题目内容

What’s the functionof pavement?

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What are the types of pavement?

A. Flexible pavement
B. Rigid pavement
Composite pavement
D. Semi-rigidpavement

What aretypical layers of a flexible pavement?

A. Tack coat
B. Prime coat
Composed coat
D. Seal coat

What are the types of rigid pavement?

A. JPCP
B. JRCP
CRCP
D. PCP

Surface course is the layer directly in contact with traffic loads and generally contains superior quality materials.

A. 对
B. 错