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Operating Instructions for the Asphalt Softening Point Tester
Operating Instructions for the Asphalt Softening Point Tester:
Place the metal ring on a glass plate coated with a glycerin-talc separator (glycerin:talc = 2:1). Heat the asphalt (for petroleum asphalt, heat to ≤ the estimated softening point + 90℃; for coal asphalt, heat to ≤ the estimated softening point + 50℃). Then, pour the heated and thoroughly mixed asphalt into the metal ring, slightly higher than the surface of the ring.
2020-09-10
Precautions for the Use and Maintenance of the Asphalt Extensometer
I. Instructions for Using the Asphalt Elongation Tester:
1. Add water to the elongation tester’s water tank so that the water level is at least 35 mm above the top surface of the traction motor’s slide plate.
2. Set the temperature controller to either 15°C or 25°C (as required by the test), and press the “Stir,” “Heat,” or “Cool” switch to bring the water temperature precisely to the set point.
2020-09-02
Maintenance, Care, and Precautions for the Intelligent Tracking Multifunction Electric Compactor
If the intelligent tracking multi-functional electric compactor exhibits abnormal counting during operation, check the magnet on the chain and the proximity switch, and adjust the gap between them to the appropriate position.
2020-08-26
Common Faults and Troubleshooting Methods for Asphalt Extensometers
The common faults and troubleshooting methods for the asphalt ductility tester are as follows:
1. Fault: The leakage protection device trips upon power-on.
Cause: The leakage protection device detects ground current. Since this instrument requires grounding to operate, some units may cause the leakage protection device to trip.
2020-08-18
Uses and Maintenance of the Intelligent Tracking Multi-Function Electric Compactor
The intelligent tracking multi-functional electric compaction tester is primarily used for performing compaction tests on cement-stabilized soils (before cement hydration) and lime-stabilized soils. The compaction process is driven by an electric motor, which not only reduces the labor intensity for researchers but also enhances the efficiency of the testing process.
2020-08-12