基于量水堰的大坝渗流含砂量测量技术研发  

Research and Development of Dam Seepage Sand Content Measurement Technology Based on Water Weir

作　　者：娄凤锦 丁勇[1] 李登华[2] 谢东辉 LOU Feng-jin;DING Yong;LI Deng-hua;XIE Dong-hui(School of Science,Nanjing University of Science and Technology,Nanjing 210094,China;Nanjing Hydraulic Research Institute,Nanjing 210029,China;Jiaokou Reservoir,Ningbo City,Zhejiang Province,Ningbo 315161,China)

机构地区：[1]南京理工大学理学院,江苏南京210094 [2]南京水利科学研究院,江苏南京210029 [3]浙江省宁波市皎口水库,浙江宁波315161

出　　处：《水电能源科学》2023年第6期82-86,共5页Water Resources and Power

基　　金：浙江省水利厅科技计划项目(RB2035);国家自然科学基金项目(51979174);国家自然科学基金联合基金项目(U2040221);中央级公益性科研院所基本科研业务费专项基金项目(Y321004);中央级公益性科研院所基本科研业务费专项资金(Y322008)。

摘　　要：针对传统量水堰无法测量径流含砂量且传统的测量方法精度不高,难以在大坝的量水堰现场实现在线测量的不足,提出了一种基于量水堰的大坝渗流含砂量测量技术,通过分析量水堰水流含砂量与图像灰度值之间的负相关性关系,自动测量量水堰水流含砂量。试验结果表明,含砂量的检测结果与实际值偏差较低,是一种具有一定的便捷性、高效性、实时性的测定方法。研究结果对坝体渗流监测具有参考价值。Aiming at the shortcomings that traditional water weirs cannot measure the sand content of runoff and the traditional measurement methods are not accurate,it is difficult to realize online measurement in the field of dam water weirs.By analyzing the negative correlation between the sand content of the water flow of the water weir and the gray val-ue of the image,sand volume measurement technology was proposed to automatically measure the sand content of the wa-ter flow of the weir.The test results show that the deviation between the detection result of sand content and the actual value is low,and it is a convenient,efficient and real-time determination method.The research results have certain refer-ence value for dam seepage monitoring.

关 键 词：含砂量 图像灰度值 率定试验 数据拟合 量水堰 

分 类 号：TV697.2[水利工程—水利水电工程]