Prediction of Pavement Temperature

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ABSTRACT One of the most important environmental factors that significantly affect the mechanical properties of asphalt mixtures is temperature. Temperature, not only affects the structural capacity of the pavement but also causes a lot of distresses in pavements, the major ones being Rutting, Fatigue cracking and Low temperature cracking. Rutting may cause hydroplaning and non-uniform tire pavement contact stresses, which will further lead to other diseases and affect driving safety. Therefore, temperature is a significant factor that affects the performance and life span of a pavement. After the introduction of the Superpave method of approach to mix design that proposes a two-number system intended to insure that the proper asphalt binder is used to resist pavement rutting in hot temperatures and to resist cracking in cold temperatures, accurate measurement of temperatures became important. Thus, in this paper some of the methods for prediction of pavement temperature were included and also identification of the best method for predicting pavement temperature was done. It also indicates the procedure for reducing pavement temperature using different methods and procedure and the efficiency of each method. Key words: Reduction, Prediction, Pavement, Temperature, Harvesting Energy, Heat Island Effect, Albedo, SRI.

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determination of pavement temperature

Transcript of Prediction of Pavement Temperature

Page 1: Prediction of Pavement Temperature

ABSTRACT

One of the most important environmental factors that significantly affect the

mechanical properties of asphalt mixtures is temperature. Temperature, not only affects the

structural capacity of the pavement but also causes a lot of distresses in pavements, the major

ones being Rutting, Fatigue cracking and Low temperature cracking. Rutting may cause

hydroplaning and non-uniform tire pavement contact stresses, which will further lead to other

diseases and affect driving safety. Therefore, temperature is a significant factor that affects

the performance and life span of a pavement. After the introduction of the Superpave method

of approach to mix design that proposes a two-number system intended to insure that the

proper asphalt binder is used to resist pavement rutting in hot temperatures and to resist

cracking in cold temperatures, accurate measurement of temperatures became important.

Thus, in this paper some of the methods for prediction of pavement temperature were

included and also identification of the best method for predicting pavement temperature was

done. It also indicates the procedure for reducing pavement temperature using different

methods and procedure and the efficiency of each method.

Key words: Reduction, Prediction, Pavement, Temperature, Harvesting Energy, Heat Island

Effect, Albedo, SRI.