Analysis of the different techniques for calculation of bearing capacity of flexural reinforced concrete deep beams

Abstract

The paper deals with the singularities of the design of deep beams without shear reinforcement according to different design codes, namely, STR 2.05.05:2005, EC2, EC2-SMM and ACI-318. The comparative analysis of calculation models, experimental verification, accuracy of models and the ranking of models according to the Modified Demerit Points Classification (MDP) method are presented. The results shown that despite the systematic error of the STR 2.05.05:2005 method is closest to 1 if compared to the other methods, it is classified as dangerous one according to the MDP ranking.