Computer · Transportation Engineering
What is a major drawback of the empirical California Bearing Ratio (CBR) method of flexible pavement design?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It is a highly complex mathematical method that yields variable total thicknesses for identical load conditions.
- 2It determines a total thickness that depends only on subgrade strength, regardless of the superior quality of materials used in top component layers.✓
- 3It cannot give the individual thickness required for the sub-base layer.
- 4It completely ignores the strength characteristics of the subgrade soil.
Correct answer
It determines a total thickness that depends only on subgrade strength, regardless of the superior quality of materials used in top component layers.
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