Computer · Pavement Design
What is the primary function of an expansion joint in concrete pavements?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To increase the load-bearing capacity of the pavement slab
- 2To transfer wheel loads directly to the shoulders
- 3To allow expansion and contraction of concrete due to temperature changes✓
- 4To prevent subgrade moisture movement
Correct answer
To allow expansion and contraction of concrete due to temperature changes
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