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It is often found in the design of bridges, and sometimes in the design of floor slabs and beams for buildings, that the spans are of uniform section and symmetrically placed. C. Lawrence
A method is presented for the analysis of rigid space frames using iterative techniques. In no case are matrices larger than 3 x 3 used, so that the procedure may be carried out by manual methods or may, if desired, be programmed for computation using an electronic computer. The method is illustrated by two examples, one without sway and one involving sway of the frame. B. Rawlings
Mr. D. G. ,Alcock (Associate-Member) writes:- ‘The authors claim to present a unified approach for the determination of the degrees of freedom or indeterminacy of plane and space frames. In fact the claim is rather ambitious as it can only yield the degree of indeterminacy of a structure which is already known to be stable.'