Title:
Minimal transverse reinforcement of reinforced concrete members
Author(s):
T. Godycki-Ćwirko, M. Wesołowski
Publication:
KILW
Volume:
51
Issue:
4
Appears on pages(s):
533-559
Keywords:
reinforced concrete
DOI:
Date:
10/1/2005
Abstract:
The first part of this paper deals with the issue of minimal reinforcement against shearing of reinforced concrete members in the light of standard regulations and taking into account the recommendations from the European standard norm Eurocode 2 and from the Polish standard PN-B-03264:2002. These two standards have been compared to the German norm standard DIN 1045, the American standard ACI-318 and the Canadian standard CSA A233. A particular consideration was given to the comparison of the values of transverse forces that are carried by the reinforced concrete member with no reinforcement against shearing according to the above-mentioned standards well as to the resulting minimal level of transverse reinforcement. The analysis performed have showed a significant discrepancy of the results that had been obtained, which proves that a clear-cut solution to the problem in question has not been found yet. The second part of this paper consists of an analysis of the experimental study results concerning the load capacity of members with no transverse reinforcement, which give basis for verification of the recommendations related to the minimal reinforcement against shearing. As the results of the analysis have proven, the load capacity of this kind of members is greatly influenced by the scale-effect, the underestimation of which may lead to a dangerous overestimation of the load capacity of these members.