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Unformatted text preview: ﬂ; HQPSAS
I 6.45 .Two 20 x 450—mm steal plétcs are bbhtsd t0 four L15; x 152_><
' 19.0 an‘glestdform a beam with the cgoss station shown, The belts hava 21
22—11311 diameter and are spiced iongimdipallg every 125 mvanowing that
the allowablc’avcraga shearing siressi’n the boEtsis 90 MPaa dctﬁmﬁne £116
fargest pénnissiblevérﬁcal shéar in the bcaml (GE315:1} I" = 1896'X 106 1111114) ‘41. 8‘35 Knowing that a given vartical shear V causes a maximum shear
; stress 'of 10 ksi in the hatshaped extrusion shown, determine {ha L‘I‘espending shearing strsss at (a) point a, (19) point 19. 1111. ‘ 14in. \ lin.
Fig. P635 6111 The vertical shear is 25 kN in a beam having the emsS Seer: shown. Knowing that d = 50 mm, determine the shearing stress a; (a) min?“
_ a“: (5)) point I). 8 mm 120 mm , 1"" Zak??? mm»’x*‘“7r4 811m NA.» mwmwwu ;. 45 35:5 m i
f ’§ gawk ‘vamgguaw. déwmm w $133,? , f,
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g. ‘ my 7,1 ihraugh 35.3? For the given state Of stress, determine {he normal and
shearing stresses exerted on the oblique face of the shaded triangular element Showm Use a method of analysis based on the equilibrium of {has element, as
was done in the derivations of Sec. 7.2. t 45 M Pa Lil“ 27 MPa 18 Ml’a ——u— Fig. 97.1 3.33“ w i , :2» game)“ , “via 4;
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 Spring '09
 MOORTHY
 Shear Stress, Shear strength, shaded triangular element, fargest pénnissiblevérﬁcal shéar, cgoss station

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