An axially loaded rectangular tied column is to be designed for the following service loads. Dead Load = 1600 kN, Live Load= 845 kN, with its required strength, U=12 DL+1.6 LL. The effective cover to centroid of reinforcement is 70 mm. The concrete strength, fc= 27.5 MPa, while the steel yield strength fy = 415 MPa. Using 3% vertical steel ratio, what is the required column width if architectural considerations limit the width of the column in one direction to 400 mm? For a column section 400 mm x 500 mm, vertical reinforcement consists of 16 bars. Which of the a) b) following gives the diameter of vertical bars (mm) if the required minimum steel ratio is 3%?
An axially loaded rectangular tied column is to be designed for the following service loads. Dead Load = 1600 kN, Live Load= 845 kN, with its required strength, U=12 DL+1.6 LL. The effective cover to centroid of reinforcement is 70 mm. The concrete strength, fc= 27.5 MPa, while the steel yield strength fy = 415 MPa. Using 3% vertical steel ratio, what is the required column width if architectural considerations limit the width of the column in one direction to 400 mm? For a column section 400 mm x 500 mm, vertical reinforcement consists of 16 bars. Which of the a) b) following gives the diameter of vertical bars (mm) if the required minimum steel ratio is 3%?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:An axially loaded rectangular tied column is to be designed for the following service loads. Dead Load =
1600 kN, Live Load = 845 kN, with its required strength, U=1.2 DL+1.6 LL. The effective cover to centroid
of reinforcement is 70 mm. The concrete strength, f'c= 27.5 MPa, while the steel yield strength fy= 415 MPa.
a)
Using 3% vertical steel ratio, what is the required column width if architectural considerations limit the
width of the column in one direction to 400 mm?
For a column section 400 mm x 500 mm, vertical reinforcement consists of 16 bars. Which of the
following gives the diameter of vertical bars (mm) if the required minimum steel ratio is 3%?
b)
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