Realistic laboratory curing of bituminous mixtures

In order to perform some specific testing, road laboratories apply a preliminary thermal treatment that impacts the asphalt mixture mechanical and intrinsic properties. The current standardisation in Switzerland and in Europe does not sufficiently describe the procedures of thermal ageing and this leads to great variability in different test results. The present study allowed analysing the impact of thermal ageing and to establish, verify and calibrate a new reheating methodology.

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