【Scope of application】

Used for geosynthetic materials in transportation, water conservancy, tunnels, construction engineering and other industries, including geotextiles, composite geotextiles, geogrids, geomembranes and related products for stretching, tearing, bursting, peeling, seaming and other properties Test.

【Related standards】

GB/T15788, GB/T13763, JTG E50-2006, BS6906.1, GB/T16989, GB/T14800, GB/T1040, SL/T235, ASTM D4595, GB/T17640, etc.

【technical parameter】

1. Test method: CRE principle, microcomputer control, dual-screen display, support for online communication

2. Sampling frequency: 2500 times/sec

3. Measuring force range: 100KN

4. Accuracy level: 0.5 level

5. Force test range: 0.2%-100%FS

6. Force measurement accuracy: ±0.02%

7. Power resolution: 1/300000

8. Displacement resolution: 0.0025mm

9. Measuring range: 2%～100%FS

10. Deformation indication error limit: within ±0.5% of indication

11. Stretching speed: 0-500mm/min

12. Speed ​​accuracy: within ±0.5% of the indicated value

13. Test stroke (excluding fixture): 1000mm

14. Effective pillar spacing: 500mm

15. Standard configuration electronic extensometer

16. Data output: equipped with dedicated test software, can be operated online, A4 print test report

17. Power supply: AC220V±10% 50Hz 1.5KW leakage protection switch

18. Weight: 350kg

19. Dimensions: 860×600×1800mm

【Function Description】

Test function

Recommended force value

Parameter Description

Remark

Standard function

1. The tensile strength and elongation of wide strips

10000N

50000N

1. Holder width: 220mm Sample width: 200mm

2. Stretching speed: set by yourself according to the standard

3. Clamping distance: 100mm

Standard

2. Trapezoidal tear

 Shared with wide strip stretch

The test parameters are the same as the wide strip stretch

Standard

3. CBR burst strength and displacement

50000N

1. The diameter of the ejector rod: 50mm The inner diameter of the ring clamp: 150mm

Sample diameter: 230mm

2. Top pressure speed: 60mm/min

Standard

4. Narrow strip tensile strength and elongation

10000N

1. Width of holder: 50mm Width of sample: 60mm

2. Stretching speed: 50mm/min

3. Clamping distance: 100mm

Optional

Optional function

1. Puncture strength

10000N

1. The diameter of the ejector rod: 8mm The inner diameter of the ring clamp: 44.5mm The diameter of the sample: 120mm

2. Top pressure speed: 30mm/min

Optional

2. Strong grip

Shared with wide strip stretch

1. Holder width: 25mm Sample width: 100mm

2. Stretching speed: 100mm/min

3. Clamping distance: 75mm

Optional

3. Creep strength

Shared with wide strip stretch

The test parameters are the same as the wide strip stretch, the applied load is 20%, 40%, and 60% of the tensile strength.

Optional