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

Practice Questions

Q1
What is the role of water-cement ratio in concrete mix design?
  1. It determines the color of the concrete
  2. It affects the strength and durability of concrete
  3. It influences the cost of concrete
  4. It has no significant impact

Questions & Step-by-Step Solutions

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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