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Q: Which of the following joint types primarily relieves tensile stress in a concrete pavement?
  • A. Contraction
  • B. Construction
  • C. Expansion
  • D. Longitudinal
Correct Answer: Option A - Contraction joint : It is joint which primarily relieves tensile stress in a concrete pavement. max spacing 14 m and min spacing 4.5m. Construction joint : These are provided at the end of day's work. These are provided as minimum as possible. Expansion joint : Provided to allow free expansion due to variation in temperature. Longitudinal joint : It is provided to reduce the warping stress.
A. Contraction joint : It is joint which primarily relieves tensile stress in a concrete pavement. max spacing 14 m and min spacing 4.5m. Construction joint : These are provided at the end of day's work. These are provided as minimum as possible. Expansion joint : Provided to allow free expansion due to variation in temperature. Longitudinal joint : It is provided to reduce the warping stress.

Explanations:

Contraction joint : It is joint which primarily relieves tensile stress in a concrete pavement. max spacing 14 m and min spacing 4.5m. Construction joint : These are provided at the end of day's work. These are provided as minimum as possible. Expansion joint : Provided to allow free expansion due to variation in temperature. Longitudinal joint : It is provided to reduce the warping stress.