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1. Draw the design P-M diagram (moment about the X-axis) for a 18"x 18" column reinforced with 4#11 (As= As'=3.12 in²). The concrete strength F'c= 6 ksi and Fy= 60 ksi. The clear cover is 2.5" to the bar's centroid. Show calculations for the following five points: a) Pure axial compression b) Balanced Failure c) Strain in tension steel = 0.0 in/in d) Stress in tension steel = 0.5 Fy e) Strain in tension steel = 0.004 in/in f) Pure axial tension 2. Design the ties required

1. Draw the design P-M diagram (moment about the X-axis) for a 18"x 18" column reinforced with 4#11 (As= As'=3.12 in²). The concrete strength F'c= 6 ksi and Fy= 60 ksi. The clear cover is 2.5" to the bar's centroid. Show calculations for the following five points: a) Pure axial compression b) Balanced Failure c) Strain in tension steel = 0.0 in/in d) Stress in tension steel = 0.5 Fy e) Strain in tension steel = 0.004 in/in f) Pure axial tension 2. Design the ties required

Structural Analysis
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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1. Draw the design P-M diagram (moment about the X-axis) for a 18"x 18" column reinforced with 4#11 (As= As'=3.12 in²). The concrete strength F'c= 6 ksi and Fy= 60 ksi. The clear cover is 2.5" to the bar's centroid. Show calculations for the following five points: a) Pure axial compression b) Balanced Failure c) Strain in tension steel = 0.0 in/in d) Stress in tension steel = 0.5 Fy e) Strain in tension steel = 0.004 in/in f) Pure axial tension 2. Design the ties required
Transcribed Image Text:1. Draw the design P-M diagram (moment about the X-axis) for a 18"x 18" column reinforced with 4#11 (As= As'=3.12 in²). The concrete strength F'c= 6 ksi and Fy= 60 ksi. The clear cover is 2.5" to the bar's centroid. Show calculations for the following five points: a) Pure axial compression b) Balanced Failure c) Strain in tension steel = 0.0 in/in d) Stress in tension steel = 0.5 Fy e) Strain in tension steel = 0.004 in/in f) Pure axial tension 2. Design the ties required
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