Materiaaltesten Fundering Direct and Residual Shear Testing Machine AUTOSHEAR
The Autoshear is an automatic machine for direct/residual shear testing. It incorporates a high-resolution stepper motor fitted with a high precision load transfer mechanism.
Via the large 6" touch screen colour display the user can start, pause and stop the test, select the data-recording mode, view the readings and the diagrams during the test execution and carry out the transducers calibration (load cell and two displacement transducers).
The axial transmission of the horizontal force adopts a straight connection through shear box, shaft and load cell. This design avoids the load measurement inaccuracies occurring with the widely used "swan neck" basic design.
A high quality techno-polymeric material has been adopted for the carriage of the shear box, offering excellent resistance to corrosion, wear and tear and to the chemicals often mixed with the soil specimens.
Furthermore, this polymeric carriage is lightweight and easy to clean.
Vertical load is applied directly to the specimen via a loading yoke and a weights holding arm which amplifies 10 times the applied value.
Load cell and displacement transducers, weight and shear box assembly shall be ordered separately (see accessories and related products)
Load ring and dial gauge are also suitable for manual recording.
Standard complete configuration is composed by:
ASTM D3080‰AASHTO T236‰BS 1377:7‰EN 17892-10
27-WF0215/B: Shear box for square specimen 60x60mm
27-WF0216/B: Shear box for square specimen 100x100mm
27-WF0219/B: Shear box for 63.5mm dia samples
27-WF0222/B: Shear box assembly for 100mm diameter sample
30-WF6207: Linear potentiometric transducer, 10mm travel, with 6 pin Lumberg connector complete with mounting block:
30-WF6208: Linear potentiometric transducer, 25mm travel, with 6 pin Lumberg connector complete with mounting block
30-WF6016/T2: Direct and residual Shear Geo-Analysis for MS EXCEL Template according to BS 1377:7
30-WF6016/T9: Direct and residual shear Geo-Analysis template conforming to ASTM D3080
27-WF0377/ST: 5 kN load cell, complete with adaptors for shear machine 27-WF20D60 and WF21A60.
27-WF0230/C3: Set of slotted steelweights tot.37.5kg: 2x0.250kg;2x0.500kg; 2x1kg; 3x2kg; 3x4kg; 2x8kg.
27-WF0230/C4: Additional set of slotted steel weights: 2x1kg; 1x2kg; 3x10kg.
27-WF0218/B: Shear box for 60mm dia samples
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