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Verification of punching shear outside the shear cap by the direct method

Abstrakt

The proposition of a method to verify the punching resistance for very large supports based on the EN 1992-1-1 standard is described in this paper. The present standard guidelines for the calculation of the punching resistance for large supports are also summarised. The proposed direct method is compared with other standard methods using an example taken from design practice. This method consists of a direct check of the shear forces at specific locations of the control perimeter with the permissible shear force calculated from the EC2 standard. The method showed very good agreement with the experiment while remaining practical for applications. The method presented takes into account the actual distribution of shear forces in the vicinity of the support, taking into account the influence of non-uniform loads, irregular floor geometry, the concentration of internal forces at the corners of the support and the influence of the stiffness of the head used. The paper provides scientists, engineers, and designers new method (called the direct method) for estimation of the punching load-bearing capacity outside the shear cap.

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach
Opublikowano w:
Archives of Civil Engineering nr 68, strony 359 - 375,
ISSN: 1230-2945
Język:
angielski
Rok wydania:
2022
Opis bibliograficzny:
Grabski M., Ambroziak A.: Verification of punching shear outside the shear cap by the direct method// Archives of Civil Engineering -Vol. 68,iss. 4 (2022), s.359-375
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.24425/ace.2022.143043
Źródła finansowania:
  • COST_FREE
Weryfikacja:
Politechnika Gdańska

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