Development of deep Vs profiles and site periods for the Canterbury region

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dc.contributor.authorWotherspoon, L.M.
dc.contributor.authorBradley, Brendon
dc.contributor.authorHills, A.
dc.contributor.authorThomson, E.M.
dc.contributor.authorJeong, S.
dc.contributor.authorWood, C.M.
dc.contributor.authorCox, B.R.
dc.date.accessioned2015-09-29T20:29:09Z
dc.date.available2015-09-29T20:29:09Z
dc.date.issued2015en
dc.description.abstractRecent field investigations were carried out to define the shear wave velocity (VS) profile and site periods across the Canterbury region, supplementing earlier efforts in urban Christchurch. Active source surface wave testing, ambient wave field (passive) and H/V spectral ratio methods were used to characterise the soil profile in the region. H/V spectral ratio peaks indicate site periods in the range of 5-7 seconds across much of the Canterbury Plains, broadly consistent with those based on a 1D velocity model for the region. Site periods decrease rapidly in the vicinity of the Canterbury foothills and the Banks Peninsula outcrops. In Christchurch, the Riccarton Gravels result in a significant mode of vibration that has a much shorter period than the site period of the entire soil column down to basement rock.en
dc.identifier.citationWotherspoon, L.M., Bradley, B.A., Hills, A., Thomson, E.M., Jeong, S., Wood, C.M., Cox, B.R. (2015) Development of deep Vs profiles and site periods for the Canterbury region. Rotorua, New Zealand: 2015 New Zealand Society for Earthquake Engineering Annual Conference (NZSEE), 10-12 Apr 2015. 8.en
dc.identifier.urihttp://hdl.handle.net/10092/11022
dc.language.isoen
dc.publisherUniversity of Canterbury. Civil and Natural Resources Engineeringen
dc.rights.urihttps://hdl.handle.net/10092/17651en
dc.subject.anzsrcFields of Research::40 - Engineering::4005 - Civil engineering::400506 - Earthquake engineeringen
dc.subject.anzsrcField of Research::05 - Environmental Sciences::0503 - Soil Sciences::050305 - Soil Physicsen
dc.subject.anzsrcFields of Research::37 - Earth sciences::3706 - Geophysics::370609 - Seismology and seismic explorationen
dc.titleDevelopment of deep Vs profiles and site periods for the Canterbury regionen
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