LBT-1B21 Automatic Asphalt Mixture Rutting Tester (Computer-Controlled Single-Wheel Model)
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Description
Product Introduction:
This instrument is designed and manufactured in accordance with the requirements specified in T0719‑2025, “Wheel Rutting Test for Asphalt Mixtures,” of the People’s Republic of China industry standard JTG 3410‑2025, “Test Procedures for Asphalt and Asphalt Mixtures in Highway Engineering.” It is suitable for determining the high-temperature rutting resistance of asphalt mixtures and can also be used for on-site tests of the high-temperature stability of asphalt mixtures; research‑grade models are capable of performing immersed wheel‑rutting tests.
Product Features:
1. Intelligent: Automatically generates and saves test results; facilitates easy retrieval of historical data and output of test reports.
2. Point-to-point data acquisition: A microcomputer-based measurement and control system is employed to ensure spatial repeatability in the collection of deformation data.
3. High-resolution, high-speed data acquisition: A 16-bit analog-to-digital converter with a sampling rate of 100 kHz is employed.
4. Wide temperature control range, high precision, and excellent stability: Temperature PID control is implemented using PWM modulation.
5. Excellent electromagnetic compatibility and high reliability: Equipped with a soft-start function, ensuring smooth electromechanical start-up and shutdown without mechanical shock or inrush current.
6. Low noise, no lateral rolling: Utilizes high-precision imported optical bars and test wheels in relative motion.
7. Adjustable test wheel ground pressure: Optional test wheels with pressures ranging from 0.5 to 1.3 MPa are available.
8. Convenient, user-friendly design: the test rubber wheel automatically rises and lowers.
9. The detachable water tank design enables submerged rutting tests.
Technical Specifications:
| Parameter Category | Parameter content |
| Displacement detection range | 0~25mm |
| Deformation detection resolution | 0.01mm |
| Deformation detection accuracy | ±0.05mm |
| Temperature control range | 30~80℃ |
| Temperature measurement resolution | 0.1℃ |
| Temperature control accuracy | ±0.3℃ |
| Trial wheel ground pressure | 0.7 MPa ± 0.05 MPa |
| Number of steps | 42 beats/min ± 1 beat/min |
| Specimen height that can be used | 30mm-110mm |
| Deformation Acquisition | All the way |
| Temperature Acquisition | All the way |
| Temperature control | All the way |
| Capture card | A piece |
| Printer | One unit |
| Computer | One unit |
| Application system software | A set |
| Rated power of the power supply | 380V AC, 3.5kW; 220V AC, 500W, 50Hz |
| The main body's external dimensions are approximately | 127×80×130cm |
| Main body weight | 320kg |
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LBT-1B21 Automatic Asphalt Mixture Rutting Tester (Computer-Controlled Single-Wheel Model)
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