Custom Emulsified Asphalt Wet Wheel Abrasion Loss Tester Supplier, Pricelist

The asphalt dosage of emulsified asphalt slurry mixture is an important parameter in the mix design. If the asphalt dosage is too little, the slurry seal will be loose, and if the asphalt dosage is too much, the road surface will be bulged and the asphalt material will be wasted. The asphalt wet wheel abrasion tester can be used together with the load wheel test to determine the optimal asphalt dosage of the emulsified asphalt slurry seal mixture. This test is used to determine the minimum asphalt dosage of the slurry mixture, and is also used to test the wear performance of the slurry mixture after molding.

Product Description

The wet wheel abrasion test is designed to evaluate the wear resistance of molded slurry mixture specimens. By placing the specimen in water and grinding it with a specialized head for 5 minutes, the wear loss is measured and expressed in g/m². This instrument simulates road surface wear under vehicle loads, evaluating the performance of emulsified asphalt slurry seal mixtures by calculating mass difference before and after the test.

Technical Parameters
System I
Wet Wheel Wear Tester
  • Wear disc size: Ø320±1mm, depth 50±5mm
  • Template: 360mm square plate (280mm center hole), thickness 6.4mm
  • Total wear head weight: 2270g ± 20g; shaft sleeve 12.7mm ± 1mm
  • Rubber tube: Length 127mm, ID 19mm, wall thickness 6.4mm (Hardness 60-70HA)
  • Grinding head speed: Revolution 61 rpm / Rotation 140 rpm
  • Digital time counter: Adjustable 0-99 hours 99 minutes
  • Scraper: Rubber scraper, length ≥ 300mm
System II
Emulsified Asphalt Sweeping Tester
  • Wear disc size: Ø320±1mm, depth 50±1mm
  • Template: 360mm square plate (280mm center hole), thickness 13mm
  • Total wear head weight: 615g ± 15g; sleeve 16mm ± 4mm
  • Rubber tube: Length 127mm, ID 19mm, wall thickness 5.7mm (Hardness 60-70HA)
  • Grinding head speed: Revolution 61 rpm / Rotation 140 rpm
  • Digital time counter: Adjustable 0-99 hours 99 minutes
  • Scraper: Rubber scraper, length ≥ 300mm
Test Operation Steps
Step 1: Preparation

Prepare aggregates and fillers as required. Weigh 800g of the mixture and mix thoroughly in a pot. Add water and a quantitative amount of emulsified asphalt. Spread the oil felt disc flat on an enamel plate and place the circular template on top. Pour the mixture into the hole, scrape it flat, and remove the template. Place the sample in a 60℃ oven until it reaches a constant weight.

Step 2: Test Execution

Cool the specimen to room temperature and weigh it. Submerge the specimen and oil felt in a 25℃ water bath for insulation. After insulation, place the specimen in the sample tray and add water until completely immersed. Start the instrument for 5 minutes of grinding. After completion, rinse off debris, and dry the specimen in a 60℃ oven to constant weight. Cool and perform the final weighing.

Frequently Asked Questions
Q: What is the primary purpose of the Wet Wheel Abrasion Test?
A: It is used to simulate road surface wear under vehicle loads and evaluate the wear resistance of emulsified asphalt slurry seal mixtures.
Q: How long does the grinding process take during the test?
A: The standard test procedure requires the grinding head to rotate and revolve for exactly 5 minutes.
Q: What are the rotation and revolution speeds of the grinding head?
A: The instrument operates at a revolution speed of 61 rpm and a rotation speed of 140 rpm.
Q: At what temperature should the specimens be dried to reach constant weight?
A: Both before and after the wear test, the specimens should be placed in an oven at 60℃.
Q: How is the wear resistance of the mixture calculated?
A: It is evaluated by calculating the mass difference of the specimen before and after the wear process, expressed in g/m².
Q: Is a water bath necessary for the test pieces?
A: Yes, before grinding, the test piece and oil felt must be kept in a 25℃ water bath for proper insulation.

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