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Situation: A beam has a width of 300 mm and an effective depth of 480 mm strength f'c-34 MPa. Steel yield strength fy=415 MPa The section is to be reinforced for tension only and the effective concrete cover is 70 mm. Deadload moment is 140 kN-m and the liveload moment is 180 kN-m. Use 2010 NSCP with et=0.005 What is the governing steel ratio? a. 0.0211 b. 0.0208 C. 0.00337

Situation: A beam has a width of 300 mm and an effective depth of 480 mm strength f'c-34 MPa. Steel yield strength fy=415 MPa The section is to be reinforced for tension only and the effective concrete cover is 70 mm. Deadload moment is 140 kN-m and the liveload moment is 180 kN-m. Use 2010 NSCP with et=0.005 What is the governing steel ratio? a. 0.0211 b. 0.0208 C. 0.00337

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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Situation: A beam has a width of 300 mm and an effective depth of 480 mm strength f'c-34 MPa. Steel yield strength fy=415 MPa The section is to be reinforced for tension only and the effective concrete cover is 70 mm. Deadload moment is 140 kN-m and the liveload moment is 180 kN-m. Use 2010 NSCP with Et=0.005 What is the governing steel ratio? a. 0.0211 b. 0.0208 C. 0.00337
Transcribed Image Text:Situation: A beam has a width of 300 mm and an effective depth of 480 mm strength f'c-34 MPa. Steel yield strength fy=415 MPa The section is to be reinforced for tension only and the effective concrete cover is 70 mm. Deadload moment is 140 kN-m and the liveload moment is 180 kN-m. Use 2010 NSCP with Et=0.005 What is the governing steel ratio? a. 0.0211 b. 0.0208 C. 0.00337
. What is the maximum number of bars needed for a 25mm diameter reinforcements? a. 6 b. 7 C. 1 d. 2 What is the minimum number of bars needed for a 25mm diameter reinforcements? a. 6 b. 7 C. 1 d. 2
Transcribed Image Text:. What is the maximum number of bars needed for a 25mm diameter reinforcements? a. 6 b. 7 C. 1 d. 2 What is the minimum number of bars needed for a 25mm diameter reinforcements? a. 6 b. 7 C. 1 d. 2
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