Self-Compacting Concrete Consortium - Guidelines for mix design and execution of SCC

Lars Nyholm Thrane

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Slum test of a SCC concrete mix.

Self-Compacting Concrete Consortium - Guidelines for mix design and execution of SCC

Project start October 2013. Completed October 2006.

Summary

The Danish construction industry, including the concrete industry, is facing big challenges. Productivity, working environment, quality, and aesthetics are the key words in approaching the future’s still heavier demands in the international competition. Thus, Self-Compacting Concrete (SCC) has been appointed as the future type of concrete. Concrete is the world’s most important construction material. In Denmark, approx. 8 mill tons of concrete – Ready-mixed and Pre-fabricated – is manufactured per year, corresponding to 1.5 tons per inhabitant. SCC is the designation of a type of concrete that does not have to be consolidated to fill up a form and to encase reinforcement. Using SCC can thus improve the productivity, the working environment, and the quality significantly, while opening up possibilities of constructions with architectural more sophisticated design. Despite the increasing use of SCC in Denmark, there are still several unsolved issues when using SCC. Also, the use of SCC has stagnated in some countries. Hence, it is necessary to give the concrete industry the needed/necessary technology lift, ensuring that SCC can live up to the expectations to the future type of concrete. This is the reason why 17 companies and research centres joined forces and founded the Innovation Consortium for Self-Compacting Concrete – a technology jump for productivity and working environment in the construction industry colloquially called SCC Consortium.

Project objectives

  • Offer to the part of construction industry that works with concrete the necessary technology lift so that SCC becomes the most used concrete product in Denmark
  • Ensure the Danish cement and concrete industry becomes the leading country in Europe as far as knowledge on material design, production, and SCC execution concerns.

Participants

  • Aalborg Portland A/S, DK
  • Betonelement A/S, DK
  • Danish Road Directorate, DK
  • Danish Technological Institute, DK
  • Dragsholm Beton ApS, DK
  • Ecole Polytechnique Federale de Lausanne - EPFL, CH
  • Eidgenössische Materialprüfungs- und Forschungsanstalt - EMPA, CH
  • Elkem Materials, NO
  • Emineral A/S, DK
  • MT Højgaard A/S, DK
  • NCC (Resources), DK
  • Technical University of Denmark, DK
  • The Benchmark Centre for the Danish Construction Sector, DK
  • The Working Environment Centre for the Danish Construction Sector (Alectia), DK
  • Videometer A/S, DK
  • 4K Beton A/S, DK