Feasibility of a New Technique to Determine Dynamic Tensile Behavior of Brittle Materials

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Dynamic tensile characterization of geo-materials is critical to the modeling and design of protective structures that are often made of concrete. One of the most commonly used techniques currently associated with this type of testing is performed with a Kolsky bar and is known as the spall technique. The validity of the data from the spall technique is highly debated because the necessary boundary conditions for the experiment are not satisfied. By using a technique called pulse shaping, a new “controlled” spall technique was developed to satisfy all boundary conditions so that the analyzed data may be useful in modeling ... continued below

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Dean, Andrew W May 2016.

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  • Dean, Andrew W

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Dynamic tensile characterization of geo-materials is critical to the modeling and design of protective structures that are often made of concrete. One of the most commonly used techniques currently associated with this type of testing is performed with a Kolsky bar and is known as the spall technique. The validity of the data from the spall technique is highly debated because the necessary boundary conditions for the experiment are not satisfied. By using a technique called pulse shaping, a new “controlled” spall technique was developed to satisfy all boundary conditions so that the analyzed data may be useful in modeling and design. The results from this project were promising and show the potential to revolutionize the way Kolsky bar testing is performed.

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UNT Theses and Dissertations

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  • May 2016

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  • June 28, 2016, 4:28 p.m.

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  • July 25, 2016, 1:21 p.m.

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Dean, Andrew W. Feasibility of a New Technique to Determine Dynamic Tensile Behavior of Brittle Materials, thesis, May 2016; Denton, Texas. (digital.library.unt.edu/ark:/67531/metadc849768/: accessed May 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .