Application Summary
The triaxial shear testing machine for coarse-grained soil complies with the national standard GB/T50123-2019 of the People's Republic of China, the DL/T5356-2006 Test Code for Coarse grained Soil in Hydropower and Water Resources Engineering of the Ministry of Electric Power of the People's Republic of China, and the group standard T/CHES29-2019 Test Code for Coarse grained Soil. It adopts the stress controlled push method and is suitable for triaxial shear testing of coarse-grained soil itself, weak contact surfaces in coarse-grained soil, and contact surfaces between concrete and foundation soil.
Technaical Parameters
1. Test piece size: φ 300 × 600mm
2. Load frame form: Four column
3. Maximum axial load: 1500KN
4. Maximum axial travel: 280mm
5. Axial deformation rate: 0.01-50mm/min
6. Axial working mechanism: servo motor mechanical transmission (without hydraulic pressure)
7. Surrounding pressure: 0-3.0MPa (servo motor mechanical transmission to ensure stable application of water pressure
8. Pore pressure: 0.1-3MPa
9. Counter pressure: 0-3MPa
10. Voltage stabilization error: ± 1% F.S
11. Displacement sensor: range 0-150mm (resolution0.01mm)
12. Pressure sensor range: 0-1500KN (resolution:0.01kN)
13. Volume of body variable tube: 3200ml (body variable resolution: 0.2ml)
14. Vacuum negative pressure: 0-100Kpa
15. Voltage supply: 220V 50HZ, power 3.6KW
16. Host machine size: length, width, and height 1150 × 1050 × 2800mm
17.Control cabinet: length, width, height 1260 × 850 × 1850mm)
18. Total weight of the host machine: 5T