重庆大学学报Issue(1)：88-97,10.DOI:10.11835/j.issn.1000-582X.2016.01.012
基于磁性标签石块的桥墩局部冲刷监测方法
Bridge local scour monitoring using magnetic label rock
摘要
Abstract
The bridge local scour monitoring is characterized by adverse environment with great danger which makes sensor arrangement very difficult.So,we proposed using magnetic label rock as a dynamic scour sensor for bridge scour monitoring.The monitoring system consists of magnetic label rock and magnetic gradiometer.The magnetic label is casted into concrete to construct a magnetic label rock.The degree of freedom is reduced to solve the nonlinear and ill-posed problems in the magnetic reversion by means of optimization search.In the experimental verification for localization of magnetic label rock,the maximum error and relative error for localization is about 0.2 m and 5% respectively,which satisfies the requirement in the bridge local scour monitoring.The magnetic gradient,invariants and magnitude are all highly correlated with scour displacement,which can be directly used for early warning in the bridge local scour monitoring.关键词
桥梁/磁性标签石块/局部冲刷/监测Key words
bridge/magnetic label rock/local scour/monitoring分类
建筑与水利引用本文复制引用
江胜华,武立群,侯建国,何英明..基于磁性标签石块的桥墩局部冲刷监测方法[J].重庆大学学报,2016,(1):88-97,10.基金项目
国家自然科学基金（51208078）；中央高校基本科研业务费专项资金（SWU114085）。Supported by National Natural Science Foundation of China（51208078）and the Fundamental Research Funds for the Central Universities（SWU114085）． （）
