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Direct Shear Apparatus
 
(Motorised Single &  Twelve Speeds)
IS: 2720 (Part-VIII), ASTM D 3080.

with dial gauge and proving ring Dial gauge: 0.01 x 25mm, Proving Ring 2KN/2.5KN

12 rates or strains. 1.25, 0.625, 0.25, 0.125, 0.01, 0.002, 0.005, 0.0001, 0.0004 AND 0.0002 mm /min. The apparatus is suitable for operation on 230Volts single phase A.C. Supply.

For determinant 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 forms larger samples. Set of weights to give a normal stress of 3kg/sq.cm. Through levger as follows.

To give Kg/cm.sq.     Qty.

0.05                           4 Nos.
0.1                             1 Nos.
0.2                             1 Nos.
0.5                             3 Nos.
1.0                             1 Nos