1.2 Explain the main purpose/s of pavement layers.
(6)
1.3 List and briefly discuss the two types of pavement
failure. (6)
1.4 Provide a short description of an emerging material
and explain the advantages of its use in pavement
structure.
1.2 Explain the main purpose/s of pavement layers. (6) 1.3 List and briefly discuss the two types of pavement failure. (
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