Undersökning av ytförstärkta murade tegel- och lättklinkerväggars bärförmåga

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Sammanfattning

Strengthening of masonry walls is a means to improve the energy performance of modern external masonry walls without further increasing their total thickness. The present paper evaluates the feasibility - here refer-ring to ease-of-application and structural performance - of several techniques aimed at strengthening mason-ry walls subjected to eccentric axial loading. Four full scale walls made of solid clay bricks and lightweight aggregate concrete blocks were strengthened using externally bonded reinforcement of conventional steel mesh, high-strength steel wire, masonry reinforcement and mechanically fastened strips of steel sheet. Each of the studied strengthening techniques is feasible from a structural perspective. Mechanically fastened steel strips require the least work, and no render is required since the steel is not exposed to fire. Steel mesh can be applied directly on the wall surface, which lowers the thickness of the render layer. Continued research with more replicates will confirm the presented conclusions.
Bidragets titel på inmatningsspråkUndersökning av ytförstärkta murade tegel- och lättklinkerväggars bärförmåga
Originalspråkengelska
Titel på gästpublikationBrick and Block Masonry - From Historical to Sustainable Masonry
Undertitel på gästpublikationProceedings of the 17th International Brick and Block Masonry Conference
RedaktörerJan Kubica, Arkadiusz Kwiecień , Łukasz Bednarz
FörlagCRC Press/Balkema
Sidor987-993
Antal sidor7
ISBN (elektroniskt) 978-1-003-09850-8
ISBN (tryckt) 978-0-367-56586-2
StatusPublished - 2020 jul 5

Ämnesklassifikation (UKÄ)

  • Husbyggnad

Nyckelord

  • Masonry
  • strengthening
  • externally bonded reinforcement
  • clay brick
  • light weight concrete
  • eccentric axial loading

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