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Gyratory compactor for Area 5 Materials and Test Lab


Location
Alabama
Publication Date
04/06/2020 11:32 AM EDT
Closing Date
05/07/2020 06:00 PM EDT
Issuing Organization
State of Alabama - Department of Transportation
Solicitation Number
Description

Specifications include, but are not limited to: The gyratory compactor must be the newest model at time of purchase and must be an electrohydraulic or electromechanical or electropneumatic compactor with a ram and ram heads as described in Section 4.3 of AASHTO T 312. The gyratory compactor must be capable of producing 150 mm (+/- 0.1 mm) diameter hot mix asphalt specimens between 60 and 170 mm in height by compressing a specimen at 600 kPa (+/- 18 kPa) while gyrating the specimen 30 (+/- O,S) gyrations per minute at an internal angle of 20.2 +/- 0.35 mrad {1.16 degrees (+/„ 0.02 degrees)} as measured by AASHTO TP 71-09 and must record the specimen's height to the nearest 0.1 mm (minimum precision 0.1 mm) every gyration (at least once per gyration) during compaction.

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