【Scope of application】
It is used to determine the creep performance of various geosynthetics under the experimental conditions of 30℃, 40℃ and 50℃ under constant load. The PP material cell length is 450mm, the PE material cell length is 320mm, and the maximum tensile strength is 220KN/m. At least two cells are tested.
This machine adopts weight loading and has a digital display function for adding weights, which will not affect the test in the case of power failure. This machine has complete measurement and display functions such as load weight force value display, permanent deformation display, loading time display, and test machine working status prompt.
【Standards compliant】
GB/T11546.1-2008, Q/CR549.2-2016, QB/T2854-2007
【technical parameter】
1. Test force range: 0-12KN/2, test force accuracy: indication error ≤±0.5%
2. Temperature control accuracy of the temperature control box: 30℃, 40℃, 50℃ ±2℃; to ensure that the temperature difference of any point measured in the temperature control box is within ±2 degrees
3. Total weight of weights: 500kG (four samples)
4. Leverage ratio: 1:5
5. Lever offset (adjustment range): ±1mm
6. Deformation measurement range: 0-500mm
7. Deformation measurement accuracy: ±0.5%
8. Extensometer gauge length: 200mm
9. The stroke of the pull-down rod: 400mm
10. The moving speed of the pull-down rod is slow (automatic leveling): 2.5mm/min
11. The moving speed of the pull-down rod (fast): 200mm/min
12. Test space: 0-1100mm
13. Servo motor power: 0.75kW*4
14. Power supply voltage: 220V 50Hz
15. External dimensions of the host: 1750×2750×2750 (length×width×height) mm
16. The inner size of the temperature control box: 500×1050×1500 (D×W×H)mm
17. Host weight: about 4000kg
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