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QUALITY STANDARD : As Per IS 2720 (P-XIII)
|Model No||IS 2720 (P-XIII)|
|Maximum Shear Force||1.8 kn|
|Dial Gauges||0.01mm x 25mm travel|
|Measuring Range of Vertical Deformation||0 to 10 mm|
The Direct Shear test apparatus consist of a square or circular box divided into two halves. The specimen, contained in the box, is subjected to a constant normal load while an increasing horizontal force is applied to one of the sections of the shear box. This force causes a shear failure along the juncture between the box sections of this. The shear force and the normal load are measured directly. The rate of strain is adjusted by the speed of the horizontal force applied. The loading unit has V-strips on which the shear box housing rests. The load yoke in these direct shear test apparatus helps counter balance the loading system. The lead screw connected to the shear box housing helps application of shear stress.
Direct Shear Test Apparatus comprises of Direct Shear Box assembly for 60mm x 60mm x 25mm thick specimen, Shear Box Housing, Specimen cutter, Loading Unit with a capacity of 8kg/cm2, set of weights to give normal stress of 3kg/cm2, Proving Ring duly calibrated by Nccbm (Govt) of 2.5kN (250kgf) capacity & 2 (Two) Dial Gauges 0.01mm x 25mm travel. The load yoke with direct and through level system for applying normal load upto 8 kg/cm2 capacity, fixtures for proving ring, brackets for holding consolidation and strain dial gauges are also provided in these direct shear test apparatus.
|Operation||Specimen Size||Speeds (mm/min)||Motor||Elec. Supply|
|AT-043: Direct Shear||Manually Operated||60 x 60 x 25mm||-------||-------||-------|
|AT-044: Direct Shear||Electrically cum Manually Operated||60 x 60 x 25mm||1.25, 0.625, 0.25, 0.125, 0.05, 0.025, 0.01, 0.005, 0.002, 0.001, 0.0004, 0.0002||½ HP, 1440RPM||220V, Single Phase, 50Hz AC Supply|
|AT-045: Direct Shear||Electrically cum Manually Operated||60 x 60 x 25mm||1.25||½ HP, 1440RPM||220V, Single Phase, 50Hz AC Supply|