Institut für Verkehrsplanung und Transportsysteme, ETH Zürich
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VSS 2007/702: Use of reinforced asphalt concrete in road maintenance

Project description

During recent years different reinforcements have been used more excessively in the rehabilitation of asphalt pavements with the purpose to limit the rehabilitation expense and effort by expanding rehabilitation intervals and the life expectancy of a pavement. First Swiss studies have shown that the use of reinforcements in asphalt pavements as a rehabilitation measure is not always successful. Especially long term performance evaluations are missing and the specific feature of different reinforcements are not well known.

This pilot study will summarise the present level of experience and knowledge regarding national and international application of reinforcement for rehabilitation purposes. First conclusions for the application of reinforcement in maintenance in Switzerland will be derived; if possible, recommendations will be given, as well as gap in the knowledge shown. Additionally a systematic of terms and definitions regarding different constructions will be gathered.

The study will reveal the necessary research and demonstrate how existing knowledge and experiences can be taken into consideration. Furthermore, the base for the tender of an in situ long term performance research will be provided and criteria for the evaluation and realisation of such an in situ project will be defined.

Awarding authority

UVEK / ASTRA, VSS-Forschungsauftrag 2007/702


Prof. H.P. Lindenmann

F. Schiffmann

In cooperation with:

Abteilung Strassenbau / Abdichtungen, EMPA


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