What is the purpose of using a retarding admixture in concrete?

Practice Questions

Q1
What is the purpose of using a retarding admixture in concrete?
  1. To speed up the setting time
  2. To delay the setting time
  3. To increase the strength
  4. To improve workability

Questions & Step-by-Step Solutions

What is the purpose of using a retarding admixture in concrete?
  • Step 1: Understand what a retarding admixture is. It is a chemical added to concrete.
  • Step 2: Know that the main purpose of this chemical is to slow down the setting time of concrete.
  • Step 3: Recognize that slowing down the setting time is helpful in hot weather.
  • Step 4: Realize that in hot weather, concrete can set too quickly, making it hard to work with.
  • Step 5: Conclude that retarding admixtures help workers have more time to mix and place the concrete properly.
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