Steel Fiber-Reinforced Concrete Consortium - Sustainable steel fiber concrete structures

Lars Nyholm Thrane

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Workers casting steel fiber-reinforced concrete.

Steel Fiber-Reinforced Concrete Consortium - Sustainable steel fiber concrete structures

Project start January 2010. Completed June 2013.

Summary

The Danish Technological Institute (DTI) was the project manager of the  Steel Fiber-Reinforced Concrete (SFRC) Consortium. This was an innovation consortium comprising industrial companies, research institutions, and consultancy firms. The project was funded by the participating partners and the Danish Agency for Science, Technology, and Innovation. The project aimed at enhancing concrete structures sustainability by improving working environment, productivity, and aesthetics through increased use of SFRC. Also, the project focused on developing well-documented and applicable solutions for selected load bearing construction elements such as foundations, walls, and prefabricated pre-stressed beams. It is anticipated that a considerable amount of these elements will be replaced with a steel fiber solution within a 5 year frame from the project completion. The project included 5 work packages: I) simulation of form filling and mechanical properties of steel fibre-reinforced self-compacting concrete (SFRSCC), II) material development and testing, III) design guide, IV) execution control and methods, and V) demonstration and knowledge-transfer. The first demonstration project was carried out in Aalborg, Denmark. Specifically, the bottom slab for a large rainwater basin (380 m3) was cast using SFRSCC. By doing so, the amount of conventional reinforcement was reduced, leading to costs savings of about 30 %.

Project objectives

  • Promote the use of SFRC
  • Enhance concrete structures sustainability by improving working environment, productivity, and aesthetics through the use of SFRC
  • Develop well-documented and applicable solutions for selected load bearing Construction

Participants

  • Aalborg Portland A/S, DK
  • Bekaert A/S, DK
  • Confederation of Danish Industry, DK
  • Convi ApS, DK
  • COWI A/S, DK
  • CRH Concrete A/S, DK
  • Danish Precast Concrete Association, DK
  • Danish Road Directorate, DK
  • Danish Technological Institute, DK
  • Femern A/S, DK
  • Hi-Con A/S, DK
  • MT Højgaard A/S, DK
  • Rail Net Denmark (Banedanmark), DK
  • Technical University of Denmark (DTU), DK
  • The Danish Construction Association, DK
  • Unicon A/S, DK