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


IASS Symposium 2016

SESSION: Projects & Construction

Tokorozawa Station: Use of upside down quadrangular conical columns as attractive structural frames and joints for a large spatial structure

< Table of Contents for Projects & Construction
  • Proceedings Name: IASS 2016 Tokyo Symposium: Spatial Structures in the 21st Century
  • ISSN: (Electronic Version) 2518-6582
  • Session: Projects & Construction
  • Pages: 7
  • Title: Tokorozawa Station: Use of upside down quadrangular conical columns as attractive structural frames and joints for a large spatial structure
  • Author(s): Yusuke Sugiyama, Osamu Hosozawa, Katsuhiro Ootake
  • Keywords: steel structure, joints, construction, simulation, large roof, details, connections, design station
Abstract
This study considers the upside down quadrangular conical columns (hereafter referred to UDQCC) used for conventional construction of joints in the large roof of the station building concourse formed by a large spatial frame.To ensure that the columns supporting the large roof would provide a sense of stability to the space, the UDQCC stretching overhead in three dimensions in a Y shape were placed starting from a height of 5m from the concourse floor level. Tapered steel tubes were used at both ends of the 4 diagonal columns to create an aesthetically beautiful structural frame design.This reduces the distance between binding beam supports and makes it possible to use an economical cross-section for the columns and binding beams, resulting in a supple and attractive design.

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