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Load–Strength Interference

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Presentation on theme: "Load–Strength Interference"— Presentation transcript:

1 Load–Strength Interference
Chapter 5 Load–Strength Interference © 2012 John Wiley & Sons, Ltd.

2 Figure 5.1 Distributed load and strength: (a) non-overlapping distributions, (b) overlapping distributions.

3 Figure 5. 2 Effect of safety margin and loading roughness
Figure 5.2 Effect of safety margin and loading roughness. Load L’ causes failure of a proportion of items indicated by the shaded area.

4 Figure 5.3 Truncation of strength distribution by screening.

5 Figure 5.4 Failure probability–safety margin curves when both load and strength are normally distributed (for large n and n = 1) (Carter, 1997).

6 Figure 5.5 Characteristic regions of a typical failure probability–safety margin curve (Carter, 1997).

7 Figure 5.6 Failure probability–safety margin curves for asymmetric distributions (loading roughness = 0.3) (Carter, 1997).

8 Figure 5.7 Failure probability–safety margin curves for asymmetric distributions (loading roughness = 0.9) (Carter, 1997).

9 Figure 5.8 Load data (sampled at 10 s intervals).

10 Figure 5.9 Load-Strength distribution chart generated with Weibull++® for Example 5.3 (Reproduced by permission of ReliaSoft).


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