1. Check the reinforcement ratio for the given beam.2. Calculate the area of steel required3. Calculate the number of #20 bars to be used to provide the needed area of steel4. Draw a neat and clean diagram of the final configuration of how the bars are placed.(25/30B420C500P= 0. 01540 mm400 mmUse Bar # 20

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reinforcement ratio for the given beam.

Fundamentals Of Construction Estimating

4th Edition

ISBN:9781337399395

Author:Pratt, David J.

Publisher:Pratt, David J.

Chapter5: Measuring Concrete Work

Section: Chapter Questions

Problem 6RQ

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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.

Question

1. Check the reinforcement ratio for the given beam.
2. Calculate the area of steel required
3. Calculate the number of #20 bars to be used to provide the needed area of steel
4. Draw a neat and clean diagram of the final configuration of how the bars are placed.
(25/30
B420C
500
P= 0. 015
40 mm
400 mm
Use Bar # 20

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