A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Calibrating the Aging Difference between In-Service Fatigue Performance of Flexible Pavements and Accelerated Pavement Testing
Accelerated Pavement Testing (APT) programs have led to advances in practice and economic savings. Because of the limited ability to address long-term phenomena such as material aging, the same pavement structure may exhibit different response and performance under APT than when in-service. There is a need for a methodology to predict the long-term performance of in-service pavement structures from the results of APT tests. The effect of aging is incorporated into a correction factor based on the principles proposed in the Global Aging System. The bias correction factor for aging can be established by computer simulation and calibrated using actual data from APT and LTPP experiments. Since the principles of the Global Aging System have already been incorporated into the M-E Design Guide (NCHRP 1-37A), it is proposed to use computer simulation to estimate the relation and to verify the laboratory results.
Calibrating the Aging Difference between In-Service Fatigue Performance of Flexible Pavements and Accelerated Pavement Testing
Accelerated Pavement Testing (APT) programs have led to advances in practice and economic savings. Because of the limited ability to address long-term phenomena such as material aging, the same pavement structure may exhibit different response and performance under APT than when in-service. There is a need for a methodology to predict the long-term performance of in-service pavement structures from the results of APT tests. The effect of aging is incorporated into a correction factor based on the principles proposed in the Global Aging System. The bias correction factor for aging can be established by computer simulation and calibrated using actual data from APT and LTPP experiments. Since the principles of the Global Aging System have already been incorporated into the M-E Design Guide (NCHRP 1-37A), it is proposed to use computer simulation to estimate the relation and to verify the laboratory results.
Calibrating the Aging Difference between In-Service Fatigue Performance of Flexible Pavements and Accelerated Pavement Testing
Guo, Runhua (author) / Prozzi, Jorge A. (author)
Airfield and Highway Pavements Specialty Conference 2006 ; 2006 ; Atlanta, Georgia, United States
Airfield and Highway Pavement ; 98-106
2006-04-28
Conference paper
Electronic Resource
English
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