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Tension field in thin-walled aeronautical girders

Mańkowski J., Osiński J., Żach P.

Mechanics and Mechanical Engineering

2010

Vol. 14, nr 2

291-308

The paper describes the influence of the field of draws on the state of effort of thin-walled girders, particularly on the state of burdening elements of connections of metal sheets of web of an I-beam with elements of the framework, e.g.: of riveted joints appearing in structures of this type. In the paper were presented results of analyses of girders without and with lightening holes. A fact brought up in this paper, is that implementing lightening holes is raising the critical strength of covering but an also causes increase of normal stresses appearing in elements of the skeleton and of shear stresses in connections.