In prefabricated buildings, which joint type is best for absorbing movement due to thermal expansion?

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RRB JE CE 22 Apr 2025 Shift 1 CBT 2 Official Paper
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  1. Expansion joint
  2. Riverted joint
  3. Welded joint
  4. Threaded joint

Answer (Detailed Solution Below)

Option 1 : Expansion joint
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Detailed Solution

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Explanation:

  • Expansion joints are specifically designed to absorb movement caused by thermal expansion and contraction in buildings and structures.

  • In prefabricated buildings, materials like concrete and steel expand and contract with temperature changes.

  • Expansion joints provide the necessary flexibility to accommodate these movements and prevent cracking or structural damage.

Additional InformationRiveted joint:

  • It is a rigid connection and does not accommodate expansion or contraction.

Welded joint:

  • It is a strong, permanent connection with no allowance for movement.

Threaded joint:

  • This is used for mechanical connections that are fixed, not flexible.
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