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3 cards from this section. Quick, good the night before a test.
What is the purpose of using rebar cages?
Think about the weaknesses of concrete.
Why are spacer blocks used in reinforcement placement?
Consider what happens if rebar touches the concrete.
What is the main purpose of the rebar cages in precast concrete?
What does concrete do well?
True or False: Spacer blocks are not necessary if the rebar is tightly secured.
Why is cover important?
A precast panel was delivered without adequate cover on the rebar. Analyze the risks associated with this oversight.
Consider environmental factors impacting rebar durability.
Discuss the potential benefits and challenges of using post-tensioning in precast applications.
What are the trade-offs of advanced construction techniques?
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