Product Use

      Used to determine the deformation performance of concrete specimens under long-term constant axial pressure.

Execution Standard

"Standard for Test Methods of Long-Term Performance and Durability of Ordinary Concrete" GB/T50082-2009.

Technical Parameters

1. Maximum test force: 500kN;

2. Measurement range: 0～500kN;

3. Pressure relative error: ±1%;

4. ※Displacement sensor measurement error: ±1um, resolution: 0.1um

5. Spring specifications: spring height: 300mm;

6. Spring compression stroke: greater than 20mm;

7. Lead screw diameter: 65mm;

8. Lead screw net spacing: 335mm;

9. Pressure plate thickness: 40mm;

10. ※Specimen operation net distance: 1150mm;

11. Test block size: 100×100×400 mm or 150×150×600 mm;

12. Power supply: frequency 50Hz; oil pump rated voltage AC380V, controller rated voltage AC220V;

13. Pressure plate flatness deviation should not exceed 0.1 mm/100 mm;

14. The overall structure is quenched, with high strength and low stress relaxation.

Product Features

1. Fully automatic true color touch control system, real-time display of specimen status and test environment temperature and humidity;

2. Pressure plate is quenched, with stable performance and low stress deformation;

3. Uses high-quality high-iron springs, resistant to moisture and corrosion, with a service life of over ten years;

4. Comes with self-developed dedicated non-bonding displacement measurement auxiliary device, more convenient and faster;

5. Users can simultaneously test multiple specimens per machine based on specimen size, improving equipment utilization.