Which laboratory property of a road aggregate indicates its resistance to sudden impact or shock?
Correct answer: D. Aggregate impact value
- A. Aggregate crushing value
- B. Flakiness index
- C. Los Angeles abrasion value
- D. Aggregate impact value
Explanation
The aggregate impact value measures resistance to sudden impact or shock loading. The crushing value relates to resistance under gradually applied compression, while abrasion value measures wear resistance. Flakiness index describes particle shape.
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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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