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Record nummer 2287902
Titel Monitoring Backward Erosion Piping with Self-Potential Geophysics
Auteur(s) Gevaert, J.H.N.
Uitgever Delft : Delft University of Technology
Jaar van uitgave 2019
Pagina's 95 p
Online full text
Publicatie type Studentenverslag
Taal Engels
Toelichting (Engels) This master thesis starts with the research outline in Chapter 2. In that chapter, backward piping erosion and self-potential monitoring are briefly introduced. Also, the principal idea behind applying time-lapse self-potential measurements to monitor backward erosion piping is explained. Chapter 3 describes the theoretical background of both phenomena in greater detail and an intuitive example of self-potential in a single microchannel is given. The last section of Chapter 3 then gives a solid, literature based, justification for using non-polarizable electrodes, instead of polarizable electrodes, for self-potential measurements. Subsequently, Chapter 4 describes how the self-potential was modeled on test dike. The test dike is a small dike built for large scale backward erosion piping experiments. Chapter 5 describes the methodology and results of self-potential monitoring on the test dike. Both the modeling and field experiment chapters are concluded with a discussion and recommendations section. The final chapter of this thesis sums up the conclusions and recommendations.
Betrokken instanties Technische Universiteit Delft
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