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Which type of joint is used to divide large concrete pavement areas into smaller panels to control cracking?
47. Which type of joint is used to divide large concrete pavement areas into smaller panels to control cracking?
- Construction joint
- Contraction joint
- Isolation joint
- Expansion joint
Answer
The correct answer is: C) Isolation joint
Explanation
Isolation joints are placed to separate different concrete sections and prevent cracking caused by shrinkage and differential movement.