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Semi-Circular Bend Test Fixture

Model: MS-45
$747.5000
Price: $747.50

The MS-45 Semi-Circular Bend (SCB) Test Fixture determines the low temperature fracture energy and toughness of asphalt mixtures with a maximum aggregate size of 19mm. The semi-circular asphalt specimens are easily cut from SuperpaveTM gyratory compacted cylinders or field cores with a diameter of 150 mm.

The test fixture is mounted in a Marshall Stability Load Frame such as the MS-86 or MS-398 for loading. A specimen is positioned with the flat side on two rollers and a load is applied along the vertical diameter of the specimen. The load and displacement are measured to calculate fracture energy, stiffness and fracture toughness.

The SCB Test Fixture consists of a 1/2in (12.7mm) thick steel base plate, two L-shaped roller support steel blocks, two steel rollers, and a U-shaped frame. The loading fixture has Polytetrafluoroethylene strips to minimize friction. Initial roller position is maintained by soft springs and backstops, which establish the test span dimensions.

Features:

  • Determines low temperature fracture energy and toughness of asphalt mixtures with a maximum aggregate size of 19mm
  • Uses Polytetrafluoroethylene strips to minimize friction
  • Features soft springs and backstops to maintain roller position and establish test span dimensions

Included Items:

  • MS-45 Semi-Circular Bend Test Fixture
Dimensions, in (mm) 7x7x7 (178x178x178)
Estimated Shipping Weight, lb (kg) 12 (5.4)

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Dimensions, in (mm) 7x7x7 (178x178x178)
Estimated Shipping Weight, lb (kg) 12 (5.4)