This pneumatic consolidation apparatus is used to test the soil compressive strength in full-automatic mode. It’s comprised of consolidation main machine, controller, multi-way communication converter and DAQ system. It can perform slow and fast consolidation test, it’s an advanced newly developed soil testing instrument.
| Vertical load | 0 ~4.8KN (0 ~ 1600kPa) |
| Sample area | 30 cm 2 and 50 cm 2 |
| Load accuracy | 0 ~ 100kPa error ≤± 1.0 kPa/100 ～ 1600kPa relative error ≤± 1.0% |
| Air pressure control range | 0~0.9MPa; Loading time:<1s |
| Pressure sensor | 0MPa-1.0MPa; Sensitivity: ≤ 1 kPa, zero point can be adjusted at will |
| Test channel | 1~16 |
| Material | the duplex host is made of all steel by spraying, and the rebate frame is made of stainless steel, which is corrosion resistant |
| Consolidation vessels | 16 sets (stainless steel is corrosion-resistant and watertight, and the vessel can be disassembled flexibly without being affected by the sensor) |
| Temperature control accuracy | average temperature difference ± 1 ℃, maximum deviation ± 2 ℃ |
| Overall dimension of oedometer | 430mm × 290mm × 180mm |
| External dimension of control cabinet | 350mm × 300mm × 170mm |
| Weight of oedometer | 28kg |
| Weight of control cabinet | 5.2kg |
