-Way on a major six-lane flexible pave ghway consists of trucks of type 1 and 2 with equivalency factors as follow: type1 truck 1000/day (2 way) type2truck 500/day (2 way) 24kips(single) 24Kips(Fandem) 12kips(single) Equiv. 3.22 0.450 0.010 factor 24kips(single) 3.22 12 kips(Tandem) 0.026 Performance penod-15 years, annual growth rate=4%, tirectional distributi percent -70%, design lane percent 80 %, required structural number ubgrade = 5.7, asphalt concrete surfacing layer coefficient (a=0.42), asphe oncrete base laver coefficient (1034) armial and call subbare lever coefficie

Structural Analysis
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Chapter2: Loads On Structures
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Q: The expected daily traffic (AADT) for tow-way on a major six-lane flexible pavement
highway consists of trucks of type 1 and 2 with equivalency factors as follow:
type1 truck 1000/day(2. way)
type2truck 500/day (2 way)
24kips(single) 24Kips(Tandem) 12kips(single)
Equiv. 3.22 0.450
0.010
factor
24kips(single)
3.22
12 kips(Tandem)
0.026
Performance penod-15 years, annual growth rate=4%, tirectional distribution
percent -70%, design lane percent 80 %, required structural number for
subgrade = 5.7, asphalt concrete surfacing layer coefficient (4,-0.42), asphalt
concrete base layer coefficient (a₂-034), gravel and soil subbase layer coefficient
(93-0.12) and the modify drainage coefficient (m = 1.0) for all pavement courses
Find the equivalent single axle load (ESAL) and draw a simple sketch of designed
three pavement thickness courses with all necessary calculations?
Transcribed Image Text:Q: The expected daily traffic (AADT) for tow-way on a major six-lane flexible pavement highway consists of trucks of type 1 and 2 with equivalency factors as follow: type1 truck 1000/day(2. way) type2truck 500/day (2 way) 24kips(single) 24Kips(Tandem) 12kips(single) Equiv. 3.22 0.450 0.010 factor 24kips(single) 3.22 12 kips(Tandem) 0.026 Performance penod-15 years, annual growth rate=4%, tirectional distribution percent -70%, design lane percent 80 %, required structural number for subgrade = 5.7, asphalt concrete surfacing layer coefficient (4,-0.42), asphalt concrete base layer coefficient (a₂-034), gravel and soil subbase layer coefficient (93-0.12) and the modify drainage coefficient (m = 1.0) for all pavement courses Find the equivalent single axle load (ESAL) and draw a simple sketch of designed three pavement thickness courses with all necessary calculations?
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