An efficient algorithm for determining the Huet-Sayegh viscoelastic model parameters based on creep compliance data
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https://doi.org/10.15625/0866-7136/23801Keywords:
Huet-Sayegh model, parameter identification, asphalt mixtures, creep compliance, time domainAbstract
The Huet-Sayegh (HS) model is a well-known rheological model in pavement engineering for its excellence in predicting the linear viscoelastic (LVE) behavior of asphaltic materials. With the traditional approach, the model parameters are identified by minimizing the error between the predicted and experimental complex modulus data obtained in frequency domain. However, with the advancement of testing techniques, it is beneficial to characterize the LVE behavior directly in time domain. Consequently, there is a growing demand for determining the LVE model parameters based on time-domain data. A major challenge in applying the HS model in time domain is the lack of an exact theoretical expression for its creep compliance function, making the parameter identification much cumbersome with conventional trial-and-error approaches. This paper proposes an efficient algorithm to address this challenge. The obtained results showed that the parameters of the HS model can be determined with high accuracy and within reasonable computational times.
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Bộ Giáo dục và Ðào tạo
Grant numbers B2024-SPK-02
