|Direct Shear Apparatus (Motorised Twelve Speed) :
Direct Shear Apparatus (Motorised Twelve Speed)
Supplied with load yoke with direct and lever system for applying
load. Normal stress capacity 8 kg/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 calibrated 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 of 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/sa.cm. Through larger as following :
To give kg/cm. 0.05,Qty. 4 nos.
To give kg/cm. 0.1,Qty. 1 no.
To give kg/cm. 0.2,Qty. 1 no.
To give kg/cm. 0.5,Qty. 3 nos.
To give kg/cm. 1.0,Qty. 1 no.
Complete set as above but without proving ring.
Essential Accessories :
High sensitivity compression proving ring. Cap 200kg. One
consolidation dial gauge 0.01mm x 25mm and one strain dial gauge 0.01mm x
Optional Extras :
2 Additional set of weights to give a normal stress of 5 kg/cm . Soil sampler for 60mm x 60mm specimen and test forms pad of 50.
SPARES : Porous stone for 60mm x 60mm size sample available in pairs.
Unit is electrically operated to give the following 12 rates or strains.
1.25, 0.625, 0.25, 0.125, 0.05, 0.025, 0.01, 0.005, 0.002, 0.001, 0.004
and 0.0002 mm/min. The apparatus is suitable for operation on 230 Volts
Single Phase A.C. Supply.