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Characterisation of ground motion recording stations in the Groningen gas field

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dc.contributor.authorNoorlandt, Riken
dc.contributor.authorKruiver, Pauline P.en
dc.contributor.authorde Kleine, Marco P. E.en
dc.contributor.authorKaraoulis, Mariosen
dc.contributor.authorde Lange, Geren
dc.contributor.authorDi Matteo, Antonioen
dc.contributor.authorvon Ketelhodt, Juliusen
dc.contributor.authorRuigrok, Elmeren
dc.contributor.authorEdwards, Benjaminen
dc.contributor.authorRodriguez-Marek, Adrianen
dc.contributor.authorBommer, Julian J.en
dc.contributor.authorvan Elk, Janen
dc.contributor.authorDoornhof, Dirken
dc.contributor.departmentCivil and Environmental Engineeringen
dc.date.accessioned2019-09-10T13:19:42Zen
dc.date.available2019-09-10T13:19:42Zen
dc.date.issued2018-05en
dc.description.abstractThe seismic hazard and risk analysis for the onshore Groningen gas field requires information about local soil properties, in particular shear-wave velocity (V (S)). A fieldwork campaign was conducted at 18 surface accelerograph stations of the monitoring network. The subsurface in the region consists of unconsolidated sediments and is heterogeneous in composition and properties. A range of different methods was applied to acquire in situ V (S) values to a target depth of at least 30 m. The techniques include seismic cone penetration tests (SCPT) with varying source offsets, multichannel analysis of surface waves (MASW) on Rayleigh waves with different processing approaches, microtremor array, cross-hole tomography and suspension P-S logging. The offset SCPT, cross-hole tomography and common midpoint cross-correlation (CMPcc) processing of MASW data all revealed lateral variations on length scales of several to tens of metres in this geological setting. SCPTs resulted in very detailed V (S) profiles with depth, but represent point measurements in a heterogeneous environment. The MASW results represent V (S) information on a larger spatial scale and smooth some of the heterogeneity encountered at the sites. The combination of MASW and SCPT proved to be a powerful and cost-effective approach in determining representative V (S) profiles at the accelerograph station sites. The measured V (S) profiles correspond well with the modelled profiles and they significantly enhance the ground motion model derivation. The similarity between the theoretical transfer function from the V (S) profile and the observed amplification from vertical array stations is also excellent.en
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.1007/s10950-017-9725-6en
dc.identifier.eissn1573-157Xen
dc.identifier.issn1383-4649en
dc.identifier.issue3en
dc.identifier.pmid29755286en
dc.identifier.urihttp://hdl.handle.net/10919/93518en
dc.identifier.volume22en
dc.language.isoenen
dc.rightsCreative Commons Attribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectShear-wave velocityen
dc.subjectField measurementsen
dc.subjectMASWen
dc.subjectCross-hole tomographyen
dc.subjectSeismic cone penetration testen
dc.subjectShallow geologyen
dc.subjectLateral heterogeneityen
dc.titleCharacterisation of ground motion recording stations in the Groningen gas fielden
dc.title.serialJournal of Seismologyen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten
dc.type.dcmitypeStillImageen

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