Theory and experimental study of electromagnetic-driven moisture migration of landslide model

ZHOU Chang; HU Xin-li; XU Chu; WANG Qiang; XU Ying

doi:10.16285/j.rsm.2017.1349

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Theory and experimental study of electromagnetic-driven moisture migration of landslide model

更新时间：2026-06-25

- Theory and experimental study of electromagnetic-driven moisture migration of landslide model
- Vol. 39, Issue 9, Pages: 3347-3354(2018)
- 作者机构：
  
  中国地质大学（武汉）工程学院,湖北,武汉,430074
- 作者简介：
- 基金信息：
- DOI：10.16285/j.rsm.2017.1349
  CLC： TU457
- Online First：08 October 2018，
  
  Published：2018
- 稿件说明：
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ZHOU Chang, HU Xin-li, XU Chu, et al. Theory and experimental study of electromagnetic-driven moisture migration of landslide model[J]. 2018, 39(9): 3347-3354.
DOI：

ZHOU Chang, HU Xin-li, XU Chu, et al. Theory and experimental study of electromagnetic-driven moisture migration of landslide model[J]. 2018, 39(9): 3347-3354. DOI： 10.16285/j.rsm.2017.1349.

摘要

加快模型试验中水的渗流速率对库岸滑坡研究意义重大。考虑滑坡渗流特性，基于电磁驱动原理，在滑坡模型中施加相互垂直的电场、磁场，推导出孔隙水受力公式，根据电渗固结理论，推导水分迁移速率v与电压Ve、磁场强度B的关系式，进而获得时间相似比，实现了通过电磁场强度来控制滑坡模型水分迁移速率，改进模型试验，为研究库水位升降对滑坡的影响提供条件。通过试验进行验证：电磁场对水分迁移速度的影响具有显著效果，且电压大小对模型的稳定渗流场影响较小。说明在不改变模型材料参数的条件下，改变磁场强度和电压可获得任意孔隙水的渗流速度，为研究库水位波动条件下的滑坡演化机制奠定基础。

Abstract

How to accelerate the seepage rate of water in model test is significant to the study of bank landslide. Based on the principle of electromagnetism

the force of pore water was calculated by applying mutually perpendicular electric and magnetic fields in the landslide model. According to the theory of electroosmotic consolidation

the resultant force of groundwater is calculated

and the relationship between the migration rate and the voltage and magnetic field intensity is deduced

then the time similarity ratio is obtained. The water migration rate of landslide model is improved by controlling the voltage and magnetic field strength applied to the model

and the effect of the electromagnetic field on the soil moisture is verified by experiments. The influence of electromagnetic field significantly affects the water migration velocity

and the voltage has little effect on the stable seepage field of the model. Without changing the parameters of model material

the changes of the magnetic field strength and voltage can determine the seepage velocity of any pore water lays which can be the foundation for studying the evolution mechanism of the landslide under fluctuating reservoir water conditions.

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