Author: Kroie, A
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Kroie, A
The Structural Engineer, Volume 38, Issue 7, 1960
THE PRESIDENT said the meeting would agree that they had listened to a very able introduction of a most informative paper. A good deal of work in connection with this subject had passed and was passing through Mr. Waters' hands and it was being dealt with in the efficient and quiet way which was symbolised by the efficient and quiet way in which he had introduced the paper.
The different types of shear failure of reinforced concrete rectangular and T-beams are described in order to show that the shear strength depends on factors additional to those recognized by the design formulae. Results of experiments on the influence on shear strength of the size of the compression zone of the beam and of hooks on plain and deformed bars are presented. Tests on rectangular beams with varying amounts of compression reinforcement suggest that this does not affect the shear capacity of the beam. A. M. Neville and and E. Lord
The flexibility which is inherent in nominally rigid joints and footings in plane frames is known not to affect the value of the plastic collapse load. The object of the present paper is to show that substantial amounts of flexibility can often occur without affecting the deflections at the point of collapse, that is when the plastic collapse load has just been attained but no motion of the collapse mechanism has taken place. This is in striking contrast to the obvious increase in the deflections in the elastic range of behaviour when flexibility of any kind is present. Professor G. Neal