What is the main purpose of using admixtures in concrete?

Practice Questions

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To change the color of concrete
To improve workability and durability
To reduce the weight of concrete
To increase the cost of concrete

Questions & Step-by-step Solutions

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Q: What is the main purpose of using admixtures in concrete?

Solution: Admixtures are used to improve the workability, durability, and other properties of concrete without significantly altering its composition.

Steps: 6

Step 1: Understand that concrete is made of cement, water, sand, and gravel.
Step 2: Know that sometimes we want to change how concrete behaves without changing its main ingredients.
Step 3: Learn that admixtures are special materials added to concrete to help with this.
Step 4: Realize that admixtures can make concrete easier to work with (workability).
Step 5: Understand that admixtures can also make concrete last longer and resist damage (durability).
Step 6: Remember that using admixtures helps improve the overall quality of concrete.

What is the main purpose of using admixtures in concrete?

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Questions & Step-by-step Solutions

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