Hangars at London Airport Design of Large Span Prestressed Concrete Beams

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