The field condition is: the project condition shows that fresh concrete must flow around congested reinforcement. Which consolidation method best matches the condition?
Correct Answer
A) Use internal vibration in controlled lifts
internal vibration in controlled lifts 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
internal vibration in controlled lifts 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 external form vibration for inaccessible forms
Use external form vibration for inaccessible forms addresses a neighboring field issue, but not the condition or method control required for concrete consolidation.
Option C: Use vibrating screed for slab strikeoff
Use vibrating screed for slab strikeoff addresses a neighboring field issue, but not the condition or method control required for concrete consolidation.
Option D: Use hand rodding for small accessible placements
Use hand rodding for small accessible placements addresses a neighboring field issue, but not the condition or method control required for concrete consolidation.
Memory Technique
Concrete Consolidation method for Foreman Selecting: condition first, tool second.
Reference Hint
Open-book path: tab Principles and Practices of Commercial Construction, 10th Edition to Concrete placement methods; consolidation around reinforcement; verify the construction method, material selection, equipment choice, or work sequence that fits the field condition.
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