Dynamic behaviour of normally reinforced concrete wind turbine support structures

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dc.contributor.authorVan Zyl, W. S.en_ZA
dc.contributor.authorVan Zijl, G. P. A. G.en_ZA
dc.date.accessioned2016-10-18T07:30:03Z
dc.date.available2016-10-18T07:30:03Z
dc.date.issued2015-12
dc.descriptionCITATION: Van Zyl, W. S. & Van Zijl, G. P. A. G. 2015. Dynamic behaviour of normally reinforced concrete wind turbine support structures. Journal of the South African Institution of Civil Engineering, 57(4):38-44, doi:10.17159/2309-8775/2015/v57n4a5.
dc.descriptionThe original publication is available at http://www.scielo.org.za
dc.description.abstractENGLISH ABSTRACT: Transportation logistics of large steel towers have led to concrete towers becoming a viable option. There are currently no design codes dealing exclusively with the design of concrete wind turbine towers. Wind turbine towers have strict constraints on the fundamental frequency of the tower to avoid resonance. This paper investigates the dynamic behaviour of wind turbine towers using nonlinear finite element modelling. Focus is placed on the effect of crack formation and soil stiffness on the fundamental frequency of the tower. An analytical model is then proposed that can be used in the primary design stage to determine the geometry of the tower that satisfies the fundamental frequency requirements.en_ZA
dc.description.abstractAFRIKAANSE OPSOMMING: Geen opsomming beskikbaaraf_ZA
dc.description.urihttp://www.scielo.org.za/scielo.php?script=sci_abstract&pid=S1021-20192015000400005&lng=en&nrm=iso&tlng=en
dc.description.versionPublisher's version
dc.format.extent7 pages : illustrationsen_ZA
dc.identifier.citationVan Zyl, W. S. & Van Zijl, G. P. A. G. 2015. Dynamic behaviour of normally reinforced concrete wind turbine support structures. Journal of the South African Institution of Civil Engineering, 57(4):38-44, doi:10.17159/2309-8775/2015/v57n4a5.
dc.identifier.issn2309-8775 (online)
dc.identifier.issn1021-2019 (print)
dc.identifier.otherdoi:10.17159/2309-8775/2015/v57n4a5
dc.identifier.urihttp://hdl.handle.net/10019.1/99732
dc.language.isoen_ZAen_ZA
dc.publisherSouth African Institution of Civil Engineering
dc.rights.holderSouth African Institution of Civil Engineering
dc.subjectWind turbines -- Towersen_ZA
dc.subjectTransportation logisticsen_ZA
dc.subjectReinforced concreteen_ZA
dc.subjectStructural engineeringen_ZA
dc.titleDynamic behaviour of normally reinforced concrete wind turbine support structuresen_ZA
dc.typeArticleen_ZA
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