A state toll highway authority is planning to expand the pavement deflection monitoring program for its 500 miles of toll highways. The requirements state that a 20 percent change in pavement deflection should be detectable in at least 9 out of every 10 tests. If the state authority currently monitors 100, 1-mile-long segments, determine the expansion needed in its deflection program to comply with the new requirements.
A state toll highway authority is planning to expand the pavement deflection monitoring program for its 500 miles of toll highways. The requirements state that a 20 percent change in pavement deflection should be detectable in at least 9 out of every 10 tests. If the state authority currently monitors 100, 1-mile-long segments, determine the expansion needed in its deflection program to comply with the new requirements.
Traffic and Highway Engineering
5th Edition
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Garber, Nicholas J.
Chapter13: Evaluating Transportation Alternatives
Section: Chapter Questions
Problem 17P
Question
A state toll highway authority is planning to expand the pavement deflection monitoring program for its 500 miles of toll highways. The requirements state that a 20 percent change in pavement deflection should be detectable in at least 9 out of every 10 tests. If the state authority currently monitors 100, 1-mile-long segments, determine the expansion needed in its deflection program to comply with the new requirements.
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