What is the role of water-cement ratio in concrete mix design?

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Question: What is the role of water-cement ratio in concrete mix design?

Options:

Correct Answer: It affects the strength and durability of concrete

Solution:

The water-cement ratio is crucial as it directly affects the strength and durability of the concrete.

What is the role of water-cement ratio in concrete mix design?

What is the role of water-cement ratio in concrete mix design?

Step 1: Understand that concrete is made of cement, water, and aggregates (like sand and gravel).
Step 2: The water-cement ratio is the amount of water compared to the amount of cement in the mix.
Step 3: A lower water-cement ratio means less water, which usually leads to stronger concrete.
Step 4: A higher water-cement ratio means more water, which can make the concrete weaker and less durable.
Step 5: Finding the right balance in the water-cement ratio is important for achieving the desired strength and durability of the concrete.

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