Design typical exterior column (A) having a 450 mm width and 600 mm depth for the unbraced frame of the figure below for the load combination of 1.2D + 1.0L+ 1.6W. The axial compression is 1000 kN dead load and 1200 kN live load; bending moment is 80 kN.m dead load, 100 kN.m live load, and 120 kN.m wind load. Consider only the dead load to be sustained. The factored axial load Pu on the interior columns is 1.8 times that on the exterior columns. Use f'c =38 MPa, and fy = 420 MPa and d`=70 mm. Place .reinforcement symmetrically in two faces 3.5 mm 5.5 mm Q A y=1.0 Unbraced frame 450 mmx700mm beam Assume same size for all columns 7.5 m There are three interior columns
Design typical exterior column (A) having a 450 mm width and 600 mm depth for the unbraced frame of the figure below for the load combination of 1.2D + 1.0L+ 1.6W. The axial compression is 1000 kN dead load and 1200 kN live load; bending moment is 80 kN.m dead load, 100 kN.m live load, and 120 kN.m wind load. Consider only the dead load to be sustained. The factored axial load Pu on the interior columns is 1.8 times that on the exterior columns. Use f'c =38 MPa, and fy = 420 MPa and d`=70 mm. Place .reinforcement symmetrically in two faces 3.5 mm 5.5 mm Q A y=1.0 Unbraced frame 450 mmx700mm beam Assume same size for all columns 7.5 m There are three interior columns
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Design typical exterior column (A) having a
450 mm width and 600 mm depth for the
unbraced frame of the figure below for the
load combination of 1.2D + 1.0L+ 1.6W.
The axial compression is 1000 kN dead
load and 1200 kN live load; bending
moment is 80 kN.m dead load, 100 kN.m
live load, and 120 kN.m wind load.
Consider only the dead load to be
sustained. The factored axial load Pu on
the interior columns is 1.8 times that on
the exterior columns. Use f'c =38 MPa, and
fy = 420 MPa and d`=70 mm. Place
.reinforcement symmetrically in two faces
3.5 mm
5.5 mm
Q
A
y=1.0
Unbraced frame
450 mmx700mm beam
Assume same size
for all columns
7.5 m
There are three
interior columns
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