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3 cards from this section. Quick, good the night before a test.
What material can be used for the sub-base layer?
Think about what materials provide stability.
What is the minimum thickness required for the base layer for traffic up to 2 msa?
Consider the guidelines for lower traffic loads.
What is the minimum CBR value required for sub-base materials supporting traffic exceeding 2 msa?
Think about the specific traffic load classifications.
True or False: The thickness of the base layer for traffic up to 2 msa must be a minimum of 150 mm.
Remember the layering specifications.
Calculate the required thickness for a pavement designed for a new road expected to endure 15 msa traffic. What materials and thicknesses would you specify for each layer?
Reference the guidelines for thicknesses based on traffic volumes.
Propose a design solution for a flexible pavement in a region with heavy rainfall. Consider materials and their properties for each layer.
Think about how weather can affect the integrity of each layer.
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