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(Automatic translation)

bituminous mixtures for firm urban

Francisco José Lucas Ochoa
Ingeniero de Caminos, Canales y Puertos
Address Asfaltos
Repsol Lubricants and Specialties, SA

ABSTRACT

Basic criteria: three differential aspects. The selection of the mixtures to be used, the installation and maintenance.

Solutions special interest in urban firm: discontinuous fine mixtures (BBTM, SMA), colored mixes, printed asphalts, asphalts for sidewalks, etc.

Aspects that are particularly important in urban roads: ambient noise reduction, reducing energy consumption, reducing emissions (smoke, CO2, NOx, ...), contribution to the environment by reusing waste milling and other industries.

Specific problems in urban firm: reflection cracking, damage by localized efforts, replacement of coves, displacement of layers in braking areas, singular points (manhole covers, records, scuppers ... etc.).

KEYWORDS

asphalt mix, asphalt mixture, Firm, Firm city, Asphalt printed, discontinuous mix, Noise, melted asphalt, Cracking.

Spanish Road Association
Goya, 23 - 4º Right.
28001 - MADRID (Spain)
Tel .: (34) 91 5779972
Fax: (34) 91 5766522
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