A COMPARATIVE STUDY OF DIFFERENT MORPHOLOGIES OF OPTIMALLY STRESSED STAYED COLUMNS

Jan Van Steirteghem, Willy De Wilde, Philippe Samyn, Benjamin Verbeeck

Research output: Chapter in Book/Report/Conference proceedingConference paper

Abstract

When a compressive member is designed, it is important to avoid lateral buckling. In order to achieve a higher
buckling load, one may enlarge the cross section of the element, improve the boundary conditions, or put an elastic
support in the middle of the member. Different morphologies of stayed columns have been proposed as an efficient
system. In this paper, three different morphologies are presented. A first morphology is a stayed column with one
cross arm, hinged or fixed to the central column, and four stays (Figure 1.a). A second shape is a stayed column with
several hinged cross arms, symmetrically positioned along the central column (Figure 1.b). Finally a stayed column
with one split up cross arm, hinged to the central column is presented (Figure 1.c). The influence of the different
geometrical parameters and the optimal pretension are studied. A tool for designing these members, taking
imperfections into consideration is presented. Furthermore these stayed columns are compared to the Euler column
with regard to their efficiency (the minimal volume in order to sustain the same given load).
Original languageEnglish
Title of host publicationIASS 2004 SYMPOSIUM MONTPELLIER: From models to realization
EditorsRené Motro
PublisherInternational Association Shells and Space Structures
Publication statusPublished - 2004
EventFinds and Results from the Swedish Cyprus Expedition: A Gender Perspective at the Medelhavsmuseet - Stockholm, Sweden
Duration: 21 Sep 200925 Sep 2009

Publication series

NameIASS 2004 SYMPOSIUM MONTPELLIER: From models to realization

Conference

ConferenceFinds and Results from the Swedish Cyprus Expedition: A Gender Perspective at the Medelhavsmuseet
Country/TerritorySweden
CityStockholm
Period21/09/0925/09/09

Bibliographical note

René Motro

Keywords

  • cable stayed structures
  • buckling

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