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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 /
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    • Load Frames /
    • Load Frame, 2in / min, 20,000lbf
    Load Frame, 2in / min, 20,000lbf
    Load Frame with 4in Marshall Breaking Head, Loading Button, Two Channel Readout, 2in Displacement Transducer with Bracket and 10,000lbf Load Cell (components sold separately)

    Load Frame, 2in / min, 20,000lbf

    7790
    $6,300.00
    • Product ManualProduct Manual
    Meets Standard(s)
    • AASHTO T 245,  
    • AASHTO T 283,  
    • AASHTO TP 105,  
    • AASHTO TP 114,  
    • AASHTO TP 124,  
    • ASTM D5581,  
    • ASTM D6927,  
    • ASTM D6931
    Load Frame, 2in / min, 20,000lbfLoad Frame, 2in / min, 20,000lbfLoad Frame, 2in / min, 20,000lbfLoad Frame, 2in / min, 20,000lbfLoad Frame, 2in / min, 20,000lbfLoad Frame, 2in / min, 20,000lbfLoad Frame, 2in / min, 20,000lbfLoad Frame, 2in / min, 20,000lbfLoad Frame, 2in / min, 20,000lbfLoad Frame, 2in / min, 20,000lbfLoad Frame, 2in / min, 20,000lbfLoad Frame, 2in / min, 20,000lbf
    • Description
    • Soil Tests
    • Specifications
    • Questions?

    The 7790 Karol-Warner Load Frame can perform a variety of Marshall testing applications with 20,000lbf (89kN) load capacity and a fixed strain rate of 2in/min (50.8mm/min). When equipped with the proper load and displacement components, it can be used for testing Marshall, Indirect Tensile (Lottman), Semi-Circular Bend (SCB), Tack Shear, and other hot-mix asphalt samples.

    With its sturdy powder-coated steel cabinet and precision loading screw with a protective boot, the Load Frame can handle even the most severe lab environments. Front panel controls allow the operator to adjust the direction of the 8in (203mm) diameter platen. The vertical 1.25in (32mm) diameter rods allow for a quick change of crossarm height.

    The powerful 1hp AC motor and controller regulate speed to within ±1%. This model is available in 200-240V, 50-60Hz only.

    Features:

    • The strain rate of 2in/min meets a variety of asphalt tests
    • The load capacity of 20,000lbf
    • Powerful 1hp AC motor and controller regulates speed to within ±1%
    • Corrosion-resistant construction
    • Simple to operate and maintain
    • Economical and versatile product for laboratory or university needs

    Included Items:

    • Load Frame, 2in/min, 20,000lbf

    Accessories:

    • Load & Displacement Measurement products outfit Load Frames for specific test methods
    • 4 and 6in Marshall Breaking Heads measure deformation under load and flow rate when performing hot-mix asphalt testing
    • 4 and 6in Lottman Breaking Heads test moisture susceptibility of asphalt specimens
    • 7042 Flow Meter with Indicator is used to measure specimen flow under load during Marshall testing of hot-mix asphalt
    • 7699 Rolling Cart for Load Frames allows easy portability in the lab
    • 6572-28 Two Channel Readout with 2in Displacement Transducer & 10,000lbf Load Cell offers a complete kit for measuring and displaying load displacement
    • 9610 Semi-Circular Bend Test Fixture for low-temperature fracture and toughness of asphalt samples
    • 9706 Asphalt Tack Bond Shear Apparatus for tack coat strength
    • 7001 Readout Load Frame Bracket secures a Data Readout to the Load Frame
    ModelStrain Rate,
    in/min
    Capacity, lbfTriaxialUnconfined
    Compressive
    Strength
    California
    Bearing
    Ratio (CBR)
    Soil Cement

    Marshall
    Lottman
    Semi-Circular Bend (SCB)
    Tack Shear

    7611 0.001 - 0.1 10,000 ✔ ✔ ✔ ✔  
    7621 0.0001 - 0.3 10,000 ✔ ✔ ✔ ✔  
    7631 0.00001 - 0.29999 10,000 ✔ ✔ ✔ ✔  
    7731 0.00001 - 0.29999 20,000 ✔ ✔ ✔ ✔  
    7691 0.02 - 2.0 10,000 ✔ ✔ ✔ ✔ ✔
    7690 2.0 Fixed 10,000         ✔
    7790 2.0 Fixed 20,000         ✔
    Load Capacity 20,000lbf (89kN)
    Strain Rate 2in/min (50.8mm/min)
    Rate of Load ±1% of Set Point
    Motor 1hp AC Motor
    Electrical 200-240V / 50-60Hz
    Frame Opening Dimensions 11 x 19.5in (279 x 495mm) WxH
    Net Weight 190lb (86.4kg)
    Product Dimensions 18 x 29 x 54.5in (457 x 737 x 1,384mm) WxDxH
    Estimated Shipping Weight 250.0lb (113.40kg)

    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
    Marshall Breaking Heads

    Marshall Breaking Heads

    From $440.00
    Lottman Breaking Heads

    Lottman Breaking Heads

    From $330.00
    Flow Meter with Indicator

    Flow Meter with Indicator

    $198.00
     Rolling Cart for Load Frames

    Rolling Cart for Load Frames

    $395.00
    Two-Channel Readout w/ 2in Displacement Transducer & 10,000lbf Load Cell

    Two-Channel Readout w/ 2in Displacement Transducer & 10,000lbf Load Cell

    From $1,920.00
    SCB Test Fixture shown with asphalt sample

    Semi-Circular Bend Test Fixture

    $680.00
    Asphalt Tack Bond Shear Strength Apparatus

    Asphalt Tack Bond Shear Strength Apparatus

    From $2,850.00
    Readout Load Frame Bracket

    Readout Load Frame Bracket

    $80.00
     
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