Instrumented mold for use in material testing equipment for measurement of material properties
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United States of America Patent
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Sep 23, 2003
Grant Date -
Dec 27, 2001
app pub date -
Mar 12, 2001
filing date -
Mar 10, 2000
priority date (Note) -
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Abstract
A system and method for measuring forces and behavior of a material when subjected to an applied force in a contained vessel or mold in directions not aligned with the applied force. Materials which flow, including mixed materials with an aggregate and a mastic, can be tested within a material vessel or mold by applying a force to the material within the mold and, in addition to measuring resistance of the material to the applied force, resulting forces applied by the material to the mold walls, for example laterally relative to the applied force, are measured and are indicative of flow characteristics and load bearing performance, and shear strength of the material. In a specific testing device, a material testing mold for use with material testing equipment which applies forces to material within the mold, has a mold cavity formed by walls. At least one portion of the wall is configured to deflect or deform in response to material pressure created by a force applied to the material. Deflection or deformation of the mold wall is measured to provide an indication of force transfer load bearing properties and behavior of the material in the mold, which is indicative of real world performance.
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