A Non-Destructive Impedance Method Using Resonance to Evaluate the Concentration of Steel Fibers in Concrete

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26220%2F18%3APU129187" target="_blank" >RIV/00216305:26220/18:PU129187 - isvavai.cz</a>
Result on the web
<a href="http://www.degruyter.com/view/j/msr.2018.18.issue-5/msr-2018-0030/msr-2018-0030.xml?format=INT" target="_blank" >http://www.degruyter.com/view/j/msr.2018.18.issue-5/msr-2018-0030/msr-2018-0030.xml?format=INT</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1515/msr-2018-0030" target="_blank" >10.1515/msr-2018-0030</a>

Result language
angličtina
Original language name
A Non-Destructive Impedance Method Using Resonance to Evaluate the Concentration of Steel Fibers in Concrete
Original language description
Steel-fiber reinforced concrete is a composite material characterized by outstanding tensile properties and resistance to cracking. The concrete, however, exhibits such characteristics only on the condition that the steel fibers in the final, hardened composite are distributed evenly. Current methods to evaluate the distribution and concentration in a fiber composite are either destructive or exhibit a limited capability of evaluating the concentration and orientation of the fibers. In this context, the paper discusses auxiliary techniques and laboratory tests that evaluate the density and orientation of the fibers in a composite material, presenting an innovative approach to impedance-based non-destructive testing. The actual methodology utilizes the resonance of the measuring device and the measured sample set; the desired state occurs within the interval of f = 10 kHz and 2 GHz.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
20201 - Electrical and electronic engineering

Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2018
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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