Community Research and Development Information Service - CORDIS

Design and construction of recycling techniques: Construction project concerning to the Spanish experimental tracks

GISA elected the road where the experimental tracks have been built, according to their technical characteristics in terms of the original situation of the pavement and the requirements demanded by the technical committee. GISA has also taken care of the administrative process in order to allow the construction of the project, with the approval of the General Road Management Department of the Generalitat de Catalunya (regional Catalan Government).

The reinforcement is located on a 5-kilometre two-lane track (with a particular section of three lanes along 2,3 kilometres), where 11 sub-tracks were executed: 5 with hot recycling techniques, 2 with cold recycling techniques, 2 with both hot and cold recycling techniques and 2 with conventional reinforcement.

The experimental binders and mixtures were implemented in all the sub-tracks, except in the last two conventional-reinforced ones.

The characterisation and dosage of the asphalt mixtures was proposed after the analysis of the deflection measurement carried out at the project road by LGAI.

Reported by

Josep Tarradellas, 20-30, 1a planta
08029 Barcelona
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