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IASS 2016 Tokyo Symposium: Spatial Structures in the 21st Century

IASS Symposium 2016

SESSION: Conceptual Design

On the Configuration of 1.5-Layer Space Frames

< Table of Contents for Conceptual Design
  • Proceedings Name: IASS 2016 Tokyo Symposium: Spatial Structures in the 21st Century
  • ISSN: (Electronic Version) 2518-6582
  • Session: Conceptual Design
  • Pages: 8
  • Title: On the Configuration of 1.5-Layer Space Frames
  • Author(s): Pei-Shan Chen
  • Keywords: 1.5-layer space frame, space frame, single layer space frame, double layer space frame, lattice shell, Qingming Shanghe Tu
A 1.5-Layer Space Frame, which is invented by the author, is a bar-linked structure configured with one-layer of chords and diagonal members. Unlike a conventional double layer space frame, the 1.5-Layer Space Frame has no lower chords, or when it is oriented upside down, no upper chords. Unlike a single layer space frame, the diagonal members are mounted onto the chords (a latticed shell) and efficiently strengthen it so that the entire structure can be constructed in subtle curvatures or as a plane. The present paper introduces the ontology and methodology for assembling a 1.5-Layer space frames with Lap-units, Crossing-units, Triple connecting and units of polygon Pyramids, etc. Furthermore, the author demonstrates that all the proposed configuration patterns are stable and able to be used for practical structural design. In addition, the author demonstrates the relation between the vertical displacement and the depth of a 1.5-Layer Space Frame.

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