Which type of pavement is most commonly used for high-traffic highways?

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Question: Which type of pavement is most commonly used for high-traffic highways?

Options:

Correct Answer: Portland cement concrete

Solution:

Asphalt concrete is preferred for high-traffic highways due to its flexibility, durability, and ease of maintenance.

Which type of pavement is most commonly used for high-traffic highways?

Which type of pavement is most commonly used for high-traffic highways?

Step 1: Understand what high-traffic highways are. These are roads that have a lot of vehicles using them every day.
Step 2: Learn about different types of pavement materials. Common types include asphalt concrete and concrete.
Step 3: Identify the characteristics needed for high-traffic highways. They need to be strong, flexible, and easy to repair.
Step 4: Discover that asphalt concrete is a type of pavement made from a mixture of asphalt and aggregates (like sand and gravel).
Step 5: Recognize that asphalt concrete is flexible, which helps it handle heavy loads and changes in temperature without cracking.
Step 6: Note that asphalt concrete is durable, meaning it can last a long time even with a lot of traffic.
Step 7: Understand that asphalt concrete is easier to maintain and repair compared to other types of pavement.
Step 8: Conclude that because of these benefits, asphalt concrete is the most commonly used pavement for high-traffic highways.

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