Correspondence The Analysis of Continuous Ridged Portal Frames

Mr. Ernest Granter, who will be installed as President of the Institution on October 9th, is a Civil Engineer with the London County Council.

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