Engineering Mechanics

International Conference

Proceedings Vol. 20 (2014)


ENGINEERING MECHANICS 2014

20th INTERNATIONAL CONFERENCE
May 12 – 15, 2014, Svratka, Czech Republic
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Editors: Vladimír Fuis

Copyright © 2014 Brno University of Technology Institute of Solid Mechanics, Mechatronics and Biomechanics

ISBN 978-80-214-4871-1 (printed)
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)

list of papers scientific commitee

THEORETICAL ALGORITHM TO ASSESS THE VALUES OF THE BREAKING LOAD OF THE BARS SITUATED IN THE SUPPORTING ZONE OF THE SLAB-COLUMN CONNECTION
Wieczorek B.
pages 757 - 760, full text

Catastrophes of reinforced concrete building structures, particularly slab-column structures, which happened so far, indicate the necessity of analyzing the behaviour of this type of structures exerted by additional loads. The destruction of the supporting zone due to punching and the lack of adequately constructed reinforcement may result in a progressive catastrophe. Instructions concerning the prevention of such situations are to be found only in CSA A23.3 (2011) and ACI 318 (2004). The present paper deals with a model of calculations which permits to assess the values of reserves of the load-bearing capacity of the supporting zone after its destruction by punching. The presented considerations are based on results of experimental investigations carried out on reinforced concrete models of slab-column connections in the scale 1:1. The model of calculations permits to assess the values of the forces of the load, at which the bars situated immediately in the supporting zone fail. This model was verified basing on the results of experimental investigations, performed on simplified tested models.


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