1. A steel column has an unsupported height of 5.4 m is pin connected at both ends with sidesway is prevented. It carries an total axial load of 530 kN, Mx = 20 kNm, My = 3 kNm at the top and Mx = 13.5 kN, My = 1 kNm at the bottom which causes bending to both major and weak axis (single curvature for both axis). Except for bracings at the top and bottom there is no lateral bracing about either major and minor axis of the column. Fy= 250 MPa. USE ASD and check if the section is adequate
1. A steel column has an unsupported height of 5.4 m is pin connected at both ends with sidesway is prevented. It carries an total axial load of 530 kN, Mx = 20 kNm, My = 3 kNm at the top and Mx = 13.5 kN, My = 1 kNm at the bottom which causes bending to both major and weak axis (single curvature for both axis). Except for bracings at the top and bottom there is no lateral bracing about either major and minor axis of the column. Fy= 250 MPa. USE ASD and check if the section is adequate
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
Please answer the problem attached image. Thank you very much. Use NSCP 2015.
Hint: the answer Pr = 530 kN
Pc = 717.96 kN
Mrx (w/ amplification factor) = 20 kNm
Mry (w/ amplification factor) = 5.05 kNm
Mcx = 117.72 kNm
Mcy = 49.85 kNm
Interaction Value = 0.98 < 1.0 safe - adequate section
Transcribed Image Text:1. A steel column has an unsupported height of 5.4 m is pin connected at both ends with sidesway is
prevented. It carries an total axial load of 530 kN, Mx = 20 kNm, My = 3 kNm at the top and Mx = 13.5
kN, My = 1 kNm at the bottom which causes bending to both major and weak axis (single curvature
for both axis). Except for bracings at the top and bottom there is no lateral bracing about either major
and minor axis of the column. Fy = 250 MPa. USE ASD and check if the section is adequate
Properties of W section
A = 8590 mm²
d = 256 mm
bf=201 mm
tf = 16 mm
tw = 9 mm
rts = 57.8 mm
rx = 111 mm
ry = 51.5 mm
kdes = 28.4 mm
Ix = 103 x 106 mm*
ly= 22.2 x 106 mm*
Sx = 806 x 10³ mm³
Sy = 219 x 10³ mm³
Zx = 902 x 10³ mm³
Zy = 333 x 10³ mm³
J = 629 x 10³ mm³
C₂ = 1.0
Kx = Ky = 1.0
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 4 steps with 1 images
Recommended textbooks for you
Structural Analysis (10th Edition)
Civil Engineering
ISBN:
9780134610672
Author:
Russell C. Hibbeler
Publisher:
PEARSON
Principles of Foundation Engineering (MindTap Cou…
Civil Engineering
ISBN:
9781337705028
Author:
Braja M. Das, Nagaratnam Sivakugan
Publisher:
Cengage Learning
Structural Analysis (10th Edition)
Civil Engineering
ISBN:
9780134610672
Author:
Russell C. Hibbeler
Publisher:
PEARSON
Principles of Foundation Engineering (MindTap Cou…
Civil Engineering
ISBN:
9781337705028
Author:
Braja M. Das, Nagaratnam Sivakugan
Publisher:
Cengage Learning
Fundamentals of Structural Analysis
Civil Engineering
ISBN:
9780073398006
Author:
Kenneth M. Leet Emeritus, Chia-Ming Uang, Joel Lanning
Publisher:
McGraw-Hill Education
Traffic and Highway Engineering
Civil Engineering
ISBN:
9781305156241
Author:
Garber, Nicholas J.
Publisher:
Cengage Learning