During the pre-installation review, the field issue is that the project condition shows that shrinkage cracking needs controlled relief. Which joint timing method is the best match?
Correct Answer
A) Use timely sawcut after initial set
timely sawcut after initial set best matches the stated condition. The other choices are real construction options in the same family, but they fit different field conditions.
Why This Is the Correct Answer
timely sawcut after initial set best matches the stated condition. The other choices are real construction options in the same family, but they fit different field conditions.
Why the Other Options Are Wrong
Option B: Use wait until random cracks appear
Use wait until random cracks appear addresses a neighboring field issue, but not the condition or method control required for control joint timing.
Option C: Use omit joints in large panel
Use omit joints in large panel addresses a neighboring field issue, but not the condition or method control required for control joint timing.
Option D: Use cut through reinforcing steel layout
Use cut through reinforcing steel layout addresses a neighboring field issue, but not the condition or method control required for control joint timing.
Memory Technique
Controlling is the clue; condition is the method check for Foreman Selecting Tie the cue to Control Joint Timing Foreman.
Reference Hint
Open-book path: tab Principles and Practices of Commercial Construction, 10th Edition to Concrete slab methods; control joint layout and timing; verify the construction method, material selection, equipment choice, or work sequence that fits the field condition.
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