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.
