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首页> 外文期刊>Archives of Hydro-engineering and Environmental Mechanics >Monitoring of Deep Foundation Deflection in Model Experiments by Means of a Magnetic Method: Theoretical Study
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Monitoring of Deep Foundation Deflection in Model Experiments by Means of a Magnetic Method: Theoretical Study

机译：用电磁方法监测模型实验中的深部基础挠度：理论研究

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摘要

In this paper, a new contact-free method for monitoring the displacement of buried foundations, with application to model (laboratory) studies, is considered. This method is based on the measurement of the magnetic induction amplitude created by a magnetic dipole attached to the construction. An array of sensing coils, located distantly, measures the changes in magnetic induction amplitude invoked by displacement of the signal source. The forward and inverse problems are formulated. Reconstruction of the source displacement is performed for synthetic data, both contaminated and uncontaminated by noise. It has been found that the reconstruction of displacements as small as 0.001 m is possible for distances between signal source (transmitting coil - magnetic dipole) and coil array of 0.5 m, even for data contaminated by noise.
机译：本文考虑了一种新的非接触式监测地下基础位移的方法，并将其应用于模型（实验室）研究中。该方法基于对安装在建筑物上的磁偶极子产生的磁感应振幅的测量。相距较远的一组感应线圈可测量由信号源的位移引起的磁感应振幅的变化。提出了正反问题。源位移的重建是针对合成数据进行的，这些合成数据既被噪声污染也未被噪声污染。已经发现，对于信号源（发射线圈-磁偶极子）和线圈阵列之间的距离为0.5 m，即使对于受到噪声污染的数据，也可以将位移重建为0.001 m。

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