FIELD: measurement technology; devices for measurement of degree of compacting; monitoring of asphalt concrete compacting process. SUBSTANCE: unit mounted inside roller consists of guide tube with indenter inside it provided with taper end-piece. Tube is connected with pneumatic cylinder by means of hose building-up the pressure required for ejecting indenter into asphalt cement layer to be packed. EFFECT: simplified process of measurement; automation of measurement processes. 2 cl, 1 dwg
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