Simple Shear Apparatus

This stand alone electromechanical test apparatus is a robust construction device including of high-quality mechanic and electronic components which produces repeatable test results and the excellent quality makes it suitable for research and also usual test applications.

The device gives the possibility to perform tests on different sample sizes up to 100mm.It applies vertical and horizontal independent loads by electromechanical actuators which enables each axis to be controlled in displacement (strain or velocity) mode as well as load control.

The main advantage of device is an accurate testing of soil parameters without tilting and friction between shear test components. The high quality and low friction double linear guides used to ensure strength and alignment without tilting in normal and shear directions.

The normal stress and the shear stress are closed loop controlled by an electromechanical precision drive system. GEOsys software in combination with this unit performs all your tests automatically and without operator assistance during the test period.

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High stiffness load frame with powder-coate steel housing and 2 columns
Small footprint
Closed loop controlled normal and shear stress
Low friction sample slip rings
Two porewater ports at top and bottom for saturated conditions
Porous discs with different roughness an surface are available i.e. plane, grooves, ridges and embedded pins
2 Load cells to measure and closed loop control of axial and shear load
2 Displacement transducers to measure and closed loop control of axial and shear displacement
High quality and low friction double linear guides used to ensure strength and alignment without tilting in normal and shear directions
Real-time data and graph display
Ethernet Port for fast data transferring to PC
High quality industrial controller with displayer and membrane keys or Touch panel and graphic display for monitoring of measured values and test procedures
Manual control or by software/PC
Compatible to LABVIEW©
Flexible controlling software for nearly unlimited test procedures of all test options
Safety functions to prevent overload and over travel

Load type	Electromechanical
Normal force	10kN / 20kN
Shear force	5kN / 10kN
Speed range	30 - 0.00001 mm/min
Accuracy class	0.1%
Resolution	0.00001 kN
Max. settlement	25mm
Max. Shear displacement	25mm
Computer Interface	Ethernet
Sample Sizes	Ø 50 mm , Ø 50,5mm(20.00 cm²) Ø 60 mm (28.27 cm²) Ø 63 mm (31.2 cm²) Ø 66.8 mm (35.0 cm²) Ø 70 mm Ø 71.4 mm (40 cm ²) Ø 79 mm (50 cm²) Ø 94.9 mm (70 cm²) Ø 100 mm

Bender Element Test Package
Extension package forDirect shear test
Extension package for Oedometer/Consolidation test
Extension package for Triaxial test
Temperature control package for low and high temperatures for Direct Shear

GEOsys is designed for closed-loop controlled static & Dynamic tests for all test applications in material testing, such as stress-controlled, strain-controlled, any kind of waveforms like sine, rectangle, triangle, and predefined waves

It is controlling and data acquisition software and also has different modules to run tests according to ASTM or other standard methods. Depends on the requirement of the customer one or several modules would be delivered with main software, such as: