Bleeding in a bituminous pavement is the:
Correct answer: B. Upward movement of excess binder to the surface
- A. Loss of aggregate particles from the surface
- B. Upward movement of excess binder to the surface
- C. Formation of transverse cracks from shrinkage
- D. Depression caused by weak underlying soil
Explanation
Bleeding produces a shiny, smooth surface because excess bitumen rises to the pavement surface. Loss of aggregate is called ravelling, while depressions from structural weakness are commonly termed rutting or settlements.
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About Transportation Engineering
Transportation engineering covers highway planning and alignment, traffic studies, road geometric design, pavement materials and flexible or rigid pavement construction. It also includes railway, airport and traffic engineering concepts such as sight distance, superelevation, signals, capacity and level of service, distinguishing pavement failure from poor geometric design.
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