Novel bituminous mastics for pavements with improved fire performance

M. Barral; P. Garmendia; M. E. Muñoz; Z. Palmillas; R. Romera; A. Santamaria; S. Villanueva

doi:10.1016/j.conbuildmat.2011.12.055

Novel bituminous mastics for pavements with improved fire performance

M. Barral, P. Garmendia, M. E. Muñoz, Z. Palmillas, R. Romera, A. Santamaria, S. Villanueva

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

28 Citations (Scopus)

Abstract

Novel bituminous mastic formulations with performing viscoelastic and mechanical properties and improved resistance to fire, are investigated. The practical performance of the mastics for pavement purposes is analysed. The study is focused on the effectiveness of different sepiolite clays and their mixtures, combined with the fire retardant action of aluminium trihydrate (ATH). Our results indicate that the performance against fire is favoured by the high porosity and density of the sepiolite, and by its lack of affinity with bitumen. Mixing two types of sepiolites we obtain a mastic which presents a synergism between the good cohesion/adhesiveness of one of the formulations and the improved fire performance of other one.

Original language	English
Pages (from-to)	650-656
Number of pages	7
Journal	Construction and Building Materials
Volume	30
DOIs	https://doi.org/10.1016/j.conbuildmat.2011.12.055
Publication status	Published - May 2012

Keywords

Bitumen
Flame retardants
Pavements
Rheology

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10.1016/j.conbuildmat.2011.12.055

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title = "Novel bituminous mastics for pavements with improved fire performance",

abstract = "Novel bituminous mastic formulations with performing viscoelastic and mechanical properties and improved resistance to fire, are investigated. The practical performance of the mastics for pavement purposes is analysed. The study is focused on the effectiveness of different sepiolite clays and their mixtures, combined with the fire retardant action of aluminium trihydrate (ATH). Our results indicate that the performance against fire is favoured by the high porosity and density of the sepiolite, and by its lack of affinity with bitumen. Mixing two types of sepiolites we obtain a mastic which presents a synergism between the good cohesion/adhesiveness of one of the formulations and the improved fire performance of other one.",

keywords = "Bitumen, Flame retardants, Pavements, Rheology",

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T1 - Novel bituminous mastics for pavements with improved fire performance

AU - Barral, M.

AU - Garmendia, P.

AU - Muñoz, M. E.

AU - Palmillas, Z.

AU - Romera, R.

AU - Santamaria, A.

AU - Villanueva, S.

PY - 2012/5

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N2 - Novel bituminous mastic formulations with performing viscoelastic and mechanical properties and improved resistance to fire, are investigated. The practical performance of the mastics for pavement purposes is analysed. The study is focused on the effectiveness of different sepiolite clays and their mixtures, combined with the fire retardant action of aluminium trihydrate (ATH). Our results indicate that the performance against fire is favoured by the high porosity and density of the sepiolite, and by its lack of affinity with bitumen. Mixing two types of sepiolites we obtain a mastic which presents a synergism between the good cohesion/adhesiveness of one of the formulations and the improved fire performance of other one.

AB - Novel bituminous mastic formulations with performing viscoelastic and mechanical properties and improved resistance to fire, are investigated. The practical performance of the mastics for pavement purposes is analysed. The study is focused on the effectiveness of different sepiolite clays and their mixtures, combined with the fire retardant action of aluminium trihydrate (ATH). Our results indicate that the performance against fire is favoured by the high porosity and density of the sepiolite, and by its lack of affinity with bitumen. Mixing two types of sepiolites we obtain a mastic which presents a synergism between the good cohesion/adhesiveness of one of the formulations and the improved fire performance of other one.

KW - Bitumen

KW - Flame retardants

KW - Pavements

KW - Rheology

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Novel bituminous mastics for pavements with improved fire performance

Abstract

Keywords

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