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Operating Principle and Maintenance Methods for Low-Temperature Asphalt Extensometer
The low-temperature asphalt elongation tester mainly consists of a mechanical tensile device, a temperature control unit, and an LCD display section.
1. The mechanical tensile device is driven by a low-speed motor and, via transmission gears and racks in the gearbox, moves from one end to the other. The transmission mechanism is also equipped with a variable-speed device, enabling two different tensile speeds: 50 mm/min and 10 mm/min.
2020-05-11
The compaction hammer comes in two types: heavy-duty and light-duty. When performing light-duty compaction, insert the small hammer core into the hammer cylinder and tighten it securely. For heavy-duty compaction, insert the large hammer core into the hammer cylinder and tighten it securely, while also verifying that the drop height of the hammer is correct.
2020-05-08
A Brief Analysis of the Composition, Installation, and Usage of the Asphalt Extensometer
The asphalt ductility tester places an asphalt specimen of a specific shape and size into a water medium maintained at a constant temperature, then stretches it at a constant speed. The length of the specimen measured when it breaks is referred to as the asphalt ductility, with the unit being centimeters.
2020-05-06
How should the asphalt ductility tester be operated correctly?
The asphalt ductility tester is suitable for measuring the ductility of asphalt materials of various specifications and models, as well as the residual materials left after distilling liquid asphalt and the evaporative residues from asphalt emulsions. It can automatically calculate and display the average ductility value of three specimens, with digital temperature display.
2020-04-28
A Brief Discussion on the Overall Structural Design of the Asphalt Softening Point Tester
The asphalt softening point tester is a new-generation instrument developed with advanced digital display displacement sensors and microprocessors, designed to measure the penetration index of asphalt. It features integrated control over needle penetration depth, heating temperature, and test duration, boasting a high degree of automation, ease of operation, and improved testing accuracy.
2020-04-26