的某坝段帷幕体防渗效果评价

彭鹏¹，宋汉周¹，徐建光²，郭张军²

1. 河海大学地球科学与工程系，南京 210098；2. 陕西电力科学研究院水电技术研究所，西安 710054

收稿日期:2009-04-10 出版日期:2010-09-10 发布日期:2010-09-16
作者简介:彭鹏，男，1982年生，博士研究生，主要从事水工建筑物区域水文地质研究。
基金资助:
国家自然科学基金项目(No. 50139030)资助。

Anti-seepage evaluation of dam foundation curtain based on Bayes data fusion theory

PENG Peng¹，SONG Han-zhou¹，XU Jian-guang²，GUO Zhang-jun²

1. Department of Earth Science and Engineering, Hohai University, Nanjing 210098, China; 2. Shaanxi Electric Power Research Institute, Xi’an 710054, China

Received:2009-04-10 Online:2010-09-10 Published:2010-09-16

摘要/Abstract

摘要：

坝基帷幕体的防渗性能及其时效可由传感器采集到的地下水宏观动态反映出来，而在异类多个传感器数据融合的过程中，常常出现各个评价指标不一致的现象。为消除这种现象，采用Bayes融合方法，首先验证各个传感器的可靠程度，确立正确的关系矩阵，然后将各传感器的可靠程度模糊化，进而给出各传感器的综合支持程度指标，最后给出融合结果。将其应用于某坝13坝段帷幕体防渗效果分析，结果较为符合规律。经分析知，2003－2008年间帷幕体防渗效果呈现了阶段性衰减，其中2005年和2008年为该坝段帷幕体防渗性能的相对明显衰减时期。建议加强监测，为必要时采取工程措施提供依据。

关键词: 多传感器, 数据融合, Bayes理论, 防渗耐久性

Abstract:

The macroscopic regimes under dam, which collected by sensor could reflect anti-seepage effect and its time-variance of dam foundation curtain, but in the procedure of multi-sensor data fusion, some evaluation indices were inconsistent. In order to eliminate this phenomenon, Bayes data fusion theory was utilized; the reliability of each sensor must be calculated before establishing the correct relation matrix. The fuzzy reliability of sensor was given by the statistical method. Based on the fuzzy index, the data fusion of multi-sensor was obtained; analysis of groundwater macroscopic regime under a dam section was carried out by using a decision-making fusion method. As a result, The macroscopic regimes under dam section 13 had the tendency of increasing with time between 2003 and 2008. The anti-seepage performance of the dam foundation curtain was to be weakened locally.

Key words: multi-sensor, data fusion, Bayes theory, durability of anti-seepage performance

中图分类号:

TU 443

彭鹏，宋汉周，徐建光，郭张军. 基于Bayes融合理论的某坝段帷幕体防渗效果评价[J]. , 2010, 31(9): 2889-2893.

PENG Peng，SONG Han-zhou，XU Jian-guang，GUO Zhang-jun. Anti-seepage evaluation of dam foundation curtain based on Bayes data fusion theory[J]. , 2010, 31(9): 2889-2893.

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