Please answer nos. 31, 32 and 33A=11229rx=132ry=73Fy=382 A W 12 x 65 steel section is used as acompression member. It is 8 m long, pinnedconnected at each end and has an additional31) Determine the critical slenderness ratio of x-axis.32) Determine the critical slenderness ratio of y-axis.support in the weak direction at a point 3.6 m.from the top. Assume Kx = Ky = 1.0.33) Determine the nominal compressive strength of the column. (kN)34) Determine the design strength of the column (LRFD). (kN)Prop. of W 12 x 6535) Determine the allowable strength of the column (ASD). (kN)A = 11220 + A mm?d = 307.85 mmbr = 304.80 mm3.6t = 15.37 mmx= 130 + B mmry = 65 +C mmZz = 1586 x 10° mm³Z, = 723 x 10° mm³S. = 1440 x 10° mm³S, = 477 x 10° mmm.4.4 m.Fy: 350 + Y MPaE = 200000 MPaU = 1.2 DL + 1.6 LLUse LRFD.

The given data is shown below: A=11229 mm2rx=132 mmry=73 mmFy=382 mm

A W 12 x 65 steel section is used as a compression member. It is 8 m long, pinned connected at each end and has an additional 31) Determine the critical slenderness ratio of x-axis. 32) Determine the critical slenderness ratio of y-axis. support in the weak direction at a point 3.6 m. 33) Determine the nominal compressive strength of the column. (kN)

A W 12 x 65 steel section is used as a compression member. It is 8 m long, pinned connected at each end and has an additional 31) Determine the critical slenderness ratio of x-axis. 32) Determine the critical slenderness ratio of y-axis. support in the weak direction at a point 3.6 m. 33) Determine the nominal compressive strength of the column. (kN)

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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Question

Please answer nos. 31, 32 and 33 A=11229 rx=132 ry=73 Fy=382

A W 12 x 65 steel section is used as a
compression member. It is 8 m long, pinned
connected at each end and has an additional
31) Determine the critical slenderness ratio of x-axis.
32) Determine the critical slenderness ratio of y-axis.
support in the weak direction at a point 3.6 m.
from the top. Assume Kx = Ky = 1.0.
33) Determine the nominal compressive strength of the column. (kN)
34) Determine the design strength of the column (LRFD). (kN)
Prop. of W 12 x 65
35) Determine the allowable strength of the column (ASD). (kN)
A = 11220 + A mm?
d = 307.85 mm
br = 304.80 mm
3.6
t = 15.37 mm
x= 130 + B mm
ry = 65 +C mm
Zz = 1586 x 10° mm³
Z, = 723 x 10° mm³
S. = 1440 x 10° mm³
S, = 477 x 10° mm
m.
4.4 m.
Fy: 350 + Y MPa
E = 200000 MPa
U = 1.2 DL + 1.6 LL
Use LRFD.

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