Pnematic shear machine

Pnematic shear machine Description and Specifications for Lab Tenders

Pnematic shear machine  Use: Measuring direct/residual shear strength of soils.

Standard:

·   ASTM D-3080; AASHTO T-236; BS 1377

Specifications:

·  A rolling diaphragm piston that accurately applies light vertical loads of 0.018-0.44kN and the large diameter piston loading up to 6.67kN.

·  Loading precision   ±0.25%

·  Strain rates to ±1% from 0.0025-7.62mm/min (0.0001-0.3in/min),

·  Digital thumbwheels.

·  Total shear capacity is 6.67kN.

·   63.5mm diameter stainless steel shear ring,

·  Water chamber constructed of Teflon coated anodized, aluminium for corrosion resistance.

Accessories (same standards as above).

·  Variable sizes of shear rings, shear boxes,

·  Cutting rings

·  Extrusion tools

·  Porous stones

·  Drainage plates

Shear box assemblies

 Standard:

ASTM D-3080;AASHTO T-236 and

Specifications:

·  Designed to fit into the carriage of the Direct/Residual Shear Machines.

·  Supplied complete with two porous stones, one retaining stone and a loading pad.

·  All assemblies can be used for quick shear tests or drained/residual shear test applications.

Shear box sizes

                        60 x 60 mm Square Shear Box Assembly.

                     100 x 100 mm Square Shear Box Assembly.

                     2.5" Diameter Shear Box Assembly.

                     2.42" Diameter Shear Box Assembly.

·  60 x 60 mm Square Specimen Cutter.

·  60 x 60 mm Square Specimen Extrusion Tool.

·  100 x 100 mm Square Specimen Cutter.

·  100 x 100 mm Square Specimen Extrusion Tool.

·  2.5" Diameter Specimen Cutter.

·  2.5" Diameter Specimen Extrusion Tool.

Replacement Parts

·  60 x 60 mm Square Porous Stone.

·  100 x 100 mm Square Porous Stone.

·  2.5" Diameter Porous Stone.