Blar i forfatter Artikler, rapporter og annet (bygg, energi og materialteknologi) "Sjåfjell, Jørgen J."

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    • Evaluation of optimal replacement of natural aggregates by recycled concrete aggregates to achieve sufficient durability 

      Novakova, Iveta; Sjåfjell, Jørgen J.; Venkrbec, Vaclav (Preprint; Manuskript, 2022)
      The use of recycled concrete aggregate (RCA) is one way to reduce the depletion of raw materials for the production of concrete. In this article RCA was tested and evaluated. Concrete with 25 to 80 % of RCA was examined in terms of its durability performance, particularly capillary absorption and shrinkage. Capillary absorption testing showed that RCA has better or identical results as the reference ...