The uniform stress condition pictured in Fig. 1-2d exists throughout8 V* x4 g, w3 [1 u6 a7 u
the length of the bar except near the ends. The stress distribution at the2 _3 @* j! @, B
end of a bar depends upon how the load P is transmitted to the bar. If the
) m. D' ^( l7 N# v) S, S- Iload happens to be distributed uniformly over the end, then the stress; V8 f: [; _) O5 v
pattern at the end will be the same as everywhere else. However, it is
0 }8 E+ r7 h: G3 _& x/ Smore likely that the load is transmitted through a pin or a bolt, producing
1 n3 J, z$ j+ ~2 Dhigh localized stresses called stress concentrations., u. w/ g* S3 L3 ]2 M
) B# ?3 j1 K- `5 O# n7 v
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