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Accro-Tech Scientific Industries
Accro-Tech Scientific Industries
Soil Test Apparatus Shear Test Apparatus Direct Shear Test Apparatus Aggregate Impact Value Test Apparatus
Aggregate Impact Value Test Apparatus Aggregate Impact Value Test Apparatus

Soil Test Apparatus
Compression Test Apparatus

Shear Test Apparatus
Aggregate Impact Value Test Apparatus
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Soil Test Apparatus

Driven by high end engineering we provide sophisticated Soil Test Apparatus for soil testing. Our Test Apparatus are the benchmark of ultimate machines that can do the tasks at ease and with efficiencies. Our apparatus for soil testing are easy to install and operate and can finish the assigned tasks at the minimal alloted time. Our soil test apparatus consume lesser energy and includes Direct Shear Test Apparatus, Unconfined Compression Test Apparatus and Lab CBR Test Apparatus.

Aggregate Impact Value Test Apparatus

Direct Shear Test Apparatus
NAME : Direct Shear Test Apparatus
QUALITY STANDARD : As Per IS 2720 (P-XIII)

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.

Specification:
  • Max. Shear Force: 1.8kn
  • Measuring Range of Vertical Deformation: 0~10mm
  • Measuring Accuracy: +/-1%

Cat No. & Name 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

Aggregate Impact Value Test Apparatus


Unconfined Compression Test Apparatus
Cat No : AT-050
NAME : Unconfined Compression Test Apparatus
QUALITY STANDARD : As Per IS 2720 (P-X)

Specification :
The unconfined compression test apparatus for soil includes uniaxial compression test in which the test specimen is provided with no lateral support while undergoing vertical compression. The test measures the unconfined compression strength of a cylinder of cohesive or semi cohesive soil and indirectly shearing strength. The shearing strength of the soil is generally taken to be one half of the unconfined compression strength. The unconfined compression test apparatus is used normally on a undisturbed sample with its natural moisture content. It may also be performed on remolded samples to evaluate the consequences of disturbances and remolding.

Unconfined Compression Test Apparatus is normally useful in soil mechanics laboratories. The unconfined compression test is the simplest and quickest method for evaluation of the shear strength of cohesive soil in the laboratory or in the field. The results from compression test apparatus are widely used in ascertaining the relative consistency and sensitivity for estimating the ultimate bearing capacity. The apparatus consists of following:

Specification :

  • Load Frame 50kN capacity, Electrically cum Manually Operated with 3 rates of strains 1.25mm, 1.50mm, 2.50mm/min - 1No.
  • Split Mould 38mm dia - 1No.
  • Set of Conning Tools - 1 Set
  • Set of Conning Plates with Springs - 1 Set
  • Proving Ring, 2.5kN capacity fitted with dial gauge with set of loading pads and calibration certificate by NCCBM (Govt Testing Lab) in a nice wooden carrying case.
  • Dial gauge 0.01mm x 25mm travel
The Machine is fitted with ¼ HP Motor. Suitable for Operation on 220V, Single Phase, 50Hz, AC Supply.

Aggregate Impact Value Test Apparatus


Lab CBR Test Apparatus
Cat No : AT-068 & AT-069
NAME : Lab CBR Test Apparatus
QUALITY STANDARD : As Per IS 2720 (P-XVI)

The Lab CBR Test Apparatus used to determine the relative bearing ratio and expansion characteristics under known surcharge weights of the base, sub-base and sub-grade soils for the design of roads, pavements and runways.

Specification:
  • Capacity: 50 KN (5000 kg)
  • Strain rate: 1.25 mm per minutes
  • Power: 220 V, Single phase AC supply
  • CBR Mould with collar & base plate
  • Penetration piston, 50 mm die with bracket
  • Perforated brass swell plate with stem & locknut
  • Annular & slotted metal weight 2.5 kg
  • Aluminum tripod stand
  • Rammer 50 mm internal die 2.6 kg & 4.89 kg
  • Proving ring 10 KN capacity with calibration certificates in teak wooden carrying case
  • Dial gauge 0.01 mm * 25 mm travel

Cat No. & Name Operation Maximum Load (In kN) Speeds (mm/min) Motor Elec. Supply
AT-068-1: CBR Load Frame Manually Operated 50kN (5 Tons) ------- ------- -------
AT-069-1: CBR Load Frame Electrically cum Manually Operated 50kN (5 Tons) 1.25 ¼ HP, 1440RPM 220V, Single Phase, 50Hz AC Supply
AT-069-1.1: CBR Load Frame Electrically cum Manually Operated 50kN (5 Tons) 2.5, 1.5, 1.25 ¼ HP, 1440RPM 220V, Single Phase, 50Hz AC Supply

Optional Accessories for CBR Test Apparatus

Cat No. & Name Description
AT-069-2 (a): CBR Mould CBR mould 150mm dia x 175mm ht complete with collar, and base plate. Made of Mild Steel.
AT-069-2 (b): CBR Mould CBR mould 150mm dia x 175mm ht complete with collar, and base plate. Made of Gun Metal.
AT-069-2 (c): Cutting Collar Cutting Collar for CBR Mould. Made of Mild Steel.
AT-069-3: Tripod Stand Aluminium Swell Tripod Stand for holding dial gauge on the collar of the CBR mould.
AT-069-4: Penetration Piston CBR Penetration Piston 50mm dia with bracket and adaptor for holding the dial gauge.
AT-069-5: Surcharge Weight Surcharge Weight 147mm dia with central hole of 2.5kg.
AT-069-6: Slotted Weight Slotted Weight 147mm dia of 2.5kg.
AT-069-11: Surcharge Weight Surcharge Weight 147mm dia with central hole of 5kg.
AT-069-12: Slotted Weight Slotted Weight 147mm dia of 5kg.
AT-069-7: Spacer Disc Circular Spacer Disc 148mm dia x 47mm ht with removable handle.
AT-069-8: Perforated Plate Perforated Brass Swell Plate 148mm dia with adjustable cap handle and a lock nut.
AT-078 (d): Proving Ring Proving Ring, 10kN capacity fitted with dial gauge with set of loading pads and calibration certificate by NCCBM (Govt Testing Lab) in a nice wooden carrying case.
AT-078(g): Proving Ring -Same as above- but 30kN capacity
AT-078 (h): Proving Ring -Same as above- but 50kN capacity
AT-292-1: Dial Gauge Dial gauge 0.01mm x 25mm travel.
AT-069-9: Filter Paper Filter Paper for conducting CBR test. Pack of 100 Circles.
AT-094: Soil Sample Extractor Hydraulic Extractor Manually Operated for extracting Soil samples. Supplied complete with 100mm adaptor & 150mm adaptor.

Aggregate Impact Value Test Apparatus




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