Experimental study of the effect of filler on the ductility of filler-bitumen mastics

L. Pereira; A. C. Freire; M. Sá da Costa; V. Antunes; Luís Quaresma; R. Micaelo

doi:10.1016/j.conbuildmat.2018.09.063

Experimental study of the effect of filler on the ductility of filler-bitumen mastics

L. Pereira, A. C. Freire, M. Sá da Costa, V. Antunes, Luís Quaresma, R. Micaelo

DEC - Departamento de Engenharia Civil

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

41 Citations (Scopus)

Abstract

This research investigated the effect of filler on the ductility of filler-bitumen mastics, as a surrogate of the cohesive behaviour and the tensile properties. Various fillers (industrial products, mineral fillers or waste materials) were mixed with one paving grade bitumen, in various filler-to-bitumen ratios, and tested under the force-ductility test. The force-elongation curve obtained is affected by the constituents, but the peak force and total deformation energy are a mainly a function of the normalized filler concentration value. Moreover, the effect of the filler type and concentration on the specimen's ductility is better perceived from the normalized post-peak deformation energy. Normalized filler concentration values close to 0.80 induce a clear reduction in ductility.

Original language	English
Pages (from-to)	1045-1053
Number of pages	9
Journal	Construction and Building Materials
Volume	189
DOIs	https://doi.org/10.1016/j.conbuildmat.2018.09.063
Publication status	Published - 20 Nov 2018

Keywords

Bituminous mastic
Ductility
Filler
Suspension's rheological behaviour

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10.1016/j.conbuildmat.2018.09.063Licence: CC BY-NC-ND

Cite this

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title = "Experimental study of the effect of filler on the ductility of filler-bitumen mastics",

abstract = "This research investigated the effect of filler on the ductility of filler-bitumen mastics, as a surrogate of the cohesive behaviour and the tensile properties. Various fillers (industrial products, mineral fillers or waste materials) were mixed with one paving grade bitumen, in various filler-to-bitumen ratios, and tested under the force-ductility test. The force-elongation curve obtained is affected by the constituents, but the peak force and total deformation energy are a mainly a function of the normalized filler concentration value. Moreover, the effect of the filler type and concentration on the specimen's ductility is better perceived from the normalized post-peak deformation energy. Normalized filler concentration values close to 0.80 induce a clear reduction in ductility.",

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AU - Pereira, L.

AU - Freire, A. C.

AU - Sá da Costa, M.

AU - Antunes, V.

AU - Quaresma, Luís

AU - Micaelo, R.

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N2 - This research investigated the effect of filler on the ductility of filler-bitumen mastics, as a surrogate of the cohesive behaviour and the tensile properties. Various fillers (industrial products, mineral fillers or waste materials) were mixed with one paving grade bitumen, in various filler-to-bitumen ratios, and tested under the force-ductility test. The force-elongation curve obtained is affected by the constituents, but the peak force and total deformation energy are a mainly a function of the normalized filler concentration value. Moreover, the effect of the filler type and concentration on the specimen's ductility is better perceived from the normalized post-peak deformation energy. Normalized filler concentration values close to 0.80 induce a clear reduction in ductility.

AB - This research investigated the effect of filler on the ductility of filler-bitumen mastics, as a surrogate of the cohesive behaviour and the tensile properties. Various fillers (industrial products, mineral fillers or waste materials) were mixed with one paving grade bitumen, in various filler-to-bitumen ratios, and tested under the force-ductility test. The force-elongation curve obtained is affected by the constituents, but the peak force and total deformation energy are a mainly a function of the normalized filler concentration value. Moreover, the effect of the filler type and concentration on the specimen's ductility is better perceived from the normalized post-peak deformation energy. Normalized filler concentration values close to 0.80 induce a clear reduction in ductility.

KW - Bituminous mastic

KW - Ductility

KW - Filler

KW - Suspension's rheological behaviour

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Experimental study of the effect of filler on the ductility of filler-bitumen mastics

Abstract

Keywords

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