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  • Triaxial Shear Strength
  • Unconfined Compressive Strength
  • California Bearing Ratio (CBR)
  • Direct / Residual Shear Strength
  • Consolidation
  • Permeability
  • Proctor Compaction / Classification
  • Geosynthetics / Geomembrane Testing
  • Load Frames
  • Load & Displacement Measurement
  • Latex Membranes
  • Porous Stones
  • Aggregates
  • Asphalt
  • Sieve Analysis
  • About Us
  • Contact us
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    • Home /
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    • Direct / Residual Shear Strength /
    • Large Direct Shear Test Machines
    Shear Test Machine
    Large Direct Shear Machine

    Large Direct Shear Test Machines

    Meets Standard(s)
    • ASTM D5321,  
    • ASTM D6243
    Shear Test MachineLarge Direct Shear Machine with Compaction TableCompaction Table with Shear BoxLarge Direct Shear Machine with Compaction Table Positioned to Load Specimen
    Large Direct Shear Machine

    10,000lbf Large Direct Shear Machine (110V / 60Hz)

    2012
    $40,700.00
    Large Direct Shear Machine

    10,000lbf Large Direct Shear Machine (220-240V / 50Hz)

    2012F
    $40,700.00
    Large Direct Shear Machine

    20,000lbf Large Direct Shear Machine (110V / 60Hz)

    2012-HP
    $46,000.00
    Large Direct Shear Machine

    20,000lbf Large Direct Shear Machine (220-240V / 50Hz)

    2012-HPF
    $46,000.00
    • Description
    • Specifications
    • Questions?

    Large Direct Shear Machines test the shear resistance between a geosynthetic or geosynthetic clay liner (GCL) and the contact surface of a large soil sample according to test methods in ASTM D5321 and ASTM D6243. The test sample is divided horizontally and mounted in a two-piece shear box assembly. Vertical confining force is applied to the lower half.

    Using a pneumatic system, the horizontal shear loads are applied to 12in (304.8mm) square samples by gear-driven pistons. Two smaller pistons apply lighter loads up to 1,000lbf (4.5kN), and either one or two larger pistons (depending on the model selected) apply loads up to 10,000lbf (45kN) or 20,000lbf (89kN).

    Horizontal shear rate from 0.002—0.2in/min (0.0508—5.08mm/min) is easily set with digital thumbwheels on the control panel. Limit switches control the home position and limit total horizontal displacement to 4in (102mm). Vertical loads are controlled through a precision regulator, using the included calibration chart and are accurate to ±0.25%. Loading and unloading of the specimen and shear box assembly is simplified using the compaction table. The convenient table rollers allow the loaded shear box assembly to slide easily into and out of the chamber. Sample compaction, geotextile placement, and specimen preparation are performed on the table.

    A load cell attached to the water chamber measures shear load, while linear variable displacement transducers measure consolidation and shear displacement. A four channel readout displays vertical load, horizontal shear load, horizontal displacement, and vertical displacement. Data can be exported to a computer via a mini USB and downloaded onto a spreadsheet program such as Excel.

    The rugged design of the Large Direct Shear Machine stands up to the most stringent laboratory environments. All steel parts are powder coated and all aluminum parts are anodized to resist corrosion. Locking casters on the compaction table allow it to be easily relocated.

    2012 / 2012F 10,000lbf Large Direct Shear Machine comes with two large pistons that apply shear loads up to 10,000lbf (45kN).

    2012-HP / 2012-HPF 20,000lbf Large Direct Shear Machine has two large pistons that can apply loads up to 20,000lbf (90kN).

    Features:

    • Tests shear resistance of large, 12in (304.8mm) square samples
    • Pneumatic loading system

    Included Items:

    • 10,000lbf Large Direct Shear Machine
      • 10,000lbf Load Cell
    • 20,000lbf Large Direct Shear Machine
      • 20,000lbf Load Cell
    • Four Channel Data Readout
    • Two 1in Linear Variable Displacement Transducers
    • Drainage plates
    • Compaction table
    • Water chamber
    • Calibration chart

    Accessories:

    • 2012-80 12 x 12in Bed of Screws used to mount geosynthetic liners for testing
    • 2012-81 12 x 16in Bed of Screws for mounting geosynthetic liners on load platform
    • 2012-76 6in Top Shear Box Adapter is used to accommodate 6in (152.4mm) square samples
    • 2012-78 8in Top Shear Box Adapter is used to accommodate 8in (203.2mm) square samples
    Load Capacity

    Model 2012 / 2012F: 10,000lbf (45kN)

    Model 2012-HP / 2012-HPF: 20,000lbf (90kN)

    Compressed Air Required Requires 120psi (827kPa)
    Strain Rate 0.002—0.2in/min (0.0508—5.08mm/min)
    Electrical

    Model 2012: 110V / 60Hz

    Model 2012F: 220-240V / 50Hz

    Model 2012-HP: 110V / 60Hz

    Model 2012-HPF: 220-240V / 50Hz

    Net Weight 840lb (381kg)
    Product Dimensions 43 x 23 x 40in (1,090 x 584 x 1,020mm) WxDxH
    Estimated Shipping Weight

    2012: 1125.0lb (510.30kg)

    2012F: 1150.0lb (521.64kg)

    2012-HP: 1150.0lb (521.64kg)

    2012-HPF: 1150.0lb (521.64kg)

    Please enter your questions/comments and contact information below. A Karol-Warner customer service representative will respond during business hours (8am - 5pm EST, Monday through Friday).

    Accessories
    12 x 12in Bed of Screws

    12 x 12in Bed of Screws

    $380.00
    12 x 16in Bed of Screws

    12 x 16in Bed of Screws

    $435.00
    6in Top Shear Box Adapter

    6in Top Shear Box Adapter

    $1,052.00
    8in Top Shear Box Adapter

    8in Top Shear Box Adapter

    $1,185.00
     
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