Civil Engineering (CE) Exam > Civil Engineering (CE) Questions > A reinforced concrete member is subjected to ...
Start Learning for Free
A reinforced concrete member is subjected to combined action of combined action of compressive axial force and bending moment. If ec is the best least compressive strain in the member, fy, the yield stress of steel and, Es, the modulus of elasticity of steel, the maximum permissible compressive strain in concrete member will be
- a)0.002
- b)0.002 fy(1.15 Es)
- c)0.0035 – 0.75 ec
- d)0.0035
Correct answer is option 'C'. Can you explain this answer?
| FREE This question is part of | Download PDF Attempt this Test |
Verified Answer
A reinforced concrete member is subjected to combined action of combin...
Ans.
View all questions of this test
Option (c)
Most Upvoted Answer
A reinforced concrete member is subjected to combined action of combin...
To understand why option C is the correct answer, let's consider the behavior of reinforced concrete members under combined axial force and bending moment.
When a reinforced concrete member is subjected to compressive axial force and bending moment, the concrete and steel in the member experience different stress-strain behaviors. Concrete is strong in compression but weak in tension, while steel is strong in both tension and compression.
The maximum permissible compressive strain in the concrete member is determined by the following factors:
1. Compressive strain in concrete (ec): This is the strain in the concrete at the extreme fiber of the compressive face of the member. It represents the maximum compressive strain that can be resisted by the concrete before it starts to crack or fail.
2. Yield stress of steel (fy): This is the stress at which the steel reaches its yield point and starts to deform plastically. It represents the maximum stress that can be sustained by the steel without permanent deformation.
3. Modulus of elasticity of steel (Es): This is the measure of stiffness of the steel. It represents the ratio of stress to strain in the elastic range of deformation.
Now, let's analyze the options given:
a) Option A: 0.002
This option suggests a constant value of 0.002 as the maximum permissible compressive strain in the concrete member. However, this value does not take into account the yield stress of steel or the modulus of elasticity of steel. It is not a comprehensive representation of the behavior of the member.
b) Option B: 0.002 fy(1.15 Es)
This option suggests a value based on the yield stress of steel and the modulus of elasticity of steel. However, it does not consider the compressive strain in the concrete. It is not a complete representation of the behavior of the member.
c) Option C: 0.0035 * 0.75 ec
This option considers the compressive strain in the concrete member (ec) and provides a reduced value (0.75) of this strain. It takes into account the maximum permissible compressive strain in the concrete member, considering the behavior of both the concrete and steel. The reduced value of the concrete compressive strain ensures that the steel does not reach its yield stress before the concrete reaches its maximum compressive strain. This option is a comprehensive representation of the behavior of the member under combined axial force and bending moment.
Therefore, option C is the correct answer.
When a reinforced concrete member is subjected to compressive axial force and bending moment, the concrete and steel in the member experience different stress-strain behaviors. Concrete is strong in compression but weak in tension, while steel is strong in both tension and compression.
The maximum permissible compressive strain in the concrete member is determined by the following factors:
1. Compressive strain in concrete (ec): This is the strain in the concrete at the extreme fiber of the compressive face of the member. It represents the maximum compressive strain that can be resisted by the concrete before it starts to crack or fail.
2. Yield stress of steel (fy): This is the stress at which the steel reaches its yield point and starts to deform plastically. It represents the maximum stress that can be sustained by the steel without permanent deformation.
3. Modulus of elasticity of steel (Es): This is the measure of stiffness of the steel. It represents the ratio of stress to strain in the elastic range of deformation.
Now, let's analyze the options given:
a) Option A: 0.002
This option suggests a constant value of 0.002 as the maximum permissible compressive strain in the concrete member. However, this value does not take into account the yield stress of steel or the modulus of elasticity of steel. It is not a comprehensive representation of the behavior of the member.
b) Option B: 0.002 fy(1.15 Es)
This option suggests a value based on the yield stress of steel and the modulus of elasticity of steel. However, it does not consider the compressive strain in the concrete. It is not a complete representation of the behavior of the member.
c) Option C: 0.0035 * 0.75 ec
This option considers the compressive strain in the concrete member (ec) and provides a reduced value (0.75) of this strain. It takes into account the maximum permissible compressive strain in the concrete member, considering the behavior of both the concrete and steel. The reduced value of the concrete compressive strain ensures that the steel does not reach its yield stress before the concrete reaches its maximum compressive strain. This option is a comprehensive representation of the behavior of the member under combined axial force and bending moment.
Therefore, option C is the correct answer.
Attention Civil Engineering (CE) Students!
To make sure you are not studying endlessly, EduRev has designed Civil Engineering (CE) study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in Civil Engineering (CE).
|
Explore Courses for Civil Engineering (CE) exam
|
|
Similar Civil Engineering (CE) Doubts
Top Courses for Civil Engineering (CE)View all
A reinforced concrete member is subjected to combined action of combined action of compressive axial force and bending moment. If ec is the best least compressive strain in the member, fy, the yield stress of steel and, Es, the modulus of elasticity of steel, the maximum permissible compressive strain in concrete member will bea)0.002b)0.002 fy(1.15 Es)c)0.0035 – 0.75 ecd)0.0035Correct answer is option 'C'. Can you explain this answer?
Question Description
A reinforced concrete member is subjected to combined action of combined action of compressive axial force and bending moment. If ec is the best least compressive strain in the member, fy, the yield stress of steel and, Es, the modulus of elasticity of steel, the maximum permissible compressive strain in concrete member will bea)0.002b)0.002 fy(1.15 Es)c)0.0035 – 0.75 ecd)0.0035Correct answer is option 'C'. Can you explain this answer? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about A reinforced concrete member is subjected to combined action of combined action of compressive axial force and bending moment. If ec is the best least compressive strain in the member, fy, the yield stress of steel and, Es, the modulus of elasticity of steel, the maximum permissible compressive strain in concrete member will bea)0.002b)0.002 fy(1.15 Es)c)0.0035 – 0.75 ecd)0.0035Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A reinforced concrete member is subjected to combined action of combined action of compressive axial force and bending moment. If ec is the best least compressive strain in the member, fy, the yield stress of steel and, Es, the modulus of elasticity of steel, the maximum permissible compressive strain in concrete member will bea)0.002b)0.002 fy(1.15 Es)c)0.0035 – 0.75 ecd)0.0035Correct answer is option 'C'. Can you explain this answer?.
A reinforced concrete member is subjected to combined action of combined action of compressive axial force and bending moment. If ec is the best least compressive strain in the member, fy, the yield stress of steel and, Es, the modulus of elasticity of steel, the maximum permissible compressive strain in concrete member will bea)0.002b)0.002 fy(1.15 Es)c)0.0035 – 0.75 ecd)0.0035Correct answer is option 'C'. Can you explain this answer? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about A reinforced concrete member is subjected to combined action of combined action of compressive axial force and bending moment. If ec is the best least compressive strain in the member, fy, the yield stress of steel and, Es, the modulus of elasticity of steel, the maximum permissible compressive strain in concrete member will bea)0.002b)0.002 fy(1.15 Es)c)0.0035 – 0.75 ecd)0.0035Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A reinforced concrete member is subjected to combined action of combined action of compressive axial force and bending moment. If ec is the best least compressive strain in the member, fy, the yield stress of steel and, Es, the modulus of elasticity of steel, the maximum permissible compressive strain in concrete member will bea)0.002b)0.002 fy(1.15 Es)c)0.0035 – 0.75 ecd)0.0035Correct answer is option 'C'. Can you explain this answer?.
Solutions for A reinforced concrete member is subjected to combined action of combined action of compressive axial force and bending moment. If ec is the best least compressive strain in the member, fy, the yield stress of steel and, Es, the modulus of elasticity of steel, the maximum permissible compressive strain in concrete member will bea)0.002b)0.002 fy(1.15 Es)c)0.0035 – 0.75 ecd)0.0035Correct answer is option 'C'. Can you explain this answer? in English & in Hindi are available as part of our courses for Civil Engineering (CE).
Download more important topics, notes, lectures and mock test series for Civil Engineering (CE) Exam by signing up for free.
Here you can find the meaning of A reinforced concrete member is subjected to combined action of combined action of compressive axial force and bending moment. If ec is the best least compressive strain in the member, fy, the yield stress of steel and, Es, the modulus of elasticity of steel, the maximum permissible compressive strain in concrete member will bea)0.002b)0.002 fy(1.15 Es)c)0.0035 – 0.75 ecd)0.0035Correct answer is option 'C'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of
A reinforced concrete member is subjected to combined action of combined action of compressive axial force and bending moment. If ec is the best least compressive strain in the member, fy, the yield stress of steel and, Es, the modulus of elasticity of steel, the maximum permissible compressive strain in concrete member will bea)0.002b)0.002 fy(1.15 Es)c)0.0035 – 0.75 ecd)0.0035Correct answer is option 'C'. Can you explain this answer?, a detailed solution for A reinforced concrete member is subjected to combined action of combined action of compressive axial force and bending moment. If ec is the best least compressive strain in the member, fy, the yield stress of steel and, Es, the modulus of elasticity of steel, the maximum permissible compressive strain in concrete member will bea)0.002b)0.002 fy(1.15 Es)c)0.0035 – 0.75 ecd)0.0035Correct answer is option 'C'. Can you explain this answer? has been provided alongside types of A reinforced concrete member is subjected to combined action of combined action of compressive axial force and bending moment. If ec is the best least compressive strain in the member, fy, the yield stress of steel and, Es, the modulus of elasticity of steel, the maximum permissible compressive strain in concrete member will bea)0.002b)0.002 fy(1.15 Es)c)0.0035 – 0.75 ecd)0.0035Correct answer is option 'C'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice A reinforced concrete member is subjected to combined action of combined action of compressive axial force and bending moment. If ec is the best least compressive strain in the member, fy, the yield stress of steel and, Es, the modulus of elasticity of steel, the maximum permissible compressive strain in concrete member will bea)0.002b)0.002 fy(1.15 Es)c)0.0035 – 0.75 ecd)0.0035Correct answer is option 'C'. Can you explain this answer? tests, examples and also practice Civil Engineering (CE) tests.
|
|
Explore Courses for Civil Engineering (CE) exam
|
|
Suggested Free Tests
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
|
© EduRev
|
Education Revolution
|
Follow Us
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup