The uniform stress condition pictured in Fig. 1-2d exists throughout/ j* C7 `3 O' J: h% g3 U+ q
the length of the bar except near the ends. The stress distribution at the
$ K6 H) |! B/ L1 Z: aend of a bar depends upon how the load P is transmitted to the bar. If the" x! M! @2 r1 O% c
load happens to be distributed uniformly over the end, then the stress
2 J5 Q& Y0 \" w( z1 `' v6 c. tpattern at the end will be the same as everywhere else. However, it is
1 P, F; j* r2 Emore likely that the load is transmitted through a pin or a bolt, producing) X% l2 ]+ S' N. i" i' j
high localized stresses called stress concentrations.
. p: P, T8 w- y M! }4 [4 |1 e, l1 }0 @( z, M
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