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Sökning: L773:9788282080255

  • Resultat 1-10 av 21
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  • Blanksvärd, Thomas, et al. (författare)
  • Textile reinforced concrete sandwich panels
  • 2011
  • Ingår i: Nordic Concrete Research. - Oslo : Norsk Betongforening. - 9788282080255 ; , s. 517-520
  • Konferensbidrag (refereegranskat)
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  • Fjellström, Peter, et al. (författare)
  • Crack-free concrete : an understanding of creep
  • 2011
  • Ingår i: Nordic Concrete Research. - Oslo : The Nordic Concrete Federation. - 9788282080255 ; , s. 477-480
  • Konferensbidrag (refereegranskat)abstract
    • A durable structure of concrete is achieved when no cracking occurs during the young ages of the hardening process. Therefore, it’s of importance to address shrinkage and creep correctly. Drying is the primary source of shrinkage, and the time development in shrinkage is an effect of the balance between drying and creep. Therefore, creep is to be measured on sealed and non-sealed specimens in order to investigate the nature of drying creep. Measurements will be performed for loading ages up to 1 year. These experimental data will be used to create accurate models, including both short and long term effects.
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  • Fjällberg, Leif, et al. (författare)
  • A new type of accelerator for Portland cement
  • 2011
  • Ingår i: Nordic Concrete Research: Research projects 2011. - Oslo : The Nordic Concrete Federation. - 9788282080255 ; , s. 265-268
  • Konferensbidrag (refereegranskat)
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  • Hallgren, Mikael (författare)
  • Punching Shear on Steel Egde Columns
  • 2011
  • Ingår i: Nordic Concrete Research. - Oslo : Norsk Betongforening. - 9788282080255 ; , s. 183-186
  • Konferensbidrag (refereegranskat)abstract
    • In the design of flat slabs supported on steel edge columns, the same design method for punching shear as for slabs on ridged concrete columns is usually adopted. This has been questioned, as a slender steel column cannot transfer the hogging moment of the slab which is normally assumed in punching shear design. An alternative design method based on beam shear analogy has been proposed and also been verified by non-linear finite element analyses.
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  • Hansson, Håkan, 1969-, et al. (författare)
  • Initial study of oblique hard target projectile impact of normal and high strength concrete targets
  • 2011
  • Ingår i: Nordic concrete research: Research projects 2011. - 9788282080255 ; , s. 63-66
  • Konferensbidrag (refereegranskat)abstract
    • The ability to predict penetration resistance in concrete is necessary to evaluate the vulnerability of protective designs for impacts by penetrating weapons, or deformable projectiles. The paper presents experimental work regarding oblique projectile impact of both normal strength and high performance concrete targets with modern type of hard target penetrators. Furthermore, finite element (FE) analyses of non-normal projectile impacts of the normal strength concrete targets are presented, and its limitations discussed.
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  • Resultat 1-10 av 21

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