Porous asphalt mixture with alternative aggregates and crumb-rubber modified binder at reduced temperature

P. Lastra-González; M.Á. Calzada-Pérez; D. Castro-Fresno; Á. Vega-Zamanillo; I. Indacoechea-Vega

doi:10.1016/j.conbuildmat.2017.06.008

Porous asphalt mixture with alternative aggregates and crumb-rubber modified binder at reduced temperature

P. Lastra-González, M.Á. Calzada-Pérez, D. Castro-Fresno, Á. Vega-Zamanillo, I. Indacoechea-Vega

Universidad de Cantabria

Research output: Contribution to journal › Article › peer-review

18 Citations (Scopus)

79 Downloads (Pure)

Abstract

This paper studies the design and characterization of a PA mixture with 91% of EAF slag, using a commercial CRM binder. A fatty acid amide wax was added to decrease the mixture manufacturing temperature. The mechanical performance of the designed mixtures was studied with the determination of void characteristics, water sensitivity, and particle loss in dry and wet conditions. Finally, their compactability, stiffness and fatigue resistance were also analysed.

The addition of the wax allowed to decrease the manufacturing temperature 15 °C. Besides, the wax increased the complex modulus of bitumen, increasing also the elastic component and decreasing the thermal susceptibility, although these modifications did not have a significant impact in the mechanical performance of the mixture.

Original language	English
Pages (from-to)	260-267
Number of pages	8
Journal	Construction and Building Materials
Volume	150
Early online date	9 Jun 2017
DOIs	https://doi.org/10.1016/j.conbuildmat.2017.06.008
Publication status	Published - 30 Sept 2017
Externally published	Yes

Keywords

Porous asphalt mixture
Crumb-rubber modified bitumen
Wax
EAF slag
Warm mix asphalt

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10.1016/j.conbuildmat.2017.06.008

Post-PrintAccepted author manuscript, 1.26 MBLicence: CC BY-NC-ND

Cite this

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title = "Porous asphalt mixture with alternative aggregates and crumb-rubber modified binder at reduced temperature",

abstract = "This paper studies the design and characterization of a PA mixture with 91% of EAF slag, using a commercial CRM binder. A fatty acid amide wax was added to decrease the mixture manufacturing temperature. The mechanical performance of the designed mixtures was studied with the determination of void characteristics, water sensitivity, and particle loss in dry and wet conditions. Finally, their compactability, stiffness and fatigue resistance were also analysed.The addition of the wax allowed to decrease the manufacturing temperature 15 °C. Besides, the wax increased the complex modulus of bitumen, increasing also the elastic component and decreasing the thermal susceptibility, although these modifications did not have a significant impact in the mechanical performance of the mixture.",

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AU - Lastra-González, P.

AU - Calzada-Pérez, M.Á.

AU - Castro-Fresno, D.

AU - Vega-Zamanillo, Á.

AU - Indacoechea-Vega, I.

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AB - This paper studies the design and characterization of a PA mixture with 91% of EAF slag, using a commercial CRM binder. A fatty acid amide wax was added to decrease the mixture manufacturing temperature. The mechanical performance of the designed mixtures was studied with the determination of void characteristics, water sensitivity, and particle loss in dry and wet conditions. Finally, their compactability, stiffness and fatigue resistance were also analysed.The addition of the wax allowed to decrease the manufacturing temperature 15 °C. Besides, the wax increased the complex modulus of bitumen, increasing also the elastic component and decreasing the thermal susceptibility, although these modifications did not have a significant impact in the mechanical performance of the mixture.

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JO - Construction and Building Materials

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ER -

Porous asphalt mixture with alternative aggregates and crumb-rubber modified binder at reduced temperature

Abstract

Keywords

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