Author: Hirschmann, E W
First published: N/A
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Hirschmann, E W
The paper describes the structural engineering aspects of the extension of British Overseas Airways Corporation’s wing hangar at London Airport to receive the VClO aircraft. The basic factors affecting the evolution of the final scheme are given, particularly with reference to future requirements. The reasons for the choice of reinforced lightweight concrete for the roof beams are stated, and the development of the design in this medium is described. Comparison is made between the permissible stresses adopted at the time of the design and those now permitted by amendment No. 1 to CP 114 : 1957.
N.J. Payne and K.F. Shadbolt
In order to efficiently design a battened strut under an eccentrically applied load, its two main members can be chosen to have different properties of cross section. This paper presents a theoretical analysis for the determination of the critical load of
such unsymmetrical battened struts under axial as well as eccentric loads. An expression is deduced for the direct determination of this critical load which, when inserted in one of the approved design formulae, will give the required failure load.
The analysis showed that the critical load of battened struts, different from solid struts depend on the eccentricity of loading. Comparison with existing experimental data is found to be satisfactory.