NRRA Hamburg Wheel Results

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Presentation transcript:

NRRA Hamburg Wheel Results Presentation Title NRRA Hamburg Wheel Results Barry Paye Chief Materials & Pavement Engineer NRRA Paving Workshop May 23, 2018 Wisconsin Department of Transportation

TESTING InstroTek SmarTracker™ Hamburg Wheel AASHTO T-324 Modification: Tested at 45°C All 58H-28 except 58H-34 ON 12.5 TRAFFIC LEVEL 3 58V-34 ON INTERLAYER

HWT Results Average of middle 7 data points Presentation Title RESULTS Mix ID Cell Location HWT Results Average of middle 7 data points SIP Average TRAFF LEVEL AGG SIZE BINDER DES VOIDS (SPWExxxxx) (mm @ # passes) A440E 984, 987, 991-994 6.19 @ 20000 18995 4 9.5 58H-28 B340C CCPR & LV 12.5 14405 12060 3 58H-34 B430E 990 (Reg AV) 6.75 B440E 985, 986, 988 19720 13962 B450E 989 (Sup 5) 9.83 16797 5 C440E 987-991 6.34 18988 19 D430I 992 (Interlay) 11.25 15171 4.75 58E-34 2.0-3.0 D440E 201, 215 (PP) 9916 7319 Wisconsin Department of Transportation

NUMBER OF PASSES RUT DEPTH

VARY GRADATION 19.0 9.5 12.5 4.75 Presentation Title Wisconsin Department of Transportation

VARY DESIGN AIR VOID 12.5mm MIXES 3.0 REGR SP 5.0 4.0

4.75mm MIXES V BINDER INTERLAYER H BINDER

Presentation Title Wisconsin Department of Transportation