Which admixture is commonly used to accelerate the setting time of concrete?
Correct Answer: Calcium chloride
- Step 1: Understand what an admixture is. An admixture is a substance added to concrete to change its properties.
- Step 2: Learn about accelerating admixtures. These are specific types of admixtures that help concrete set faster.
- Step 3: Know when to use accelerating admixtures. They are especially useful in cold weather when concrete tends to set slowly.
- Step 4: Remember that the main purpose of these admixtures is to reduce the time it takes for concrete to harden.
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