Determine the allowable number of repetitions N for an asphalt mix which has the design modulus of 3.2 x 10 kPa. The load induced tensile strain at the base of the asphalt beam specimen was 150με. Given, the percentage by volume of bitumen in the asphalt was 10.0, the laboratory to service life fatigue factor was 5, and the project had a desired reliability of 90%. Table 6.16: Suggested reliability factors (RF) for asphalt fatigue Desired project reliability 85% 90% 3.0 3.9 50% 1.0 80% 24 95% 6.0 97.5% 9.0
Determine the allowable number of repetitions N for an asphalt mix which has the design modulus of 3.2 x 10 kPa. The load induced tensile strain at the base of the asphalt beam specimen was 150με. Given, the percentage by volume of bitumen in the asphalt was 10.0, the laboratory to service life fatigue factor was 5, and the project had a desired reliability of 90%. Table 6.16: Suggested reliability factors (RF) for asphalt fatigue Desired project reliability 85% 90% 3.0 3.9 50% 1.0 80% 24 95% 6.0 97.5% 9.0
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![Determine the allowable number of repetitions N for an asphalt mix which has the design modulus of 3.2
x 10 kPa. The load induced tensile strain at the base of the asphalt beam specimen was 150με. Given, the
percentage by volume of bitumen in the asphalt was 10.0, the laboratory to service life fatigue factor was 5,
and the project had a desired reliability of 90%.
Table 6.16: Suggested reliability factors (RF) for asphalt fatigue
Desired project reliability
85%
90%
3.0
3.9
50%
1.0
80%
2.4
95%
6.0
97.5%
9.0](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Faee671a3-fd25-40cf-9615-59faf6f5569b%2Fd18197c5-fccc-4818-a0b6-b199c7451dd1%2F1fhzd6_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Determine the allowable number of repetitions N for an asphalt mix which has the design modulus of 3.2
x 10 kPa. The load induced tensile strain at the base of the asphalt beam specimen was 150με. Given, the
percentage by volume of bitumen in the asphalt was 10.0, the laboratory to service life fatigue factor was 5,
and the project had a desired reliability of 90%.
Table 6.16: Suggested reliability factors (RF) for asphalt fatigue
Desired project reliability
85%
90%
3.0
3.9
50%
1.0
80%
2.4
95%
6.0
97.5%
9.0
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