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DIRECT SHEAR (MOTORISED SINGLE SPEED )
Electrically operated to give a single constant rate of stain of 1.25mm/min. Suitable for 230v A.C. Weight
For determination of the direct shear strength of soils on specimen size 60mm x 60mm x 25mm.
Specification:
The apparatus comprises of the following.
Loading Unit :
Supplied with load yoke with direct and lever system for applying load. Normal stress capacity 8kg/sq.cm. load is applied either directly or through a counter balanced detachable lever. Provision is made for the load to be applied either through a steel ball recessed in the loading pad or direct through a boss on the pre collaborated loading yoke. The loading unit is provided with V strips and roller strips for frictionless movement of shear box housing.
Shear Box Assembly:
Comprising Direct Shear box in two halves for a square specimen size 60 x 60 x 25mm one pair of plain gripper plates, one pair of perforated gripper plates, one pair of porous stones, one top loading pad. Shear box housing: Accommodates the Direct shear Box assembly. Complete with two ball roller strips.
Specimen Cutter:
For cutting 60 x 60 x 25mm specimen form larger samples. Set of weights to give a normal stress of 3kg/sq.cm. through lever
Essential Accessories :
High sensitivity compression proving ring cap 2kN (RTC tested), One dial gauge 0.01 mm x 25mm
Spares :
Porous stone for 60mm x 60mm size sample available in pairs.
DIRECT SHEAR (MOTORISED TWELVE SPEED )
Same as above to but to give the following 12 rates or strains 1.25, 0.625, 0.25, 0.125, 0.05, 0.025, 0.01, 0.002, 0.005, 0.001, 0.0004 & 0.0002 mm/min. The apparatus is suitable for operation on 230 volts single phase AC supply