3. Compute the resisting moment with respect to the x-x axis for the A36 steel member shown. Thecover plates are attached with continuous fillet welds, and the compression flange has full lateralsupport. (Use F1= 24 ksi.)For the W18X 50: (section depth) d = 17.99 in.Ix= 800 in 410" x " plateW18 X 5010" X" plate AppendixExpressions for axially loaded compression member:KIFor-< C. =2T²E[1 – (Kl/r)²/(2C? )]FyF, =5 3(Kl/r) _ (Kl/r)³8CcFy|21²E1212EKIFor-> CcFaFy23(KI/r)2Pa =FaAExpressions for beam:MR = F,S, in which S =-Expressions for tension member:Pt = A,F , in which F = 0.6FyP; = A,Ft , in which F = 0.5FuP = A.Ft , in which Ae = U An, F = 0.5FuP = A,F, + A,F; , in which Fy = 0.30Fµ , F; = 0.50FuP = nr,, in which r, = ApFv, ry = d t F,TABLE 2-1 Values for Reduction Coefficient, UU = 0.90W, M, S shapes or their tees.Connection is to the flanges.Minimum of three bolts per line in the direction ofCase Istress.(min.)(min.)U = 0,85All shapes and built-up cross sections not meetingthe requirements of case I. Minimum of three boltsper line in the direction of stress.Case IIU = 0.75All members whose connections have only two boltsper line in the direction of stress.Case IIIUnits:ksi : kips per square inchkips: kilo poundslb/ft: pounds per footkips/ft: kilo pounds per foot

The resisting moment is given by: Where, I = Moment of inertia y = Depth of neutral axis.

3. Compute the resisting moment with respect to the x-x axis for the A36 steel member shown. The cover plates are attached with continuous fillet welds, and the compression flange has full lateral support. (Use Fb= 24 ksi.) For the W18X 50: (section depth) d = 17.99 in. Ix = 800 in.4 10" X " plate W18 X 50 10" X " plate

3. Compute the resisting moment with respect to the x-x axis for the A36 steel member shown. The cover plates are attached with continuous fillet welds, and the compression flange has full lateral support. (Use Fb= 24 ksi.) For the W18X 50: (section depth) d = 17.99 in. Ix = 800 in.4 10" X " plate W18 X 50 10" X " plate

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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