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The Structural Engineer, Volume 30, Issue 10, 1952
These notes describe one particular part of the work recently completed at Mess Spillers’ Soya Mills at Atlantic Wharf, Cardiff (Fig), where old warehouse and silo buildings have been modified and re-equipped. John Faber
The paper describes the use of prestressed concrete in the primary and secondary beams of a block of 1O hangars at London Airport. The primary beams were 150 ft. clear span and were cast in situ with precast diaphragms; the secondary beams were 11O ft. clear span and were precast in segments 7 ft. 2 in. long. A.J. Harris
Sir,-A method has recently been described, for analysing continuous ridged portal frames of any number of spans by calculating fixed-end moments and forces produced by the loading, and then imposing a succession of rotational and linear displacements at eaves joints until the restraining moments and forces at these points all become negligibly small.