DSHD -0719 Automatic Wheel Track Tester

Product standard:

1)DSHD -0719 Automatic Wheel Track tester is made as per T0719 in the Industry Standard JTJ052 Specification and Test Methods of Bitumen and Bituminous Mixture for Highway Engineering.
2) DSHD -0719 Automatic Wheel Track tester is specially applied to determine the resistance to rutting of bituminous mixture at high temperature.
3) DSHD -0719 Automatic Wheel Track tester can also be used as an auxiliary check method during bituminous mixture ratio design.

Technical parameters

1. Rolling speed of roller: 42± 1 times/min (one way);
2. Test vehicle moving distance: 230± 10mm;
3. Hardness of rubber for rolling wheel: 78± 2 (International Standard Hardness);
4. Pressure between rolling wheel and test mold: 0.7± 0.05MPa;
5. Test mold size: 300× 300× 50mm;
6. Measurement range for displacement: 0~30 mm;
7. Measurement accuracy for displacement: Less than 0.01 mm;
8. Test duration: 60~240min;
9. Temperature controlling range for constant temperature case: Room temperature~80centigrade;
10. Temperature controlling accuracy: ± 0.3centigrade;
11. Power supply: 380 V, 50 Hz, 3 kW;