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Which one of the following statements is correct?
- a)Shear cracks start due to high diagonal tension in case of beam with their webs and high prestressing force.
- b)Shear design for a prestressed concrete beam is based on elastic theory.
- c)In the zone where, bending moment is dominant and shear is insignificant, cracks occur at 20o to 30o.
- d)After diagonal cracking, the mechanics of shear transfer in a prestressed concrete member is very much different from that in reinforced concrete members.
Correct answer is option 'B'. Can you explain this answer?
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Which one of the following statements is correct?a)Shear cracks start...
Modes of shear failure in Prestressed concrete beam are web shear cracking, Flexure-shear cracking. Shear design for a prestressed concrete beam is based on elastic theory.
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Which one of the following statements is correct?a)Shear cracks start...
Shear design for a prestressed concrete beam is based on elastic theory.
Explanation:
Shear design for prestressed concrete beams is based on elastic theory. The purpose of shear reinforcement in prestressed concrete beams is to provide additional resistance to shear beyond that provided by the concrete alone. The amount of shear reinforcement required is determined by applying the equations of elastic theory to the section under consideration.
Some additional information related to the given options:
- Option A: Shear cracks in prestressed concrete beams initiate due to high shear stress and not due to high diagonal tension. The diagonal tension is caused by shear stress, and it leads to shear cracks.
- Option C: Cracks occur at an angle of approximately 45 degrees in the zone where bending moment is dominant and shear is insignificant. In the zone where both bending moment and shear are significant, cracks occur at an angle of approximately 20 to 30 degrees.
- Option D: After diagonal cracking, the mechanics of shear transfer in a prestressed concrete member are similar to those in reinforced concrete members. However, due to the presence of prestressing force, the magnitude of shear force required to cause diagonal cracking is higher in prestressed concrete members compared to reinforced concrete members.
Explanation:
Shear design for prestressed concrete beams is based on elastic theory. The purpose of shear reinforcement in prestressed concrete beams is to provide additional resistance to shear beyond that provided by the concrete alone. The amount of shear reinforcement required is determined by applying the equations of elastic theory to the section under consideration.
Some additional information related to the given options:
- Option A: Shear cracks in prestressed concrete beams initiate due to high shear stress and not due to high diagonal tension. The diagonal tension is caused by shear stress, and it leads to shear cracks.
- Option C: Cracks occur at an angle of approximately 45 degrees in the zone where bending moment is dominant and shear is insignificant. In the zone where both bending moment and shear are significant, cracks occur at an angle of approximately 20 to 30 degrees.
- Option D: After diagonal cracking, the mechanics of shear transfer in a prestressed concrete member are similar to those in reinforced concrete members. However, due to the presence of prestressing force, the magnitude of shear force required to cause diagonal cracking is higher in prestressed concrete members compared to reinforced concrete members.
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Which one of the following statements is correct?a)Shear cracks start due to high diagonal tension in case of beam with their webs and high prestressing force.b)Shear design for a prestressed concrete beam is based on elastic theory.c)In the zone where, bending moment is dominant and shear is insignificant, cracks occur at 20o to 30o.d)After diagonal cracking, the mechanics of shear transfer in a prestressed concrete member is very much different from that in reinforced concrete members.Correct answer is option 'B'. Can you explain this answer?
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Which one of the following statements is correct?a)Shear cracks start due to high diagonal tension in case of beam with their webs and high prestressing force.b)Shear design for a prestressed concrete beam is based on elastic theory.c)In the zone where, bending moment is dominant and shear is insignificant, cracks occur at 20o to 30o.d)After diagonal cracking, the mechanics of shear transfer in a prestressed concrete member is very much different from that in reinforced concrete members.Correct answer is option 'B'. Can you explain this answer? for SSC 2024 is part of SSC preparation. The Question and answers have been prepared according to the SSC exam syllabus. Information about Which one of the following statements is correct?a)Shear cracks start due to high diagonal tension in case of beam with their webs and high prestressing force.b)Shear design for a prestressed concrete beam is based on elastic theory.c)In the zone where, bending moment is dominant and shear is insignificant, cracks occur at 20o to 30o.d)After diagonal cracking, the mechanics of shear transfer in a prestressed concrete member is very much different from that in reinforced concrete members.Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for SSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which one of the following statements is correct?a)Shear cracks start due to high diagonal tension in case of beam with their webs and high prestressing force.b)Shear design for a prestressed concrete beam is based on elastic theory.c)In the zone where, bending moment is dominant and shear is insignificant, cracks occur at 20o to 30o.d)After diagonal cracking, the mechanics of shear transfer in a prestressed concrete member is very much different from that in reinforced concrete members.Correct answer is option 'B'. Can you explain this answer?.
Which one of the following statements is correct?a)Shear cracks start due to high diagonal tension in case of beam with their webs and high prestressing force.b)Shear design for a prestressed concrete beam is based on elastic theory.c)In the zone where, bending moment is dominant and shear is insignificant, cracks occur at 20o to 30o.d)After diagonal cracking, the mechanics of shear transfer in a prestressed concrete member is very much different from that in reinforced concrete members.Correct answer is option 'B'. Can you explain this answer? for SSC 2024 is part of SSC preparation. The Question and answers have been prepared according to the SSC exam syllabus. Information about Which one of the following statements is correct?a)Shear cracks start due to high diagonal tension in case of beam with their webs and high prestressing force.b)Shear design for a prestressed concrete beam is based on elastic theory.c)In the zone where, bending moment is dominant and shear is insignificant, cracks occur at 20o to 30o.d)After diagonal cracking, the mechanics of shear transfer in a prestressed concrete member is very much different from that in reinforced concrete members.Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for SSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which one of the following statements is correct?a)Shear cracks start due to high diagonal tension in case of beam with their webs and high prestressing force.b)Shear design for a prestressed concrete beam is based on elastic theory.c)In the zone where, bending moment is dominant and shear is insignificant, cracks occur at 20o to 30o.d)After diagonal cracking, the mechanics of shear transfer in a prestressed concrete member is very much different from that in reinforced concrete members.Correct answer is option 'B'. Can you explain this answer?.
Solutions for Which one of the following statements is correct?a)Shear cracks start due to high diagonal tension in case of beam with their webs and high prestressing force.b)Shear design for a prestressed concrete beam is based on elastic theory.c)In the zone where, bending moment is dominant and shear is insignificant, cracks occur at 20o to 30o.d)After diagonal cracking, the mechanics of shear transfer in a prestressed concrete member is very much different from that in reinforced concrete members.Correct answer is option 'B'. Can you explain this answer? in English & in Hindi are available as part of our courses for SSC.
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Which one of the following statements is correct?a)Shear cracks start due to high diagonal tension in case of beam with their webs and high prestressing force.b)Shear design for a prestressed concrete beam is based on elastic theory.c)In the zone where, bending moment is dominant and shear is insignificant, cracks occur at 20o to 30o.d)After diagonal cracking, the mechanics of shear transfer in a prestressed concrete member is very much different from that in reinforced concrete members.Correct answer is option 'B'. Can you explain this answer?, a detailed solution for Which one of the following statements is correct?a)Shear cracks start due to high diagonal tension in case of beam with their webs and high prestressing force.b)Shear design for a prestressed concrete beam is based on elastic theory.c)In the zone where, bending moment is dominant and shear is insignificant, cracks occur at 20o to 30o.d)After diagonal cracking, the mechanics of shear transfer in a prestressed concrete member is very much different from that in reinforced concrete members.Correct answer is option 'B'. Can you explain this answer? has been provided alongside types of Which one of the following statements is correct?a)Shear cracks start due to high diagonal tension in case of beam with their webs and high prestressing force.b)Shear design for a prestressed concrete beam is based on elastic theory.c)In the zone where, bending moment is dominant and shear is insignificant, cracks occur at 20o to 30o.d)After diagonal cracking, the mechanics of shear transfer in a prestressed concrete member is very much different from that in reinforced concrete members.Correct answer is option 'B'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice Which one of the following statements is correct?a)Shear cracks start due to high diagonal tension in case of beam with their webs and high prestressing force.b)Shear design for a prestressed concrete beam is based on elastic theory.c)In the zone where, bending moment is dominant and shear is insignificant, cracks occur at 20o to 30o.d)After diagonal cracking, the mechanics of shear transfer in a prestressed concrete member is very much different from that in reinforced concrete members.Correct answer is option 'B'. Can you explain this answer? tests, examples and also practice SSC tests.
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