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Textile Reinforced Reactive Powder Concrete and its Application for Facades
RISE - Research Institutes of Sweden, Built Environment, CBI Swedish Cement and Concrete Research Institute.
RISE - Research Institutes of Sweden, Safety and Transport, Safety. (Mechanics Research)
RISE - Research Institutes of Sweden, Safety and Transport, Safety. (Mechanics Research)
RISE - Research Institutes of Sweden, Built Environment, CBI Swedish Cement and Concrete Research Institute.
2017 (English)Conference paper (Refereed)
Abstract [en]

Reactive powder concrete (RPC) is a fairly novel material with extraordinary strength and durability properties. Due to these properties, it is increasingly being utilized also for external facade cladding thus enabling a considerable reduction in the thickness of concrete elements. Commercial RPC formulations on the market have drawbacks in terms of sustainability due to their high clinker content and heat curing which is often applied to increase final strength and material density. The presented study focusses on improved formulations with higher replacement levels of cement clinker by supplementary cementitious materials (SCMs). One different mix formulation was designed and tested in terms of mechanical properties. The formulation was combined with carbon textile reinforcements primarily to enhance the flexural and tensile behavior of the material. The results showed that even with clinker replacement levels of up to 33 % of the total binder amount, a satisfactory mechanical performance of the RPC mix could still be achieved. Fairly steep strength gains rendered heat treatment unnecessary. The incorporation of carbon textile fiber grids proved to be effective in improving the post peak performance of the RPC. However, their performance depended strongly on the bond between the carbon grid and the RPC. Higher moister contents in the concrete proved to reduce the bond strength between the carbon textile and the cement paste. This is maybe less relevant for facades but structural elements with textile reinforcement and RPC might perform less well in completely submerged environment.

Place, publisher, year, edition, pages
2017. No.53
Keyword [en]
Reactive powder concrete, textile reinforcement, flexural behavior, mineral additions
National Category
Building Technologies
Identifiers
URN: urn:nbn:se:ri:diva-29216OAI: oai:DiVA.org:ri-29216DiVA: diva2:1087060
Conference
Eleventh High Performance concrete (11th HPC) and the Second Concrete Innovation Conference (2nd CIC), Tromsø, 6-8 March 2017
Projects
SESBE
Funder
EU, FP7, Seventh Framework Programme, 608950
Available from: 2017-04-05 Created: 2017-04-05 Last updated: 2017-04-05Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
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