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


IASS Symposium 2014

SESSION: General 3: Case Studies

Design of the Main Stand of the Todoroki Athletics Stadium

< Table of Contents for General 3: Case Studies
  • Proceedings Name: IASS-SLTE Symposium 2014: Shells, Membranes and Spatial Structures: Footprints
  • ISSN: (Electronic Version) 2518-6582
  • Session: General 3: Case Studies
  • Title: Design of the Main Stand of the Todoroki Athletics Stadium
  • Author(s): Osamu HOSOZAWA, Kohei SHIMAMURA, Yumi SAKAGUCHI
  • Keywords: Athletics stadium, J League, Pre-cast concrete, Cable structure, Prestressing tendon, Stress control, Deformation control
Abstract
The stadium introduced here is a class 1 IAAF authorized athletics stadium that was designed as the home stadium of the soccer J League team Kawasaki Frontale. It is currently under construction, which commenced on October 2013, and completion is scheduled for June 2015. The stadium has 6 stories above ground, a total floor area of about 22,000 m2, and a capacity of about 10,000 spectators (together with the existing part about 30,000 spectators). The 1st and 2nd stories are in-situ reinforced concrete construction, the structural form being a moment resisting frame structure with shear walls. The structure of the upper stand from the 3rd story upward is a forward leaning structure in order to bring the seating closer to the field, for which a precast concrete structure was adopted. The 5th and 6th stories together with the roof are made from structural steel, and suspended from the apex of the forward leaning structure. The upper stand structure which consists of precast concrete members is forward leaning, and the 5th and 6th story floor slabs are suspended from the top of the structure, so large bending stresses are produced. In this design, tension cables are provided on the ends of the roof on the opposite side to the field side, and by prestressing these cables a reverse bending moment is generated via the roof structure that is in the opposite direction to that of the dead load. Therefore stresses and deformations are controlled, and a stand structure that is light and gives a feeling of being close to the action is achieved. This paper describes the details of the design of the stadium, in particular the upper stand structure.

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