ESDU 84039
Strength of angles and club-foot fittings (transmitting tensile loads).
Abstract:
ESDU 84039 gives methods for estimating the stresses in, deflections of, and ultimate load capacity of angle and club-foot fittings used to provide a tensile load path across a joint or through an intervening member. For even the simplest joint the complex behaviour under load, resulting from the interplay of stiffnesses of the various elements of the joint, is not amenable to accurate analysis. Accordingly, simplified models are provided that can be used to determine the major effects of the many factors that affect joint strength and deflection. Design criteria are discussed and possible failure modes for various parts of the joint are listed. The effect of the position of the bolt on deflection and stresses is analysed. A comparison is included of experimental results for failure loads of the bolt and the leg with predictions made using the simplified models proposed.Indexed under:
Details:
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This Data Item contains 7 interactive graph(s) as listed below.
| Graph | Title |
|---|---|
| Figure 1 | Typical load versus heel-lift curve |
| Figure 2 | Form factors for solid rectangular sections in bending and tension |
| Figure 3 | Maximum bending moment Mb in thin feet |
| Figure 4 | Bending moments in double-sided angles |
| Figure 5 | Comparison of theory and experimental values of P at ultimate failure of the leg when the load line is offset from the leg centre-line |
| Figure 6 | Comparison of bolt failure loads with simple theoretical estimates |
| Figure a1 |