Detection of underground Marlpit mine using high resolution seismic

Abstract : This paper presents examples of application of high resolution reflection seismic for the detection and location of underground marlpit quarries in the region of haute-Normandie (north-west France) . Since some of these voids are unknown they represent a real danger both for population and building activities. The experiments are carried out at three sites with similar geological setting but differing in depth of voids (30-45 m), and in ground absorption (inelastic attenuation). For each site an explosive source is used. An additional survey is performed using new portable high resolution P wave vibrator, over one of the profiles. This provides an interesting comparison concerning the choice of the source type. In spite of high ground absorption and natural irregularities of the geological structure, the results show that the detection of marlpit underground quarries, often considered as unresolved, is possible.
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Communication dans un congrès
69. EAGE Conference, Jun 2007, Londres, United Kingdom. pp.NC, 2007
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Bogdan Piwakowski, Lynda Driad-Lebeau, Arkadiusz Kosecki, Pawel Safinowski. Detection of underground Marlpit mine using high resolution seismic. 69. EAGE Conference, Jun 2007, Londres, United Kingdom. pp.NC, 2007. 〈ineris-00976191〉

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