DSHD -0719 Automatic Wheel Track tester | Global Trade leader ecrobot

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DSHD -0719 Automatic Wheel Track tester

Posting date : May 27, 2013

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MINERAL PRODUCTS | Mineral fu

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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～80℃; 10. Temperature controlling accuracy: ±0.3℃; 11. Power supply: 380 V, 50 Hz, 3 kW;