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<p>This study evaluates the viscoelastic behavior of asphalt concrete incorporating Sintered Aggregate of Calcined Clay (SACC) through a comparative analysis of the Huet-Sayegh, 2S2P1D, and GHS models. The 2S2P1D model was identified as the most parametrically efficient, a finding supported by the GHS model, which showed that a third parabolic element was superfluous. The primary contribution lies in the interpretation of the fitted parameters, which defines a unique rheological signature for the SACC mixture: a lower glassy modulus coupled with an exceptionally high resistance to permanent deformation. This advantageous performance profile, particularly suited for high-temperature applications, shifts the focus from simply advocating for SACC use to providing a fundamental, model-based rationale for its implementation in sustainable pavement design.</p>

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Viscoelastic mechanical models analysis in asphalt concrete with sintered aggregate of calcined clay

  • 期刊论文

  • 发表日期：

    2025年12月25日

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  • Carlos Eduardo Neves de Castro,
  • Antonio Cleiton Lopes da Silva ,
  • Anne Karollynne Castro Monteiro,
  • Leandro Aparecido Pocrifka,
  • José Costa de Macêdo Neto,
  • Consuelo Alves da Frota

摘要

This study evaluates the viscoelastic behavior of asphalt concrete incorporating Sintered Aggregate of Calcined Clay (SACC) through a comparative analysis of the Huet-Sayegh, 2S2P1D, and GHS models. The 2S2P1D model was identified as the most parametrically efficient, a finding supported by the GHS model, which showed that a third parabolic element was superfluous. The primary contribution lies in the interpretation of the fitted parameters, which defines a unique rheological signature for the SACC mixture: a lower glassy modulus coupled with an exceptionally high resistance to permanent deformation. This advantageous performance profile, particularly suited for high-temperature applications, shifts the focus from simply advocating for SACC use to providing a fundamental, model-based rationale for its implementation in sustainable pavement design.