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Abstract

A021 CROSS-BOREHOLE RESISTIVITY TOMOGRAPHY BELOW FOUNDATIONS IN COVERED KARST AUTHORS Abstract 1 This paper presents a case study conducted below building foundations in a karstic area at Tournai (Belgium). Geophysical investigations were carried out to map the complex geometry of the subsurface. Twenty-three cross-borehole resistivity panels with multiple arrays were performed on the site. Data were inverted with Res2DInv ® software. Tomographies give a good overview of the competent bedrock geometry and also allow to delineating covered weathered limestone. Introduction The investigated building is situated at Tournai in the south-west of Belgium. Several collapses from 2 to 3 meters in

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/content/papers/10.3997/2214-4609-pdb.10.A021
2004-09-06
2020-04-02
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http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609-pdb.10.A021
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