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ow. Discuss the effect of changing fc, h, As, A's and bf top on Mr. ad leggt offective way to in Acqu woh thickne VV

ow. Discuss the effect of changing fc, h, As, A's and bf top on Mr. ad leggt offective way to in Acqu woh thickne VV

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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Question 3 Consider the I-shaped bridge beam cross-section shown below. Assume each beam has fy = 400 MPa. Use your spreadsheet to compute Mr (considering c = 0.65 and s = 0.85) for each of the beam configurations noted in the table below. Discuss the effect of changing fc, h, As, A's and bf,top on Mr. Discuss what is the most effective, and least effective way, to increase Mr. Assume a web thickness, bw of 150 mm. bf top 60 175 Beam F 40 900 2800 0 1300 Variable f'c (Mpa) h (mm) As (mm²) A's (mm²) bf,top (mm) Beam A 40 900 2800 0 650 h 75 Beam B 20 900 2800 0 650 475 Beam C 40 1800 2800 0 650 As 200 Beam D 40 900 5600 0 650 Beam E 40 900 2800 1400 650
Transcribed Image Text:Question 3 Consider the I-shaped bridge beam cross-section shown below. Assume each beam has fy = 400 MPa. Use your spreadsheet to compute Mr (considering c = 0.65 and s = 0.85) for each of the beam configurations noted in the table below. Discuss the effect of changing fc, h, As, A's and bf,top on Mr. Discuss what is the most effective, and least effective way, to increase Mr. Assume a web thickness, bw of 150 mm. bf top 60 175 Beam F 40 900 2800 0 1300 Variable f'c (Mpa) h (mm) As (mm²) A's (mm²) bf,top (mm) Beam A 40 900 2800 0 650 h 75 Beam B 20 900 2800 0 650 475 Beam C 40 1800 2800 0 650 As 200 Beam D 40 900 5600 0 650 Beam E 40 900 2800 1400 650
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