ESDU 91008:2011

$62.40

Strength of Lugs Under Axial Load

Published By	Publication Date	Number of Pages
ESDU	2011-09	37

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Category: ESDU

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Description

ESDU 91008 provides data to determine the minimum load to cause
failure by rupture or maximum permissible permanent deformation of
parallel-sided and tapered lugs with round or square ends under
axial loading. Consideration of the effects of pin bending in a
double shear joint is also included. The data on axial failure
apply to any metallic material. The data include empirical factors
that are geometry and material dependent and are presented as
curves. The theory on which their calculation is based is outlined.
A Fortran computer program, ESDUpac A9108, is provided to determine
the factors for lugs fabricated from any metallic material. The
program requires input of the material characteristics and an
elastic stress concentration factor that may be found from ESDU
81006. A complete lug strength analysis calculation is included to
illustrate the use of the program and data. Information on the
analysis of lugs under transverse and oblique loads is provided in
ESDU 06021 and ESDU 08007 respectively.