2021
DOI: 10.1002/suco.202100073
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Concrete screws as a post‐installed punching reinforcement

Abstract: A major part of central European infrastructure buildings was designed decades ago and has different needs of strengthening. Increasing traffic volume, increasing axle loads, and a growth in transport volume as well as more restrictive design rules are the reasons why the support regions of existing bridges and flat slabs often show a lack of punching resistance today. At the University of Innsbruck, a system for subsequent strengthening by the use of concrete screws was developed. Various laboratory tests sho… Show more

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Cited by 2 publications
(4 citation statements)
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“…Seit den Untersuchungen an Flachdeckenausschnitten von Graf (1933) [11] Punching shear reinforcement: a) bent up bars [12] taken from [61]; b) stirrups [62]; c) novel punching shear reinforcement [60]; d) concrete screws [63,64] perimentelle Versuchsergebnisse noch nicht vorhanden sind.…”
Section: Allgemeinesunclassified
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“…Seit den Untersuchungen an Flachdeckenausschnitten von Graf (1933) [11] Punching shear reinforcement: a) bent up bars [12] taken from [61]; b) stirrups [62]; c) novel punching shear reinforcement [60]; d) concrete screws [63,64] perimentelle Versuchsergebnisse noch nicht vorhanden sind.…”
Section: Allgemeinesunclassified
“… Bewehrungselemente: a) gebogene Stäbe [12] aus [61]; b) Bügel [62]; c) neuartige Durchstanzbewehrung [60]; d) Betonschrauben [63, 64] Punching shear reinforcement: a) bent up bars [12] taken from [61]; b) stirrups [62]; c) novel punching shear reinforcement [60]; d) concrete screws [63, 64] …”
Section: Meilensteine Der Entwicklungen Punktgestützter Platten Im Ma...unclassified
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