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CE3400_Final

# CE3400_Final - CE 3400 Makeup Final Exam Summer 2008...

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Unformatted text preview: CE 3400 Makeup Final Exam Summer 2008 E’roblem 1 {40 ﬁts) For the beam and loading shown, 20133 12' kips L5 kipsm _ 8 (Sit <~8ﬁ~+_ 10ft 1. Draw the Shear Force Diagram (SFD). You may use any method you like as long A as you show full work. 2. Draw the Bending Moment Diagram (BMD). You may use any method you like as long as you show full work. 3. Select the most economical W-shape knowing that the allowable stress in bending o is 22 ksis Problem 2 {30 ﬁts! For the beam and loading shown, determine the slope and deﬂection at D, knowing that the ﬂexural rigidity of the beam E1 = 100 31:106 N.m2. Problem No. 3 (25 pts) A rectangular steel bar supports a compressive concentric load P = 58.5 KN. Both ends are ﬁxed (i.e., built in). If the Modulus of Elasticity E is 210 GPa, what is the maximum length the bar can be ‘ i . _ _ b = an moi Without experiencmg buckling failure? h 3 883232;} CE 3400 Makeup Fina! Exam Problem N0. 4 (30 pts) A steel bar and a brass bar, shown in ﬁgure, are pieced between two waits 10°. Determine the force exerted on the when the temperature 55 T1 rigid (supperts), when the temperature becomes T2 = 20°. The materiai properties and cross-sectionai areas of each bar are given in the figure. Problem N0» 5 (25 pts) For the 3d state of stress shown, determine the values of G"), for which the 3d maximum shear stress 2'in =64 (MPa) Summer 2008 Steei Brass is: z 399 GE’e Ebr = “100 GPa a“ = 12am) [1°C (15, : mama/0c Agt = 290 mm2 Ab, = 450 mm2 a 300 mm-4 300 mm Figure: M2M7P4£79 Capyn'ght G 2008 Pearsnn Prentice Hail, inc. y 48 MPa ...
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