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Evaluation of electrical resistivity maps for ancient masonry

Van Gemert, D. / Janssens, H. / Van Rickstal, F.

Abstract The use of electrical resistivity maps for the evaluation of ancient masonry is a well-known non-destructive measuring technique. However, these maps do not only contain the information sought, i.e. the localisation of the inhomogeneities, but also the influence of the physical layout and the geometrical boundaries on the measurements. These elements partly hide the desired information. Therefore, computer programs are developed in which this particular boundary effect is incorporated. This leads to maps of relative differences in resistivity that are a picture of the real anomalies in the structure. The evaluation and interpretation of the electrical resistivity maps are thereby made much simpler.

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Evaluation of electrical resistivity maps for ancient masonry

Van Gemert, D. / Janssens, H. / Van Rickstal, F.

Abstract The use of electrical resistivity maps for the evaluation of ancient masonry is a well-known non-destructive measuring technique. However, these maps do not only contain the information sought, i.e. the localisation of the inhomogeneities, but also the influence of the physical layout and the geometrical boundaries on the measurements. These elements partly hide the desired information. Therefore, computer programs are developed in which this particular boundary effect is incorporated. This leads to maps of relative differences in resistivity that are a picture of the real anomalies in the structure. The evaluation and interpretation of the electrical resistivity maps are thereby made much simpler.

Evaluation of electrical resistivity maps for ancient masonry

Van Gemert, D. / Janssens, H. / Van Rickstal, F.

Abstract The use of electrical resistivity maps for the evaluation of ancient masonry is a well-known non-destructive measuring technique. However, these maps do not only contain the information sought, i.e. the localisation of the inhomogeneities, but also the influence of the physical layout and the geometrical boundaries on the measurements. These elements partly hide the desired information. Therefore, computer programs are developed in which this particular boundary effect is incorporated. This leads to maps of relative differences in resistivity that are a picture of the real anomalies in the structure. The evaluation and interpretation of the electrical resistivity maps are thereby made much simpler.

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Title:

Evaluation of electrical resistivity maps for ancient masonry

Contributors:

Van Gemert, D. (author) / Janssens, H. (author) / Van Rickstal, F. (author)

Published in:

Materials and Structures ; 29

Publication date:

1996

ISSN:

DOI:

https://doi.org/10.1007/BF02486161

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

Electrical Resistivity , Geometrical Boundary , Apparent Resistivity , Influence Zone , Relative Difference

Classification:

BKL: 56.45 Baustoffkunde / 51.30 Werkstoffprüfung, Werkstoffuntersuchung
Local classification TIB: 275/6500 / 250/6500

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