Structural Analysis
6th Edition
ISBN: 9781337630931
Author: KASSIMALI, Aslam.
Publisher: Cengage,
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The AADTT of a 2-way (2-lane each way) highway is 10,000. The directional distribution may
vary between 45 and 55% depending on season. The lane distribution may vary between 60 and
75%. The driving lane always carries more loads compared to the passing lane. The growth
factor for the pavement is 3.5%. Based on the above information, calculate the design AADTT
for the driving lane if the pavement service life is 20 years.
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- 2 a. The scales reading the weight of each truck were reading 10% low. Calculate the ESAL for the following truck, assuming flexible pavement for both the axle/axle group weight and the weight increased by 10% 12,000 lbs 40,000 lb shoporst 20,000 b. Calculate the ESAL for the above truck, assuming rigid pavement. 20,000arrow_forward“Value” in the Value Engineering process is defined as _________ divided by ____________. Initial cost, duration + quality Initial cost, life-cycle cost Function + quality, life-cycle cost Duration, initial costarrow_forwardA six lane divided highway is being designed for a current AADT of 6000 vehicles with a growth rate of 5% and a design life of 20 years. If the vehicle mix is 60% passenger cars (2 kips), 30% 3-axle single unit truck (12 kips) and 10% 3-axle tandem trailer (30 kips). The pavement has a terminal serviceability index (pt) of 2.5 and Structural Number (SN) of 5. Determine the design ESAL?arrow_forward
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