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2 cards from this section. Quick, good the night before a test.
What is Westergaard's stress equation used for?
Think about its role in pavement design.
What does the variable 'P' represent in the stress equations?
Consider what loads impact the pavement.
What does σ_i denote in Westergaard’s equations?
Think about where interior stresses are most relevant.
True or False: The edge stress equation includes a constant term.
Reflect on the structure of the equations.
Calculate the maximum interior stress for a slab of 20 cm thickness with a 3000 kg wheel load.
Focus on substituting values carefully in the equation.
Discuss how varying the slab thickness impacts all types of stresses in the pavement.
Think about physical behavior under loads.
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