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THE PRESIDENT introduced the Authors who, in turn, presented the particular sections of the paper with which they were primarily concerned.
THE iteration method of frame analysis developed by Dr Ing. G. Kani, has proved to be extremely satisfactory for the analysis of any type of conventional multi-storeyed building frame under any given loadingl,2. The Author proposes to extend this method to the solution of more complex structures of the type shown in Fig. l , where a column continues through more than one floor without any beams connected to it. Frames of this type are met with frequently in the design of factory structures. It may be mentioned from the outset, that the fundamental ideas of Dr. Kani are only slightly modified so as to cover such complex frames. The method has however been explained from first principles to make the paper complete in itself.
B. N. Thadani
It is known that the use of high strength friction grip bolts for structural steelwork provides a method of jointing which is comparable or superior to that of hot driven rivets. There are, of course, complications associated with the use of these bolts in such matters as tools; the effect of bolt thread conditions (whether dry, oiled, plated, greased etc.,) on the tension/torque relationship, and the coefficient of friction between mating surfaces. Investigations towards improving the technique in relation to these and other factors should clearly embrace not only alternative but also supplementary methods of improving joint efficiency.
J. Ritchie, P. Gregory and A. J. Bangay