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GD-0719A Automatic Wheel-Track Tester

It is used to determine the wheel track resistance property of bituminous mixtures under high temperature condition(Immersed in water or not immersed in water).

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  • GD-0719A
  • GOLD
  • GD-0719A

GD-0719A Automatic Wheel-Track Tester


Introduction:
1. Our Automatic wheel track tester is designed and made as per industrial standard T0719-2011 Wheel Track Test for Bituminous Materials in JTG E20-2011 Standard Test Methods of Bitumen and Bituminous Mixtures for Highway Engineering.
2.It is used to determine the wheel track resistance property of bituminous mixtures under high temperature condition(Immersed in water or not immersed in water).

 
I. Main technical features:
1.  PWM temperature control. It can control: (1) Water temperature in chamber during water immersed wheel track test  
 (2)Ambient temperature of constant temperature chamber at a time.
2.  The constant temperature chamber adopts outside circulatory heating mode. The uniformity and stability is good. No overshoots.
3.  It shows time- displacement curves and time- temperature curves during a test.
4.  It equips an absolute temperature sensor. No temperature drift in a long time test. 
5.  The mechanical structure adopts wheel movement mode.
6.  One wheel tester. It can determine both water immersion test or no water immersion test. 
 

II. Main technical specifications:

 Sample size300mm×300mm×(30~200)mm (Grinding wheel molding)
 300mm×15mm×50mm(Cutting on site)
Working modeRod drive
  Rubber hardness78±2 at 60℃,international standard.
  Test wheel movement230mm±10mm
Grinding rate (42±1)times/min (21 times of returns/min)
Loading device(0.7MPa~1.3 MPa)±0.05Mpa when CPRESS is at 60℃
Displacement measuring range 0mm~30mm
Displacement measuring accuracy<0.01mm
Wheel track test time60 minutes~240 minutes. 60 minutes is standard
Temperature controle for constant temperature chamberAmbient temp.~80℃,precision ±0.3℃
Deformation measurementPrecision 0.3%,minimum division 0.005mm.
Test temperature 45℃~85℃, precision 0.5℃
Working environmentTemperature 0℃~50℃,RH ≤90%
Drive motor power0.75kW,1450r/min
Power supply  3 phases and four lines. Power 3.5KW,The yellow line is working zero line
 
Dimension1510mm×740mm×146mm
Net weightAbout 0.5 T


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