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2 cards from this section. Quick, good the night before a test.
What does the Resilient Modulus measure?
Think about what happens when you press a sponge repeatedly.
Why is MR important in pavement design?
Consider how pavement needs to withstand traffic.
What is the main purpose of the Resilient Modulus test?
Think about what elasticity means in materials.
True or False: Higher MR values typically indicate the need for thicker pavement structures.
What happens if the soil is stronger?
A laboratory conducted an MR test on a soil sample, yielding an MR value of 120 MPa. If another sample has an MR of 200 MPa, how might the pavement design differ between these two samples? What factors may contribute to this difference?
Consider the characteristics of the two soil samples.
If engineering standards require a minimum MR of 150 MPa for certain pavement, how would you approach the design if the tested soil shows only 100 MPa? What improvements would you consider?
Think about methods discussed in the chapter for improving soil strength.
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