A W21x93 of A36 steel is used as a flexural member. The beam is simply supported and carries a point load on its midspan. a.) Determine the design strength if the member is laterally supported.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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A W21x93 of A36 steel is used as a flexural member. The beam is simply supported and
carries a point load on its midspan.
a.) Determine the design strength if the member is laterally supported.
b.) Determine the design strength for an unbraced length of 35ft.
For W21x93
A = 35.90in?
k = 1.460in
Sx
= 273.00in3 J = 8.98in*
bf = 12.40in
Ix = 2960.00in“ Sy = 49.20in³
Cw = 32700in6
tf =
0.960in
Iy = 305.00in*
Zx = 307.00in³
%3D
d = 21.70in
rx = 9.090in
Zy = 75.60in3
tw
= 0.600in
ry
= 2.920in
Transcribed Image Text:A W21x93 of A36 steel is used as a flexural member. The beam is simply supported and carries a point load on its midspan. a.) Determine the design strength if the member is laterally supported. b.) Determine the design strength for an unbraced length of 35ft. For W21x93 A = 35.90in? k = 1.460in Sx = 273.00in3 J = 8.98in* bf = 12.40in Ix = 2960.00in“ Sy = 49.20in³ Cw = 32700in6 tf = 0.960in Iy = 305.00in* Zx = 307.00in³ %3D d = 21.70in rx = 9.090in Zy = 75.60in3 tw = 0.600in ry = 2.920in
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