RESEARCH ARTICLE


Experimental and Numerical Study for the Shaping Formation of SCST Structures by Cable-tensioning



J.W. Kim1, J. H. Doh*, 2, S. Fragomeni3
1 Department of Ocean Civil Engineering, Gyeongsang National University, Gyeongnam, 650-160, Korea
2 Griffith School of Engineering, GriffithUniversity, Gold Coast Campus, Queensland 4222, Australia
3 School of Engineering and Science, Victoria University, Australia


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© 2013 Kim et al;

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the Griffith School of Engineering, Griffith University, Gold Coast Campus, Queensland 4222, Australia; Tel: +61(7)55529141; Fax: +61(7)55528065; E-mail: J.doh@griffith.edu.au


Abstract

This paper discusses the behaviour characteristics of the shaping formation of Single-Chorded Space Truss (SCST) structures by means of cable-tensioning of bottom chords. The innovative technique is fast and economical and issued in many types of space structures. The small-scale test models presented herein consist of uniform pyramids with multi-directional ball type joints which are erected into their final shape by cable-tensioning. Since the joint behaviour is very significant in studying the shaping of SCST structures, basic tests for beam and pyramidal units were performed. The feasibility of the proposed cable-tensioning technique and the reliability of the established geometric model were confirmed by finite element analysis. The proposed cable-tensioning technique indicates that the behaviour characteristic of joints is very important in the shaping formation of SCST structures. More specifically in situations where heavy cranes are inaccessible, the cable-tensioning construction technique has proven to be an easy and reasonable method compared to conventional construction methods that typically include heavy cranes and scaffolding.

Keywords: Finite Element Analysis, Mechanism, Nonlinear, Cable-tensioning, SCST structure, Shaping Formation.