Question 3Consider 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 beamconfigurations 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, bwof 150 mm.bf top60175Beam F40900280001300Variablef'c (Mpa)h (mm)As (mm²)A's (mm²)bf,top (mm)Beam A4090028000650h75Beam B2090028000650475Beam C40180028000650As200Beam D4090056000650Beam E4090028001400650

fy =400 MPabw =150 mmneed to discuss1-Discuss the effect of changing f'c, h, As, A's, and be, top on…

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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

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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Concept explainers

Bars

In civil engineering, bars refer to steel reinforcement bars or rebars. These are structural members primarily used for reinforcement purposes in masonry works. A bar is characterized by its cross-sectional area, which is negligible compared to its length. Bars are usually manufactured by steel which is uniform throughout the length, or by meshing multiple steel wires. Other materials of the bar include carbon steel, glass fiber, carbon fiber, and basalt fiber. The reinforcing bars are coated with epoxy resins and other materials to enhance some of their properties including corrosion resistance.

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Step 4: calculation of beam section B

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Step 5: calculation of beam section F

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Step 6: Calculation of beam section E

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