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Marine resistivity tomography for coastal engineering applications in Greece

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dc.contributor.author Apostolopoulos, G en
dc.date.accessioned 2014-03-01T02:09:30Z
dc.date.available 2014-03-01T02:09:30Z
dc.date.issued 2012 en
dc.identifier.issn 00168033 en
dc.identifier.uri http://hdl.handle.net/123456789/29858
dc.subject Engineering en
dc.subject Marine en
dc.subject Resistivity en
dc.subject Tomography en
dc.subject.other Bedrock relief en
dc.subject.other Construction companies en
dc.subject.other Drilling data en
dc.subject.other Engineering applications en
dc.subject.other Geophysical measurements en
dc.subject.other High resistivity en
dc.subject.other Loose materials en
dc.subject.other Marine en
dc.subject.other New constructions en
dc.subject.other Resistivity tomography en
dc.subject.other Resistivity values en
dc.subject.other Water bottom en
dc.subject.other Coastal engineering en
dc.subject.other Construction industry en
dc.subject.other Electric conductivity en
dc.subject.other Engineering en
dc.subject.other Excavation en
dc.subject.other Geophysics en
dc.subject.other Tomography en
dc.subject.other bathymetry en
dc.subject.other bedrock en
dc.subject.other bridge en
dc.subject.other coastal engineering en
dc.subject.other drilling en
dc.subject.other electrical resistivity en
dc.subject.other geomorphology en
dc.subject.other geophysics en
dc.subject.other tomography en
dc.subject.other Attica en
dc.subject.other Greece en
dc.subject.other Lavrion en
dc.title Marine resistivity tomography for coastal engineering applications in Greece en
heal.type journalArticle en
heal.identifier.primary 10.1190/geo2011-0349.1 en
heal.identifier.secondary http://dx.doi.org/10.1190/geo2011-0349.1 en
heal.publicationDate 2012 en
heal.abstract The marine resistivity tomography method can be useful for coastal engineering applications through the use of immersion cables, laid on the water bottom, thus achieving a deeper and more detailed detection of the formations underneath. Careful positioning of the profiles related to the available geologic, geomorphological, bathymetric, and drilling data and to the requirements of engineers, can give thicknesses of loose material as well as the bedrock relief. The formations and their interfaces are clearly defined either by calibration with available drilling data or by high resistivity changes which indicate discontinuities with resistivity values related to permeability and saline water presence. Two case studies are under examination. The first concerns the preservation of an old iron bridge in Lavrion Port with reinforcement and new foundations. Here, the geophysical investigation detects the formation on which the bridge was founded, as well as the loose material above it. The second case study concerns geophysical investigation asked by a construction company for the marine excavation work needed in the new Mesta port. Here, the geophysical measurements with the detected formations give valuable information with respect to the volume of material, equipment, time and cost of excavation as well as where the foundations will be laid for new constructions. © 2012 Society of Exploration Geophysicists. en
heal.journalName Geophysics en
dc.identifier.doi 10.1190/geo2011-0349.1 en
dc.identifier.volume 77 en
dc.identifier.issue 3 en
dc.identifier.spage B97 en
dc.identifier.epage B105 en


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