Cement Concrete

JMT - 633
CONSOLIDATION APPARATUS

Consists of 3 consolidation test assemblies mounted on a single frame. Complete with 3 sets of consolidometer cell assembly for 60 mm dia samples and three sets of weights each giving 10 kg/sq.cm. on each sample.

JMT - 634
CONSOLIDATION APPARATUS
(SIX GANG MODEL)
Same as above but six units mounted on a single frame.
Note : Electronic Consolidation Apparatus can also be supplied. In place of a dial gauge, a very sensitivity LVDT transducer with a digital displacement meter is provided. Suitable for operation on 230 volt A.C.

JMT - 635
DIRECT SHEAR APPARATUS (HAND OPERATED)
IS : 2720 (Part – VIII), ASTM D-3080.
For determinant the direct shear strength of soils on specimen size 60 mm x 60 m x 25 mm.
Specification :- The apparatus comprises of the following :
Loading Unit : 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 25 mm 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 25 mm specimen form larger samples. Set of weights to give a normal stress of 3 kg/sq.cm. through lever 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.

Complete set as above but without proving ring.
Nett weight 140 kg.
Essential Accessories : High sensitivity compression proving ring cap 200 kg. One consolidation dial gauge 0.01 mm x 25 mm and one strain diala gauge 0.01 mm x 25 mm and one strain dial gauge 0.01 mm x 25mm.
Optional extras : Additional set of weights to give a normal stress of 5 kg/cm2. Soil Sampler for 60 mm x 60 mm specimen and test forms pad of 50.
Spares: Porous stone for 60 mm x 60 mm size sample available in pairs..
 

JMT - 636
DIRECT SHEAR
(MOTORISED SINGLE SPEED)
Same as above but electrically operated to give a single constant rate of stain of 1.25 mm/min. Suitable for 230 V A.C. Weight 175 kg. approx.

JMT - 637
DIRECT SHEAR APPARATUS
(MOTORISED SIX SPEEDS)
Same as above but having 6 rates of strain 1.25, 0.25, 0.05, 0.01, 0.002 & 0.0004 mm/min. Works on 230 V AC. Nett wt. 185 kg..

JMT - 638
DIRECT SHEAR APPARATUS
(MOTORISED 12 SPEEDS)
Same as above but 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, 0.0004 and 0.0002 mm/min.
The apparatus is suitable for operation on 230 volts single phase A.C. supply.

SAMPLING AUGERS

Augers are used to collect distrubed soil samples at reasonal depths for laboratory tests. Augers are available in two types and each in different size. Black type (posthole type) and Helical type (Screw type). Each auger outfit consists one each of Auger head, one meter long rod. Tee piece and hangle. Depths of excavating can be increased by using additional extension rods.

SAMPLING TUBES

JMT - 639
POSTHOLE TYPE : (a) 75 mm, (b) 100 mm & (c) 150 mm dia..
 

JMT - 640
SCREW TYPE : (a) 25 mm, (b) 38 mm, (c) 50 mm, (d) 75 mm, (e) 100 mm, (f) 150 mm, (g) 200 mm, (h) 250 mm & (I) 300 mm dia.
Extras : Extension rod 1 meter length with threadings at both ends and couplings. Set of two spanners and Tee piece.


For collecting undistrubed samples of 38 mm dia for Triaxial Shear strength and Unconfined Compressive strength either straight from the field or from a sample of larger diameter. The wall thickness is maintained approximately 1.6 mm with an area ratio approximately 17 per cent. Both relieved and unrelieved sampling tubes are available. In the relieved type of tube, the internal diameter is relieved by about 0.5 mm (inside clearance 2%) beyond approx. 19 mm length from the cutting edge of the tube. This is most suitable for highly cohesive soils. In the unrelieved type, the internal diameter is uniform through out. This type is most suitable for soils of low cohesion. These 38 mm dia tubes are available in different lengths..

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