Design of prestressed gridshells as smooth poly-hypar surface structures

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dc.citation.firstpage973
dc.citation.journalTitleStructures
dc.citation.lastpage984
dc.citation.volumeNumber30
dc.contributor.authorCao, Ting
dc.contributor.authorD'Acunto, Pierluigi
dc.contributor.authorCastellón, Juan José
dc.contributor.authorTellini, TelliniAlessandro
dc.contributor.authorSchwartz, Joseph
dc.contributor.authorZhang, Hong
dc.date.accessioned2021-02-24T19:15:37Z
dc.date.available2021-02-24T19:15:37Z
dc.date.issued2021
dc.description.abstractThis article demonstrates the design potentials of a recently developed approach for generating smooth poly-hypar surfaces, freeform surfaces made of combinations of hyperbolic paraboloids (hypars). In a smooth poly-hypar surface, the double curvature of the individual hypar modules and the smooth connections between them ensure global bending-free structural behaviour. In this article, the structural analysis of a prestressed gridshell as a smooth poly-hypar surface is introduced. Graphic statics is used to evaluate and control the distribution of internal forces within the structure. Moreover, a case study, the Hypar Pavilion, is presented as a prestressed gridshell as a smooth poly-hypar surface structure. The Hypar Pavilion was prefabricated using lightweight materials and low-tech manufacturing techniques. The entire gridshell was manually built out of forty individual hypars, which were combined following a specific sequence to ensure the kinematic stability of the ongoing construction without scaffolding.
dc.identifier.citationCao, Ting, D'Acunto, Pierluigi, Castellón, Juan José, et al.. "Design of prestressed gridshells as smooth poly-hypar surface structures." <i>Structures,</i> 30, (2021) Elsevier: 973-984. https://doi.org/10.1016/j.istruc.2021.01.047.
dc.identifier.digital1-s2-0-S2352012421000515-main
dc.identifier.doihttps://doi.org/10.1016/j.istruc.2021.01.047
dc.identifier.urihttps://hdl.handle.net/1911/110074
dc.language.isoeng
dc.publisherElsevier
dc.rightsThis is an open access article under the CC BY-NC-ND
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.titleDesign of prestressed gridshells as smooth poly-hypar surface structures
dc.typeJournal article
dc.type.dcmiText
dc.type.publicationpublisher version
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