Altered soil functions, in particular reduced hydraulic conductivities end impeded aeration, may decrease crop growth and productivity as well as the filtering and buffering capacity of soils. Prevented gas exchange and longer lasting anoxia is soils due to the reduced pore continuity and pore functioning also affects global change processes. In order to evaluate potential risks for irreversible soil deformation, it is necessary to quantify their mechanical stability. A commonly applied method is the determination of the pre-compression stress, commonly under static loading conditioned in oedometer tests. Conducting agriculture scientific research as repeated cyclic/dynamic loadings studies e.g. wheel passes or animal trampling can also be a scope of interest.
The compression test apparatus (art. no. 08.67) measures the impact of vertical stress on an undisturbed soil sample. During the measurement soil water matrix, compression stress and vertical displacement are simultaneously measured. The apparatus is operating computer controlled using multifunctional software for executing measurement protocols and both numerical and graphical visualised data presentation. The samples are taken in a soil sample ring Ø 103 x 100 mm, height 30 mm, contents 235 cc.
Benefits Compression test apparatus
Userfriendly and easy operation
Accurate measurement principles
All in one compression measurements
Sample diameter 100 mm, height 30 mm
Software controlled measurement protocols
Simultaneously operation of up to 8 instruments
Graphical instrument overview and data zoom functions
Calibration functions
Excellent price/quality/performance ratio
Data file export i.e. Excel
Upgradable for dynamic operation
Developed in cooperation with Christian Albrechts University Kiel
Applications
Physic soil deformation
Pre compression for shear tests
Erosion
Environmental research
Basic material research
User groups
Laboratories
Research institutes
Educational institutes
Universities