You are currently working for the City and you have to select a performance grade asphalt binder for a paving project. Local weather statistics: High 7 day air temperature Low 1 day air temperature Latitude: 20.63° Avg 33.1° C 2 standard deviations -39.6° C Longitude: 104.67° 2.2 3.9 Elavation:557m A) Calculate the low pavement design temperature and high pavement design temperature at 50% reliability and 98% reliability. B) What PG grade asphalt would you choose at 50% reliability and 98% reliability? C) Considering at the intersections with stop signs the PG should upgraded by 2, which PG asphalt binder would you recommend for?
You are currently working for the City and you have to select a performance grade asphalt binder for a paving project. Local weather statistics: High 7 day air temperature Low 1 day air temperature Latitude: 20.63° Avg 33.1° C 2 standard deviations -39.6° C Longitude: 104.67° 2.2 3.9 Elavation:557m A) Calculate the low pavement design temperature and high pavement design temperature at 50% reliability and 98% reliability. B) What PG grade asphalt would you choose at 50% reliability and 98% reliability? C) Considering at the intersections with stop signs the PG should upgraded by 2, which PG asphalt binder would you recommend for?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Alberta Requirements
Transcribed Image Text:You are currently working for the City and you have to select a performance grade asphalt
binder for a paving project.
Local weather statistics:
High 7 day air temperature
Low 1 day air temperature
Latitude: 20.63°
Avg
33.1° C
2 standard deviations
-39.6° C
Longitude: 104.67°
2.2
3.9
Elavation:557m
A) Calculate the low pavement design temperature and high pavement design temperature
at 50% reliability and 98% reliability.
B) What PG grade asphalt would you choose at 50% reliability and 98% reliability?
C) Considering at the intersections with stop signs the PG should upgraded by 2, which
PG asphalt binder would you recommend for?
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