Design a rectangular tied column for flexure in a reinforced concrete frame is subjected to the following loading scenarios: a. PD=200 kips, MD = 200 k-ft, PL = 100 kips, ML = 400 k-ft

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Analysis and Design of Columns
Design a rectangular tied column for flexure in a reinforced concrete frame is subjected to the following
loading scenarios:
a. PD = 200 kips, MD = 200 k-ft, PL = 100 kips, ML = 400 k-ft
b.
PD = 150 kips, MD = 200 k-ft, PL = 100 kips, ML = 400 k-ft
c. PD = 200 kips, MD = 150 k-ft, PL = 100 kips, ML = 400 k-ft
PD = 200 kips, MD = 200 k-ft, PL = 150 kips, ML = 400 k-ft
d.
e. PD = 200 kips, MD = 200 k-ft, PL = 100 kips, ML = 150 k-ft
For your design consider the following load combinations:
i) 1.2 DL + 1.6 LL, and
ii) 1.4 DL
In your design use concrete with compressive strength of 4,000 psi and Grade 60 steel bars.
(Hint: Initially consider the maximum axial load demand. After determining the column dimensions,
check for all cases to find the required reinforcement ratio.)
Note: You can use Interaction diagrams from any textbook. Make sure you attach the interaction
diagram to your solution indicating how it was used.
Transcribed Image Text:Analysis and Design of Columns Design a rectangular tied column for flexure in a reinforced concrete frame is subjected to the following loading scenarios: a. PD = 200 kips, MD = 200 k-ft, PL = 100 kips, ML = 400 k-ft b. PD = 150 kips, MD = 200 k-ft, PL = 100 kips, ML = 400 k-ft c. PD = 200 kips, MD = 150 k-ft, PL = 100 kips, ML = 400 k-ft PD = 200 kips, MD = 200 k-ft, PL = 150 kips, ML = 400 k-ft d. e. PD = 200 kips, MD = 200 k-ft, PL = 100 kips, ML = 150 k-ft For your design consider the following load combinations: i) 1.2 DL + 1.6 LL, and ii) 1.4 DL In your design use concrete with compressive strength of 4,000 psi and Grade 60 steel bars. (Hint: Initially consider the maximum axial load demand. After determining the column dimensions, check for all cases to find the required reinforcement ratio.) Note: You can use Interaction diagrams from any textbook. Make sure you attach the interaction diagram to your solution indicating how it was used.
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How did you come up with the size of the rectangular cross section b = 16 inches and h = 24 inches in step 3 of this solution?

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Does the solution for part a really end once the sketch for the tied column is drawn. Dont you have to check for the minimum width of the cross section?

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