3.1 Explain how shear stresses produce tension cracks in concrete. 3.2 List down the factors that affect the allowable shear in concrete beams and write down the formula for shear strength of concrete in reinforced concrete beams. 3.3 What are the types of reinforcement used to resist shear? Describe the action of different types of shear steel in resisting shear.

3.1 Explain how shear stresses produce tension cracks in concrete. 3.2 List down the factors that affect the allowable shear in concrete beams and write down the formula for shear strength of concrete in reinforced concrete beams. 3.3 What are the types of reinforcement used to resist shear? Describe the action of different types of shear steel in resisting shear.

Construction Materials, Methods and Techniques (MindTap Course List)

4th Edition

ISBN:9781305086272

Author:William P. Spence, Eva Kultermann

Publisher:William P. Spence, Eva Kultermann

Chapter3: Properties Of Materials

Section: Chapter Questions

Problem 4RQ: How does a tensile stress differ from a compressive stress?

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A. Write a detailed note on stress-strain characteristics of reinforced concrete and steel. B. Explain the difference between the Normal stress and Shear stress. C. Explain the difference between the Normal strain and Shear strain.
Subject: Reinforced Concrete Structures exam
Bonus
Stress and strain analysis
Determine the tensile steel ratio of a singly reinforced concrete beam for the following conditions using concrete strength f’c = 21 MPa and steel yield strength fy = 420 MPa. if the tensile strain is set as 0.009 upon crushing of concrete at a strain of 0.003. = [rr] (5 decimal places)
The cross-section of the reinforced concrete beam having an effective depth of 500 mm is shown in the figure (not drawn to the scale). The grades of concrete and steel used are M35 and Fe550. respectively The area of tension reinforcement is 400 mm. It is given that the corresponding to 0.2% proof stress, the material safety factor is 1.15 and the yield strain of Fe550 steel i5 0.0044. 500 mm 100 mm 200 mm A = 400 mm As per IS 456:2000, the limiting depth (in mm, round off to nearest integer) of the neutral axis measured from the extreme compression fiber, is