The uniform stress condition pictured in Fig. 1-2d exists throughout
; K: [* t' E8 x6 F9 }, r% `the length of the bar except near the ends. The stress distribution at the8 p/ O0 ?" S) |
end of a bar depends upon how the load P is transmitted to the bar. If the
1 `$ m% b8 n$ k' ]6 pload happens to be distributed uniformly over the end, then the stress
( S6 t# k, H" z8 c) _+ ? q, B( ?( Spattern at the end will be the same as everywhere else. However, it is
2 U; \1 }3 i+ Bmore likely that the load is transmitted through a pin or a bolt, producing5 r3 G2 h7 O. o8 S9 r. y
high localized stresses called stress concentrations.2 G0 x# G9 l0 R( C T
5 o5 r6 \+ x. Q' D4 j
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