ESDU 91008: Strength of lugs under axial load

Abstract:

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. The 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 its calculation is based is outlined. A Fortran computer program, ESDUpac A9108, is provided to determine it 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.

Indexed under:

Lugs (Static Strength)

Details:

Data Item ESDU 91008
Format:	PDF with software with interactive graphs
Status:	Amendment (A), 01 Sep 2011 Published in Release 2011-10 (Oct 2011)
Previous Releases:	ESDU 91008
ISBN:	978 0 85679 770 5

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This Data Item is complemented by the following software:

Programs

Name

Details

ESDUpac A9108

Title	Lugs under axial tensile loading: tensile rupture factor.
Version	1.0

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This Data Item contains 7 interactive graph(s) as listed below.

Graph	Title
Figure 1a	Axial tensile rupture factor K_tux for parallel sided lugs
Figure 1b - Part 1	Axial tensile rupture factor K_tux for parallel sided lugs (round end)
Figure 1b - Part 2	Axial tensile rupture factor K_tux for parallel sided lugs (round end)
Figure 2a	Axial shear-bearing rupture factor K_qux
Figure 2b	Axial shear-bearing reduction factor K_r
Figure 3	Axial permanent deformation factor K_px
Figure 4	Load peaking factor for pin bending