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  • Triaxial Shear Strength
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  • Triaxial Shear Strength
  • Consolidation
  • Unconfined Compressive Strength
  • Direct Shear Strength
  • Permeability
  • California Bearing Ratio (CBR)
  • Geotextile Testing
  • Proctor Compaction / Classification
  • Soil-Cement
  • Load & Displacement Measurement
  • Load Frames
  • Latex Membranes
  • Porous Stones
  • Data Acquisition Software
  • Sample Preparation
  • Aggregates
  • Asphalt
  • Sieve Analysis
  • About Us
  • Contact us
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    • Home /
    • Soils /
    • Direct Shear Strength /
    • Direct Shear Machines (Dead-Weight)
    Standard Dead-Weight Direct Shear Machine (shown with Shear Box sold separately)
    Standard Dead-Weight Direct Shear Machine (shown with Shear Box sold separately)

    Direct Shear Machines (Dead-Weight)

    • Product ManualProduct Manual, Standard
    • Product ManualProduct Manual, Digital
    Meets Standard(s)
    • AASHTO T 236,  
    • ASTM D3080
    Standard Dead-Weight Direct Shear Machine (shown with Shear Box sold separately)Digital Direct Shear Machine, Dead-Weight  (shown with Shear Box sold separately)
    Standard Direct Shear Machine, Dead-Weight (115V / 50-60Hz)

    Standard Direct Shear Machine, Dead-Weight (115V / 50-60Hz)

    2050
    $7,300.00
    Standard Direct Shear Machine, Dead-Weight (230V / 50-60Hz)

    Standard Direct Shear Machine, Dead-Weight (230V / 50-60Hz)

    2050F
    $7,300.00
    Digital Direct Shear Machine, Dead-Weight (115V / 50-60Hz)

    Digital Direct Shear Machine, Dead-Weight (115V / 50-60Hz)

    2050-D
    $8,900.00
    Digital Direct Shear Machine, Dead-Weight (230V / 50-60Hz)

    Digital Direct Shear Machine, Dead-Weight (230V / 50-60Hz)

    2050-DF
    $8,900.00
    • Description
    • Specifications
    • Questions?

    Dead-Weight Direct Shear Machines determine direct and residual shear strengths of undisturbed or remolded soil specimens. A dead-weight system with a 10:1 beam is used to apply vertical confining loads during shear testing. A stepper motor drive controls the strain rate to ±1% from 0.0001 – 0.3in/min (0.0025 – 7.62mm/min) and is easily adjustable using digital thumbwheel controls. The maximum shear displacement is 0.8in (20.3mm). Vertical load capacity is 1,411lb (640kg) and maximum horizontal shear force is 1,500lbf (6.67kN). Machines with residual shear function can be reversed at the end of a direct shear cycle to measure residual strength, as required in some methods.

    The Shear Box assembly is mounted on a solid 1.25in (32mm) base in a sturdy, self-contained steel cabinet with heavy-duty casters. The included water chamber with drainage port is constructed of Teflon coated, anodized aluminum for corrosion resistance. Direct Shear Boxes, sold separately, are Teflon®-coated anodized aluminum to resist corrosion and are available in a wide range of sizes. At least one weight set is required. Weight sets are purchased separately in a variety of capacities in pounds or kilogram units. These Shear Machines include the 1100-20 Weight Hanger, which can also be ordered separately as a replacement part.

    2050 / 2050F Standard Dead-Weight Direct Shear Machine is equipped with a load cell and digital readout to indicate shear force. Analog dial indicators measure vertical and shear displacement.

    2050-D / 2050-DF Digital Dead-Weight Direct Shear Machine uses a data readout to measure consolidation, shear load, and displacement and is equipped to perform residual shear measurements. This model comes complete with a built-in USB port to transmit data to the user’s PC and two 1in Linear Variable Displacement Transducers. GetData Software is included to plot test progress and data for import to an Excel spreadsheet.

    Features:

    • Strain rate is controlled within 1% with precision stepper motor
    • 10:1 Mechanical Beam system applies vertical confining pressures
    • Sturdy, compact construction leaves a small footprint and withstands harsh laboratory environments
    • Analog or digital models
    • Option to allow data collection through a computer spreadsheet, such as Excel

    Included Items:

    • Standard Dead-Weight Direct Shear Machine
      • Dial Indicator - 0.5 x .0001in (Range x Divisions)
      • Dial Indicator - 1 x 0.001in (Range x Divisions)
    • Digital Dead-Weight Direct Shear Machine
      • Four-Channel Data Readout
      • Two 1in Linear Variable Displacement Transducers
      • GetData Software
    • 1,500lbf Load Cell
    • Weight Hanger

    Accessories:

    • Shear Boxes for direct shear testing of soil specimens in a range of diameters
    • Cutters offer precision trimming of soil samples and are available in diameters compatible with shear boxes
    • Extruders used for intact removal of soil specimens after testing
    • Weight Sets provide progressive coverage within load range when testing and are offered in varying weights
    • 6756 Direct / Residual Shear Data Acquisition Software records specimen information and real-time test data, calculate results, and prepares reports following ASTM and AASHTO requirements
    • 1100-20 Weight Hanger can be ordered as a replacement part
    • 6142 1,500lbf Load Cell to measure compression or tension loads
    • 5102 Dial Indicator - 0.5 x .0001in (Range x Divisions) measures vertical and shear displacement
    • 5103 Dial Indicator - 1 x 0.001in (Range x Divisions)
    • 6574 Four-Channel Data Readout displays real-time data
    • 6152 1in Displacement Transducer measures sample deformation or movement
    • 2000-75 Shear Box Counterbalance supports the top half of the Direct Shear Box to offset weight during testing
    • 20020 Nylon Alignment Screw is used with a Shear Box and can be ordered as a replacement part
    Load Capacity 1,411lb (640kg)
    Shear Capacity 1,500lbf (6.67kN)
    Rate of Load ±1%
    Strain Rate 0.0001—0.3in/min (0.0025—7.62mm/min)
    Electrical

    Model 2050: 115V / 60Hz

    Model 2050F: 230V / 50Hz

    Model 2050-D: 115V / 60Hz

    Model 2050-DF: 230V / 50Hz

    Product Dimensions 36 x 14.5 x 54in (914 x 368 x 1,372mm) WxDxH
    Estimated Shipping Weight 225.0lb (102.06kg)

    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
    Direct / Residual Shear Data Acquisition Software

    Direct / Residual Shear Data Acquisition Software

    $725.00
    Weight Hanger

    Weight Hanger

    $135.00
    1,500lbf Load Cell

    1,500lbf Load Cell

    $350.00
    Mechanical Dial Indicator - 0.5 x .0001in (Range x Divisions)

    Mechanical Dial Indicator - 0.5 x .0001in (Range x Divisions)

    $240.00
    Mechanical Dial Indicator - 1 x 0.001in (Range x Divisions)

    Mechanical Dial Indicator - 1 x 0.001in (Range x Divisions)

    $125.00
    Four Channel Data Readout (115V/50-60Hz)

    Four Channel Data Readout (115V/50-60Hz)

    $1,815.00
    1in Linear Variable Displacement Transducer

    1in Linear Variable Displacement Transducer

    $385.00
    Shear Box Counterbalance

    Shear Box Counterbalance

    From $75.00
    Nylon Alignment Screw

    Nylon Alignment Screw

    $2.00
     
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