1. One dimensional Consolidation testing of unsaturated soil (K0 conditions) 2. Moisture Absorption and Removal SWCC

Unsaturated Oedometer

Model: Fully-automatic Unsaturated Pneumatic Oedometer and Fully-automatic Stress/ Strain Controlled Unsaturated Oedometer

Main features:

1.      One dimensional Consolidation testing of unsaturated soil (K0 conditions)

2.      Moisture Absorption and Removal SWCC under different stress

3.      Measuring axial deformation, volume change and moisture content

4.      Automatic load of pore air pressure and axial stress

5.      Soil suction measured via axis parallel translation technique

6.      Organic glass structure, easy to check test process

Specifications:

1)     Suction control up to 1000 kPa or 1500 kPa

2)     Microprocessor controlled pore air pressure: 0~1000 kPa; accuracy: 0.1%F.S; resolution: 1 kPa

3)     Accurate pressure controlling system: max. axial force, 10 kN; accuracy: 0.3%F.S

4)     Automatic measuring of volume change, absolute accuracy less than 0.01ml

5)     Axial deformation measured by dial gauge, ranges from 0 to 12.7 mm, with absolute accuracy 0.001mm

6)     20 membrane keypad, used to control suction and axial stress

7)     240*128 pixel display

8)     TKA software, control suction and axial stress automatically, and plot SWCC

9)     Chamber: 2 MPa

Main configurations:

1.      High-air-entry porous disk, 15 bar

2.      2 MPa pressure chamber, made of organic glass, one set

3.      Microprocessor controlled pressure controller, built-in five channel acquisition module, one set

4.      Accurate pressure controlling system, one set

5.      Displacement transducer measuring system, one set

6.      SWCC control and processing software

7.      10 kN frame, one set