7.2-12 - SECTION 7.2 Plane Stress 577 Solution 7.2-11...

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Unformatted text preview: SECTION 7.2 Plane Stress 577 Solution 7.2-11 Biaxial stress (welded joint) y UA- — ‘Tv . "rim “w: ww—q-—sm 26 -1- 1'_\-‘.COS 21) : m 375 psi (In = 01‘. -1- 03. V ”in z - 125 psi STRESSES ACTING UN T1112 \VEIJ? _ 1‘3. 373 [351K 03‘. z 500 psi r13. : {150 psi TE 2 0 3 in. _ . z —- 7 " {—1 f) = urclun 2-7—- = urctun 0.0 : 30.96“ 3‘" L5 p51 . :3 m. 7" : 375 gm (1* 03. + on. a}. —- a". a}! z j —'— + v—--3—-'-C05 20 + 7.030126 m 275 psi WWW—*mm . 12.0 MPH Problem 12-12 Solve the Preceding problem for a Plan: of dimensions [3 A i 1 A ”’1me H1 100 mm X 250 mm subjected to a compressive stress: 01' 2.5 MPa in the ,ow r7 ‘ _ __ — «imp; 1--—~ . . . z . . I 791133: long d1rccnon and a [ensue stress of 12.0 MPa 111 the short d1recllun (see figure). (TI - [TV Tim x WW1 1 Sin 20 + 1"\._\.C(}ES EH : 5.0 MPa ‘9 u a]. + {I}. ~ In} 2 10.0 MPH S'I‘RESSES ACTING ON THE WELD 10.0 1:15.93 a, :415 MR: a). = 12.0 Mle 7.3. m 0 100 mm H z . «tr m— = ur‘mn 0.4 2 21.80” m an 250 mm 1- 0-“. = 10.01%le F ”I + a". “.1- _ m T“. = w5.0 MP3 '1” a, = ' + —_J—— 00521) -1- 1'"... sin 26 ‘I ______7 3| .0 0.5 MPa WWW—“MW ...
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