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

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

Options:

  1. To measure asphalt viscosity
  2. To evaluate soil strength
  3. To determine concrete compressive strength
  4. To assess aggregate gradation

Correct Answer: To evaluate soil strength

Solution:

The California Bearing Ratio (CBR) test is used to evaluate the strength of subgrade soil for pavement design.

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

Practice Questions

Q1
What is the significance of the California Bearing Ratio (CBR) test?
  1. To measure asphalt viscosity
  2. To evaluate soil strength
  3. To determine concrete compressive strength
  4. To assess aggregate gradation

Questions & Step-by-Step Solutions

What is the significance of the California Bearing Ratio (CBR) test?
  • Step 1: Understand that the California Bearing Ratio (CBR) test measures how strong the soil is.
  • Step 2: Know that this test is important for designing roads and pavements.
  • Step 3: Realize that stronger soil can support heavier loads and is better for construction.
  • Step 4: Remember that the CBR value helps engineers decide what materials to use for building roads.
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