The pavement that need to be constructed is a six-lane divided highway. The present AADT (both directions) of 6000 vehicles is expected to grow at 5% per annum. The percent of traffic on the design lane is 45%. Determine the design ESAL if the design life is 20 years and the vehicle mix is: Passenger cars (1000 lb/axle) 60% 2-axle single-unit trucks (5000 lb/axle) 30% 3-axle single-unit trucks (7000 lb/axle) 10% %3D

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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The pavement that needs to be constructed is a six-lane divided highway. The present AADT (both directions) of 6000 vehicles is expected to grow at 5% per annum. The percent of traffic on the design lane is 45%. Determine the design ESAL if the design life is 20 years and the vehicle mix is:

- Passenger cars (1000 lb/axle) = 60%
- 2-axle single-unit trucks (5000 lb/axle) = 30%
- 3-axle single-unit trucks (7000 lb/axle) = 10%
Transcribed Image Text:The pavement that needs to be constructed is a six-lane divided highway. The present AADT (both directions) of 6000 vehicles is expected to grow at 5% per annum. The percent of traffic on the design lane is 45%. Determine the design ESAL if the design life is 20 years and the vehicle mix is: - Passenger cars (1000 lb/axle) = 60% - 2-axle single-unit trucks (5000 lb/axle) = 30% - 3-axle single-unit trucks (7000 lb/axle) = 10%
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Equivalent single axle load is generally the statistic represents a mixed stream of traffic of different axle loads and axle values that determined over the design or analysis period and summed over that period. In simple terms, It is an equivalent axle load factor is the damage per pass to a pavement by the type of axle relative to the damage per pass of a standard axle load

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