(6) Two AC-20 asphalt concrete core samples sample has a diameter of 4 inches and a thie (a) If the first sample, tested in the indirect 2,500 lbs, calculate the tensile strength (b) Under a dynamic load of 50 lbs, app arrangement for the diametral modulu 0.076*10 inches is measured at 70°
(6) Two AC-20 asphalt concrete core samples sample has a diameter of 4 inches and a thie (a) If the first sample, tested in the indirect 2,500 lbs, calculate the tensile strength (b) Under a dynamic load of 50 lbs, app arrangement for the diametral modulu 0.076*10 inches is measured at 70°
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
![(6) Two AC-20 asphalt concrete core samples are taken from an existing flexible pavement. Each
sample has a diameter of 4 inches and a thickness of 2.5 inches.
(a) If the first sample, tested in the indirect tensile apparatus, failed under a maximum load of
2,500 lbs, calculate the tensile strength of the AC-20 asphalt concrete mixture.
(b) Under a dynamic load of 50 lbs, applied on the second specimen in the transducer
arrangement for the diametral modulus test, a horizontal recoverable deformation of
0.076*10 inches is measured at 70° F. What is the resilient modulus of the asphalt
concrete (AC) layer in the field (use the equation on page 283)?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0ca03b77-adcd-408c-84df-2e8dc430e0b5%2F42c89200-e5df-4640-9faa-81f313d865e4%2Fbsgp3uw_processed.jpeg&w=3840&q=75)
Transcribed Image Text:(6) Two AC-20 asphalt concrete core samples are taken from an existing flexible pavement. Each
sample has a diameter of 4 inches and a thickness of 2.5 inches.
(a) If the first sample, tested in the indirect tensile apparatus, failed under a maximum load of
2,500 lbs, calculate the tensile strength of the AC-20 asphalt concrete mixture.
(b) Under a dynamic load of 50 lbs, applied on the second specimen in the transducer
arrangement for the diametral modulus test, a horizontal recoverable deformation of
0.076*10 inches is measured at 70° F. What is the resilient modulus of the asphalt
concrete (AC) layer in the field (use the equation on page 283)?
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