Standards: IS 4434-1967
Specification: The apparatus is designed for conducting in situ vane shear test from bottom of a bore hole in saturated cohesive deposits for determining their in place shearing resistance. The equipment consists of a torque applicator assembly mounted on a base, a gear wheel, which is marked in degrees, holds a torque ring and is geared to a crank, the torque ring is a split ring and deforms as torque is applied and the deformation is indicated by a dial gauge. A calibration chart to convert dial gauge readings to torque force in kgs/cm2 is supplied. A pointer is provided.
For registering the rotations of the vane, a detachable stand is provided to anchor the instrument an attachment to securely hold the string of rods is provided the equipments comprises of the following :
Torque applicator assembly capacity 2000kg/cm2 with split proving ring and dial gauge 0.002 x 5mm complete with stand.
|Vane ( with vane rod ) 37.5mm dia x 75mm high||1 no.|
|Vane ( with vane rod ) 50.0mm dia x 100mm high||1 no.|
|Torque rod ( square cross section) 0.6mts long||1 no.|
|Rods quick couplind type, 1 mtr. long||1 no.|
|Rods quick coupling type, 1 ½ mtr. long||1 no.|
|Dummy rod, corresponding to 37.5mm dia vane||1 no.|
|Dummy rod , corresponding to 50.0mm dia vane||1 no.|
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