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Drying shrinkage strain develops slowly, as it _____.
- a)Develops during initial period of concreting
- b)Depends on time
- c)Develops due to prestressing of concrete
- d)Is a function of migration of water through the hardened concrete
Correct answer is option 'D'. Can you explain this answer?
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Drying shrinkage strain develops slowly, as it _____.a)Develops during...
Drying shrinkage strain in concrete is a phenomenon that occurs as water evaporates from the concrete mixture, causing the volume of the concrete to decrease. This shrinkage strain develops slowly over time and is influenced by various factors.
1. Development over time:
- Drying shrinkage strain does not occur during the initial period of concreting. It takes place after the concrete has hardened and the water begins to evaporate.
- As the concrete dries, the moisture content decreases, leading to a gradual reduction in volume. This reduction in volume is known as drying shrinkage strain.
2. Migration of water:
- The primary cause of drying shrinkage strain is the migration of water through the hardened concrete.
- Water within the concrete moves towards the surface and evaporates into the surrounding environment.
- This migration of water causes the concrete to lose moisture and shrink in volume, resulting in drying shrinkage strain.
3. Factors affecting drying shrinkage strain:
- The amount of drying shrinkage strain depends on various factors such as the composition of the concrete mix, the water-cement ratio, and the environmental conditions.
- Higher water content in the mix generally leads to greater drying shrinkage strain.
- The type and amount of cementitious materials used in the mix also influence the shrinkage behavior.
- Environmental conditions, such as temperature and humidity, can accelerate or slow down the drying process, affecting the rate and magnitude of drying shrinkage strain.
In summary, drying shrinkage strain in concrete develops slowly over time as water migrates through the hardened concrete and evaporates into the surrounding environment. It is a function of the migration of water and is influenced by factors such as the composition of the concrete mix, water-cement ratio, and environmental conditions.
1. Development over time:
- Drying shrinkage strain does not occur during the initial period of concreting. It takes place after the concrete has hardened and the water begins to evaporate.
- As the concrete dries, the moisture content decreases, leading to a gradual reduction in volume. This reduction in volume is known as drying shrinkage strain.
2. Migration of water:
- The primary cause of drying shrinkage strain is the migration of water through the hardened concrete.
- Water within the concrete moves towards the surface and evaporates into the surrounding environment.
- This migration of water causes the concrete to lose moisture and shrink in volume, resulting in drying shrinkage strain.
3. Factors affecting drying shrinkage strain:
- The amount of drying shrinkage strain depends on various factors such as the composition of the concrete mix, the water-cement ratio, and the environmental conditions.
- Higher water content in the mix generally leads to greater drying shrinkage strain.
- The type and amount of cementitious materials used in the mix also influence the shrinkage behavior.
- Environmental conditions, such as temperature and humidity, can accelerate or slow down the drying process, affecting the rate and magnitude of drying shrinkage strain.
In summary, drying shrinkage strain in concrete develops slowly over time as water migrates through the hardened concrete and evaporates into the surrounding environment. It is a function of the migration of water and is influenced by factors such as the composition of the concrete mix, water-cement ratio, and environmental conditions.
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Drying shrinkage strain develops slowly, as it _____.a)Develops during...
As per IS 1343 Clauses 6.2.4:
Shrinkage
Shrinkage
- The total shrinkage of concrete depends upon the constituents of concrete, size of the member and environmental conditions.
- For a given humidity and temperature, the total shrinkage of concrete is most influenced by the total amount of water present in the concrete at the time of mixing.
- The total shrinkage strain is composed of two components, (i) the autogenous shrinkage strain and (ii) the drying shrinkage strain
Autogenous shrinkage strain:
- Develops during hardening of concrete
- The major part develops in the early days after casting.
- It is a linear function of concrete strength
Drying shrinkage strain:
- The drying shrinkage strain develops slowly as it a function of migration of the water through the hardened concrete.
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Drying shrinkage strain develops slowly, as it _____.a)Develops during initial period of concretingb)Depends on timec)Develops due to prestressing of concreted)Is a function of migration of water through the hardened concreteCorrect answer is option 'D'. Can you explain this answer?
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Drying shrinkage strain develops slowly, as it _____.a)Develops during initial period of concretingb)Depends on timec)Develops due to prestressing of concreted)Is a function of migration of water through the hardened concreteCorrect answer is option 'D'. 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 Drying shrinkage strain develops slowly, as it _____.a)Develops during initial period of concretingb)Depends on timec)Develops due to prestressing of concreted)Is a function of migration of water through the hardened concreteCorrect answer is option 'D'. 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 Drying shrinkage strain develops slowly, as it _____.a)Develops during initial period of concretingb)Depends on timec)Develops due to prestressing of concreted)Is a function of migration of water through the hardened concreteCorrect answer is option 'D'. Can you explain this answer?.
Drying shrinkage strain develops slowly, as it _____.a)Develops during initial period of concretingb)Depends on timec)Develops due to prestressing of concreted)Is a function of migration of water through the hardened concreteCorrect answer is option 'D'. 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 Drying shrinkage strain develops slowly, as it _____.a)Develops during initial period of concretingb)Depends on timec)Develops due to prestressing of concreted)Is a function of migration of water through the hardened concreteCorrect answer is option 'D'. 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 Drying shrinkage strain develops slowly, as it _____.a)Develops during initial period of concretingb)Depends on timec)Develops due to prestressing of concreted)Is a function of migration of water through the hardened concreteCorrect answer is option 'D'. Can you explain this answer?.
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Drying shrinkage strain develops slowly, as it _____.a)Develops during initial period of concretingb)Depends on timec)Develops due to prestressing of concreted)Is a function of migration of water through the hardened concreteCorrect answer is option 'D'. Can you explain this answer?, a detailed solution for Drying shrinkage strain develops slowly, as it _____.a)Develops during initial period of concretingb)Depends on timec)Develops due to prestressing of concreted)Is a function of migration of water through the hardened concreteCorrect answer is option 'D'. Can you explain this answer? has been provided alongside types of Drying shrinkage strain develops slowly, as it _____.a)Develops during initial period of concretingb)Depends on timec)Develops due to prestressing of concreted)Is a function of migration of water through the hardened concreteCorrect answer is option 'D'. Can you explain this answer? theory, EduRev gives you an
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