题目内容

What aretypical layers of a flexible pavement?

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

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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

Base course cannot be composed of crushed stone, crushed slag, and other untreated or stabilized materials.

A. 对
B. 错

Rigid pavements have sufficient flexural strength to transmit the wheel load stresses to a wider area below.

A. 对
B. 错

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