The Suspended Foundation Slab of the Swedbank Arena in Stockholm (Sweden): 16,000 m3 (21,000 cu yd) of Steel Fiber Reinforced Concrete

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Title: The Suspended Foundation Slab of the Swedbank Arena in Stockholm (Sweden): 16,000 m3 (21,000 cu yd) of Steel Fiber Reinforced Concrete

Author(s): Xavier Destree, Hans Oscarsson and Mats Pettersson

Publication: Special Publication

Volume: 280

Issue:

Appears on pages(s): 1-12

Keywords:

Date: 12/27/2011

Abstract:
Steel fiber-only structural reinforcement at a rate of 40-50kg/m³(66-82lb/cu yd) has been used as the sole method of reinforcement of suspended structural slabs which are slabs cast on the ground and supported by a grid of piles. Typical applications include warehouses, factories, office and condominium buildings, towers and, as shown in this paper, sport arenas. The span to depth ratio is between 8 to 22. The 60,000 seating capacity Swedbank Arena in Solna (Stockholm, Sweden) is a project located on a site which does not show any available ground bearing capacity so that the site has been piled completely prior to installing the foundation slab. The pile grid lies between 3m (20ft) and 7m (25ft) distance and the slab’s thicknesses equal 300mm(12in) and 350mm(14in). The suspended foundation slab consists of 16,000cu.m(20,700cu yd). worth of steel fiber reinforced concrete, the total area being 50,000m²(550,000sq.ft): the grass area for the soccer game or as exhibition and concert hall, the technical rooms, and the external parking area, respectively highlighted in green, pink and orange in Fig.3.