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To control seasonal thermal and shrinkage cracking in lengthy exposed slabs, which planning approach spaces engineered movement joints responsibly?

Choices

  • (A) Use monolithic pours regardless of climate swings
  • (B) Provide engineer-stamped joint layouts tying thermal and shrinkage movement to support restraints
  • (C) Ignore axial expansion because finishes hide cracks
  • (D) Rely on decorative trims without structural jointing

Correct answer: (B)

Provide engineer-stamped joint layouts tying thermal and shrinkage movement to support restraints

Explanation

Joint spacing links thermal/shrinkage strain to boundary restraint conditions.

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