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IASS-SLTE Symposium 2014: Shells, Membranes and Spatial Structures: Footprints


IASS Symposium 2014

SESSION: Tension and Membrane Structures

Design and construction focused on initial tensile force of cable structures - latest interesting construction examples

< Table of Contents for Tension and Membrane Structures
  • Proceedings Name: IASS-SLTE Symposium 2014: Shells, Membranes and Spatial Structures: Footprints
  • ISSN: (Electronic Version) 2518-6582
  • Session: Tension and Membrane Structures
  • Title: Design and construction focused on initial tensile force of cable structures - latest interesting construction examples
  • Author(s): Kenichi MORISHITA, Hideki TAGAWA, Minoru SUZUKI, Akira OKADA, Naoya MIYASATO, Masao SAITOH
  • Keywords: cable structure, initial tensile force, prestress, construction
Abstract
Tension structure is mainly composed of the strings or the membrane that can resist only tensile force, and it is possible to shape light weight frames and have excellent mechanical rationality. Tension structure is one of a representative of spatial structures. In this paper, cable structure using cables as the string is discussed. Cables cannot resist compressive force and have geometric nonlinearity. The installation of amount of initial tensile force corresponding to role of cables is important factor when cable structures are designed. In addition, the selection of the introduction methods of prestress is also important factor for structural design or construction planning. Firstly, in this paper, the authors focus on two types of the tensile force -the initial tensile force (under dead load) and the incremental tensile force (under live load and snow load) - and then categorize cable structures. Secondly, the introduction methods of prestress are classified. Recent designs and interesting construction examples are instantiated, and the roles of cables, the introduction methods of prestress and the details are presented.

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