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In type of trusses, provisions are provided for temperature expansion and contraction?
- a)Short roof
- b)Long roof
- c)Short and long roof
- d)Neither short nor long roof
Correct answer is option 'B'. Can you explain this answer?
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Verified Answer
In type of trusses, provisions are provided for temperature expansion ...
Answer: b
Explanation: expansion is not much in short roof trusses as expansion/contraction is proportional to length.
Explanation: expansion is not much in short roof trusses as expansion/contraction is proportional to length.
Most Upvoted Answer
In type of trusses, provisions are provided for temperature expansion ...
Understanding Temperature Effects in Trusses
When designing trusses, especially in civil engineering, it's crucial to consider the impact of temperature changes. This is particularly relevant in long roofs as they experience significant expansion and contraction due to temperature variations.
Why Long Roofs?
- Length and Material Behavior: Long roofs are generally composed of materials that expand and contract more noticeably over larger distances. This can lead to stress concentrations if not adequately addressed.
- Thermal Expansion: As temperatures rise, materials like steel and aluminum expand. In long structures, this expansion can create forces that may lead to structural failure if provisions are not made.
- Movement Accommodation: Long roofs often include expansion joints and other mechanisms to accommodate movement. These joints allow for the necessary shifting without compromising the integrity of the structure.
Short Roofs Comparison
- Limited Expansion: Short roofs, being smaller in size, typically experience less dramatic temperature-related movements. Thus, they may not require extensive provisions for expansion and contraction.
- Simpler Design: The design of short roofs can often be simpler with fewer components needed to manage thermal effects, as the overall length limits the degree of expansion.
Conclusion
In conclusion, provisions for temperature expansion and contraction are essential for long roofs due to their susceptibility to thermal effects over greater distances. Short roofs, while still needing some considerations, do not face the same level of risk. Therefore, the correct answer is option 'B', emphasizing the need for careful design in long-roof structures.
When designing trusses, especially in civil engineering, it's crucial to consider the impact of temperature changes. This is particularly relevant in long roofs as they experience significant expansion and contraction due to temperature variations.
Why Long Roofs?
- Length and Material Behavior: Long roofs are generally composed of materials that expand and contract more noticeably over larger distances. This can lead to stress concentrations if not adequately addressed.
- Thermal Expansion: As temperatures rise, materials like steel and aluminum expand. In long structures, this expansion can create forces that may lead to structural failure if provisions are not made.
- Movement Accommodation: Long roofs often include expansion joints and other mechanisms to accommodate movement. These joints allow for the necessary shifting without compromising the integrity of the structure.
Short Roofs Comparison
- Limited Expansion: Short roofs, being smaller in size, typically experience less dramatic temperature-related movements. Thus, they may not require extensive provisions for expansion and contraction.
- Simpler Design: The design of short roofs can often be simpler with fewer components needed to manage thermal effects, as the overall length limits the degree of expansion.
Conclusion
In conclusion, provisions for temperature expansion and contraction are essential for long roofs due to their susceptibility to thermal effects over greater distances. Short roofs, while still needing some considerations, do not face the same level of risk. Therefore, the correct answer is option 'B', emphasizing the need for careful design in long-roof structures.
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In type of trusses, provisions are provided for temperature expansion and contraction?a)Short roofb)Long roofc)Short and long roofd)Neither short nor long roofCorrect answer is option 'B'. Can you explain this answer?
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