· A W18x106 of A36 steel is used as a compression member with length of 25ft. The top support is pinned while the other end support is fixed. a.) Determine the design strength of the section if the weak direction is braced at third points.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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A W18x106 of A36 steel is used as a compression member with length of 25ft. The top
support is pinned while the other end support is fixed.
a.) Determine the design strength of the section if the weak direction is braced at third
points.
b.) Determine the allowable strength of the section if the weak direction is braced at
15ft from the top.
For W18x106
J = 7.48in4
= 17400in6
A = 31.10in?
Sx
1910.00in* Sy
Iy = 220.00in* Zx = 230.00in3
k = 1.340in
204.00in³
= 11.20in
Ix
39.40in3 Cw
||
tf
= 0.940in
d = 18.70in
rx
= 7.840in
Zy = 60.50in³
tw
0.590in
ry = 2.660in
Transcribed Image Text:A W18x106 of A36 steel is used as a compression member with length of 25ft. The top support is pinned while the other end support is fixed. a.) Determine the design strength of the section if the weak direction is braced at third points. b.) Determine the allowable strength of the section if the weak direction is braced at 15ft from the top. For W18x106 J = 7.48in4 = 17400in6 A = 31.10in? Sx 1910.00in* Sy Iy = 220.00in* Zx = 230.00in3 k = 1.340in 204.00in³ = 11.20in Ix 39.40in3 Cw || tf = 0.940in d = 18.70in rx = 7.840in Zy = 60.50in³ tw 0.590in ry = 2.660in
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