What is the significance of the California Bearing Ratio (CBR) test in pavement

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Question: What is the significance of the California Bearing Ratio (CBR) test in pavement design?

Options:

Correct Answer: It evaluates the load-bearing capacity of subgrade soils

Solution:

The CBR test evaluates the load-bearing capacity of subgrade soils, which is critical for determining pavement thickness.

What is the significance of the California Bearing Ratio (CBR) test in pavement design?

What is the significance of the California Bearing Ratio (CBR) test in pavement design?

Step 1: Understand that the California Bearing Ratio (CBR) test measures how strong the soil is beneath the pavement.
Step 2: Realize that the strength of the soil affects how much weight the pavement can support.
Step 3: Know that if the soil is strong, the pavement can be thinner; if the soil is weak, the pavement needs to be thicker.
Step 4: Recognize that the CBR test helps engineers decide the right thickness of the pavement based on the soil's strength.

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