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


IASS Symposium 2016

SESSION: Shell Structures

Free-form structures from semi-precast planar concrete elements

< Table of Contents for Shell Structures
  • Proceedings Name: IASS 2016 Tokyo Symposium: Spatial Structures in the 21st Century
  • ISSN: (Electronic Version) 2518-6582
  • Session: Shell Structures
  • Pages: 9
  • Title: Free-form structures from semi-precast planar concrete elements
  • Author(s): Romuald Tarczewski, Michal Swieciak
  • Keywords: free-form surfaces, planarization, concrete structures, semi-precast stay-in-place elements
Abstract
The paper presents a concept of construction of free-form shell on a precast stay-in-place formwork (e.g. Filigran or similar). Thin reinforced concrete slabs with built-in tension and shear reinforcement, with the topology obtained by the modified VSA algorithm are hinge-connected along the edges, to form a self-stable polyhedral surface. The upper layer of concrete is casted on site. This method allows implementation of the free-form structures resulting in significant cost savings due to reducing or even eliminating the formwork and a shorter execution time.

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