2026-05-12T08:04:27Zhttps://riubu.ubu.es/oai/requestoai:riubu.ubu.es:10259/68912022-10-19T06:43:26Zcom_10259.4_104com_10259_2604col_10259_6848
Vega-Zamanillo, Ángel
93783aee-a7ee-497c-8683-e6f646a8ce19
500
Juli-Gándara, Luis
ffabbc90-e564-473a-b87c-60199abb7e59
500
Calzada Pérez, Miguel A.
bbde1eb5-d50f-4a81-bf23-1830a0b7700b
500
Teijón-López-Zuazo, Evelio
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500
2022-09-16T10:43:13Z
2022-09-16T10:43:13Z
2021-07
978-84-18465-12-3
http://hdl.handle.net/10259/6891
10.36443/10259/6891
Trabajo presentado en: R-Evolucionando el transporte, XIV Congreso de Ingeniería del Transporte (CIT 2021), realizado en modalidad online los días 6, 7 y 8 de julio de 2021, organizado por la Universidad de Burgos
The main objective of road conservation is to maintain the characteristics of the platform
elements to ensure that vehicle mobility is carried out comfortably and safely. The
orographic conditions of Spain, with a large length of high mountain roads and others at
sea level; and winter weather events, with low temperatures, wind, water, ice, snow,…,
which cause deposits of particles, filler, soils, small metals, or sea salt on the pavement
surface, can be dangerous in the circulation of vehicles.
One of the traditional methods for maintaining wheel-pavement adhesion is to apply flux
products, mainly salt (sodium chloride, NaCl) and calcium chloride (Cl2Ca), solidly or
humidified (salt brine). This chemical fluxes have the property of preventing the formation
of ice as antifreeze, or facilitating their melting if it has already formed.
This research studies the influence of salt in the surface layer of pavement made of hot mix
asphalt with conventional binder. The effect of the salt is analyzed under three different
conditions: immerse the specimens in salt water; add salt as aggregate in the manufacture
of the mix; and submerging the natural aggregate in water with several amounts of salt, dry
it and then manufactured the mixture with it. The mechanical parameters of the mixture
have been analyzed in the laboratory: density, air voids, adhesion, indirect tensile strength
and plastic deformation. To do this, Marshall test, Water Sensitivity Test (ITSR) and
Wheel Tracking Test have been performed.
The properties of hot mix asphalt do not decrease significantly when it is manufactured of
salt added as aggregate, neither when it is submerged in salt water. The bituminous mixture
offers negative results when it is manufactured with natural aggregate submerged in water
with salt previously, because the adhesion between the aggregate and the binder is low.
application/pdf
eng
Universidad de Burgos. Servicio de Publicaciones e Imagen Institucional
R-Evolucionando el transporte
http://hdl.handle.net/10259/6490
https://doi.org/10.36443/9788418465123
Infraestructuras
Infrastructures
Ingeniería civil
Materiales de construcción
Vías terrestres
Civil engineering
Building materials
Roads
Study on the conservation of bituminous mixes in high mountain roads and coastal zones
info:eu-repo/semantics/conferenceObject
info:eu-repo/semantics/publishedVersion
info:eu-repo/semantics/openAccess
719
730
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Vega_CIT2021_719-730.pdf.jpg
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license.txt
license.txt
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ORIGINAL
Vega_CIT2021_719-730.pdf
Vega_CIT2021_719-730.pdf
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https://riubu.ubu.es/bitstream/10259/6891/1/Vega_CIT2021_719-730.pdf
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10259/6891
oai:riubu.ubu.es:10259/6891
2022-10-19 08:43:26.458
Repositorio Institucional de la Universidad de Burgos
bubrep@ubu.es
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