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A relatively high water absorption of a common burnt clay brick indicates
- a)high bond strength with mortar
- b)high shrinkage of brick
- c)low strength of brick
- d)need for more mortar for bedding
Correct answer is option 'B'. Can you explain this answer?
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A relatively high water absorption of a common burnt clay brick indica...
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A relatively high water absorption of a common burnt clay brick indica...
Explanation:
Water absorption is the amount of water absorbed by the brick when it is immersed in water for a specified period of time. The water absorption value of common burnt clay brick is usually high, which indicates that the brick has high porosity and can easily absorb water. This can lead to several implications, including:
High shrinkage of brick:
When water is absorbed, it fills the pores of the brick. This water will evaporate when the brick is exposed to sun and wind, leading to shrinkage of the brick. This can cause cracks in the mortar and weaken the overall structure.
Low strength of brick:
The porosity of the brick can also affect its strength. The more porous the brick, the lower its compressive strength. This is because the pores weaken the brick by acting as stress concentrators.
Need for more mortar for bedding:
When laying bricks, mortar is used to bond them together. If the brick has high water absorption, it will absorb some of the water from the mortar, making it less effective. This means that more mortar will be needed to achieve a good bond.
High bond strength with mortar:
While high water absorption can reduce the strength of the brick, it can also help to improve the bond strength with the mortar. This is because the water in the mortar will be absorbed by the brick, creating a better bond.
Conclusion:
In conclusion, the high water absorption of common burnt clay brick indicates high shrinkage of brick, low strength of brick, and the need for more mortar for bedding. However, it can also improve the bond strength with the mortar.
Water absorption is the amount of water absorbed by the brick when it is immersed in water for a specified period of time. The water absorption value of common burnt clay brick is usually high, which indicates that the brick has high porosity and can easily absorb water. This can lead to several implications, including:
High shrinkage of brick:
When water is absorbed, it fills the pores of the brick. This water will evaporate when the brick is exposed to sun and wind, leading to shrinkage of the brick. This can cause cracks in the mortar and weaken the overall structure.
Low strength of brick:
The porosity of the brick can also affect its strength. The more porous the brick, the lower its compressive strength. This is because the pores weaken the brick by acting as stress concentrators.
Need for more mortar for bedding:
When laying bricks, mortar is used to bond them together. If the brick has high water absorption, it will absorb some of the water from the mortar, making it less effective. This means that more mortar will be needed to achieve a good bond.
High bond strength with mortar:
While high water absorption can reduce the strength of the brick, it can also help to improve the bond strength with the mortar. This is because the water in the mortar will be absorbed by the brick, creating a better bond.
Conclusion:
In conclusion, the high water absorption of common burnt clay brick indicates high shrinkage of brick, low strength of brick, and the need for more mortar for bedding. However, it can also improve the bond strength with the mortar.
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A relatively high water absorption of a common burnt clay brick indicatesa)high bond strength with mortarb)high shrinkage of brickc)low strength of brickd)need for more mortar for beddingCorrect answer is option 'B'. Can you explain this answer?
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A relatively high water absorption of a common burnt clay brick indicatesa)high bond strength with mortarb)high shrinkage of brickc)low strength of brickd)need for more mortar for beddingCorrect answer is option 'B'. 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 relatively high water absorption of a common burnt clay brick indicatesa)high bond strength with mortarb)high shrinkage of brickc)low strength of brickd)need for more mortar for beddingCorrect answer is option 'B'. 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 relatively high water absorption of a common burnt clay brick indicatesa)high bond strength with mortarb)high shrinkage of brickc)low strength of brickd)need for more mortar for beddingCorrect answer is option 'B'. Can you explain this answer?.
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