A roadway project will be constructed in 2026 as flexible pavement, pt-2.5, expected SN=4 and has a 20-year design life. Design work was done in 2021, with growth rate of 6%. The traffic survey gives axles loads shown in table above. Find the design ESAL according to AASHTO design method. Truck type Axle Cate
A roadway project will be constructed in 2026 as flexible pavement, pt-2.5, expected SN=4 and has a 20-year design life. Design work was done in 2021, with growth rate of 6%. The traffic survey gives axles loads shown in table above. Find the design ESAL according to AASHTO design method. Truck type Axle Cate
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![A roadway project will be constructed in 2026 as flexible pavement, pt= 2.5, expected SN=4
and has a 20-year design life. Design work was done in 2021, with growth rate of 6%. The
traffic survey gives axles loads shown in table above. Find the design ESAL according to
AASHTO design method.
Truck type
Type-1
Type-2
Type-3
Type-4
Type-5
Type-6
Axle Category
1-single axle of 30 kips
1- tandem axle of 32 kips
1-single axle of 18 kips
2- tandem axle of 40 kips
1-single axle of 20 kips
1- tandem axle of 36 kips
1- tandem axle of 50 kips
2-single axle of 38 kips
1- tandem axle of 52 kips
2-single axle of 14 kips
1- tandem axle of 32 kips
1- triple axles of 50 kips
1-single axle of 40 kips
1- tandem axle of 32 kips
Type-7
CS CamScanner triple axies of 58 kips
J
2-single axle of 22 kips
1- tandem axle of 38 kips
% Total AADT
9%
10%
7%
5%
3%
5%
4%
12:](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fad61c038-59ef-4591-a46a-bdf38b1c2fcf%2F962c90ae-7bb2-4bf3-b5de-57b11a221f9f%2Fzth71v_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A roadway project will be constructed in 2026 as flexible pavement, pt= 2.5, expected SN=4
and has a 20-year design life. Design work was done in 2021, with growth rate of 6%. The
traffic survey gives axles loads shown in table above. Find the design ESAL according to
AASHTO design method.
Truck type
Type-1
Type-2
Type-3
Type-4
Type-5
Type-6
Axle Category
1-single axle of 30 kips
1- tandem axle of 32 kips
1-single axle of 18 kips
2- tandem axle of 40 kips
1-single axle of 20 kips
1- tandem axle of 36 kips
1- tandem axle of 50 kips
2-single axle of 38 kips
1- tandem axle of 52 kips
2-single axle of 14 kips
1- tandem axle of 32 kips
1- triple axles of 50 kips
1-single axle of 40 kips
1- tandem axle of 32 kips
Type-7
CS CamScanner triple axies of 58 kips
J
2-single axle of 22 kips
1- tandem axle of 38 kips
% Total AADT
9%
10%
7%
5%
3%
5%
4%
12:
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