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Which of the following is correct regarding guniting?
- a)It is a process of repairing of concrete
- b)the usual proportion of cement and sand in guinte is 1 : 3
- c)high compressive strength of about 56 to 70 N/mm2 is achieved.
- d)all of the above.
Correct answer is option 'D'. Can you explain this answer?
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Verified Answer
Which of the following is correct regarding guniting?a)It is a proces...
Guniting is the most effective repair process of concrete work which may be damaged due to inferior work or any other reason.
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Gunite is a mixture of cement and sand, the usual proportion being 1:3. A cement gun is used to deposit this mixture on the concrete surface under a pressure of 20 to 30 N/cm2.
High compressive strength is obtained. A strength of about 56 to 70 N/mm2 at 28 days is generally obtained.
Repair work is carried out in short times and highly impermeable concrete is obtained.
Most Upvoted Answer
Which of the following is correct regarding guniting?a)It is a proces...
Guniting is a process used for repairing concrete structures, and it involves spraying a mixture of cement and sand onto the surface to improve its strength and durability. The correct option regarding guniting is option 'D', which states that all of the given statements are correct.
Explanation:
1. Process of repairing concrete:
Guniting is commonly used for repairing damaged concrete structures. It is particularly effective for repairing cracks, spalls, and other defects in concrete surfaces. The process involves spraying a mixture of cement, sand, and water onto the surface using a high-pressure hose. This mixture bonds with the existing concrete, providing a strong and durable repair.
2. Proportion of cement and sand:
The usual proportion of cement and sand in guniting is 1:3. This means that for every part of cement, three parts of sand are used. This ratio ensures a proper mix that can be easily sprayed and adheres well to the surface. The sand provides bulk and helps in achieving the desired consistency and workability of the guniting mixture.
3. High compressive strength:
Guniting is known for its ability to achieve high compressive strength. Compressive strength is a measure of the resistance of concrete to crushing or external forces. The guniting process, when done correctly, can result in compressive strength ranging from 56 to 70 N/mm2. This strength is essential for repairing and reinforcing concrete structures to ensure their long-term stability and performance.
In conclusion, guniting is a process used for repairing concrete structures by spraying a mixture of cement and sand onto the surface. The usual proportion of cement and sand is 1:3, and it can achieve high compressive strength of about 56 to 70 N/mm2. Therefore, all of the given statements are correct.
Explanation:
1. Process of repairing concrete:
Guniting is commonly used for repairing damaged concrete structures. It is particularly effective for repairing cracks, spalls, and other defects in concrete surfaces. The process involves spraying a mixture of cement, sand, and water onto the surface using a high-pressure hose. This mixture bonds with the existing concrete, providing a strong and durable repair.
2. Proportion of cement and sand:
The usual proportion of cement and sand in guniting is 1:3. This means that for every part of cement, three parts of sand are used. This ratio ensures a proper mix that can be easily sprayed and adheres well to the surface. The sand provides bulk and helps in achieving the desired consistency and workability of the guniting mixture.
3. High compressive strength:
Guniting is known for its ability to achieve high compressive strength. Compressive strength is a measure of the resistance of concrete to crushing or external forces. The guniting process, when done correctly, can result in compressive strength ranging from 56 to 70 N/mm2. This strength is essential for repairing and reinforcing concrete structures to ensure their long-term stability and performance.
In conclusion, guniting is a process used for repairing concrete structures by spraying a mixture of cement and sand onto the surface. The usual proportion of cement and sand is 1:3, and it can achieve high compressive strength of about 56 to 70 N/mm2. Therefore, all of the given statements are correct.
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Which of the following is correct regarding guniting?a)It is a process of repairing of concreteb)the usual proportion of cement and sand in guinte is 1 : 3c)high compressive strength of about 56 to 70 N/mm2 is achieved.d)all of the above.Correct answer is option 'D'. Can you explain this answer?
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Which of the following is correct regarding guniting?a)It is a process of repairing of concreteb)the usual proportion of cement and sand in guinte is 1 : 3c)high compressive strength of about 56 to 70 N/mm2 is achieved.d)all of the above.Correct answer is option 'D'. Can you explain this answer? for Railways 2024 is part of Railways preparation. The Question and answers have been prepared according to the Railways exam syllabus. Information about Which of the following is correct regarding guniting?a)It is a process of repairing of concreteb)the usual proportion of cement and sand in guinte is 1 : 3c)high compressive strength of about 56 to 70 N/mm2 is achieved.d)all of the above.Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Railways 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following is correct regarding guniting?a)It is a process of repairing of concreteb)the usual proportion of cement and sand in guinte is 1 : 3c)high compressive strength of about 56 to 70 N/mm2 is achieved.d)all of the above.Correct answer is option 'D'. Can you explain this answer?.
Which of the following is correct regarding guniting?a)It is a process of repairing of concreteb)the usual proportion of cement and sand in guinte is 1 : 3c)high compressive strength of about 56 to 70 N/mm2 is achieved.d)all of the above.Correct answer is option 'D'. Can you explain this answer? for Railways 2024 is part of Railways preparation. The Question and answers have been prepared according to the Railways exam syllabus. Information about Which of the following is correct regarding guniting?a)It is a process of repairing of concreteb)the usual proportion of cement and sand in guinte is 1 : 3c)high compressive strength of about 56 to 70 N/mm2 is achieved.d)all of the above.Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Railways 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following is correct regarding guniting?a)It is a process of repairing of concreteb)the usual proportion of cement and sand in guinte is 1 : 3c)high compressive strength of about 56 to 70 N/mm2 is achieved.d)all of the above.Correct answer is option 'D'. Can you explain this answer?.
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Which of the following is correct regarding guniting?a)It is a process of repairing of concreteb)the usual proportion of cement and sand in guinte is 1 : 3c)high compressive strength of about 56 to 70 N/mm2 is achieved.d)all of the above.Correct answer is option 'D'. Can you explain this answer?, a detailed solution for Which of the following is correct regarding guniting?a)It is a process of repairing of concreteb)the usual proportion of cement and sand in guinte is 1 : 3c)high compressive strength of about 56 to 70 N/mm2 is achieved.d)all of the above.Correct answer is option 'D'. Can you explain this answer? has been provided alongside types of Which of the following is correct regarding guniting?a)It is a process of repairing of concreteb)the usual proportion of cement and sand in guinte is 1 : 3c)high compressive strength of about 56 to 70 N/mm2 is achieved.d)all of the above.Correct answer is option 'D'. Can you explain this answer? theory, EduRev gives you an
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