The rigid frame shown is unbraced. The members are oriented so that bending is about the strong axis. Support conditions in the direction perpendicular to the plane of the frame are such that Ky = 1.0. The beams are W410 x 85, and the columns are W250 x 89. A992 steel is used, Fy=345 mPa. The axial compressive dead load is 750 kN and the axial compressive live load is 900 kN. Use the AISC alignment chart or Magdy I. Salama Formula for Kx. SECTION W250x89 4500 L A Ix Sx m mm^2 mm^4 mm^3 11400 143 1100 W410x85 5500 10800 315 1510 171 ГX ly Sy Zx ry Zy mm mm^4 mm^3 mm mm^3 mm^3 mm^3 112 48.4 378 65.2 1230 574 1040 18 199 40.8 1730 310 926 Which of the following best gives the axial strength of column AB? Use the NSCP 2015 LRFD specifications. O 2,340 KN 4.5 m 1,647 kN -5.5 m O 2,745 KN O 2,471 KN 6.0 m E Cw mm^9 713 716

The rigid frame shown is unbraced. The members are oriented so that bending is about the strong axis. Support conditions in the direction perpendicular to the plane of the frame are such that Ky = 1.0. The beams are W410 x 85, and the columns are W250 x 89. A992 steel is used, Fy=345 mPa. The axial compressive dead load is 750 kN and the axial compressive live load is 900 kN. Use the AISC alignment chart or Magdy I. Salama Formula for Kx. SECTION W250x89 4500 L A Ix Sx m mm^2 mm^4 mm^3 11400 143 1100 W410x85 5500 10800 315 1510 171 ГX ly Sy Zx ry Zy mm mm^4 mm^3 mm mm^3 mm^3 mm^3 112 48.4 378 65.2 1230 574 1040 18 199 40.8 1730 310 926 Which of the following best gives the axial strength of column AB? Use the NSCP 2015 LRFD specifications. O 2,340 KN 4.5 m 1,647 kN -5.5 m O 2,745 KN O 2,471 KN 6.0 m E Cw mm^9 713 716

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

The rigid frame shown is unbraced. The members are oriented so that bending is about the strong axis.
Support conditions in the direction perpendicular to the plane of the frame are such that Ky = 1.0. The beams
are W410 x 85, and the columns are W250 × 89. A992 steel is used, Fy=345 mPa. The axial compressive dead
load is 750 kN and the axial compressive live load is 900 kN. Use the AISC alignment chart or Magdy I. Salama
Formula for Kx.
4.5 m
5.5 m
6.0 m
ly
Cw
Sx
mm^2 mm^4 mm^3
1100
1510
A
Ix
rx
Sy
ry
Zx
Zy
SECTION
m
mm^4 mm^3
378
mm^3 mm^3 mm^3 mm^9
1040
713
716
mm
mm
W250x89 4500 11400 143
W410x85 5500 10800 315
48.4
65.2 1230 574
1730 310
112
171
18
199
40.8
926
Which of the following best gives the axial strength of column AB? Use the NSCP 2015 LRFD specifications.
O 2,340 kN
1,647 kN
O 2,745 kN
O 2,471 kN

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