Comparison of dynamic young's modulus of elasticity values measured by ultrasonic pulse and resonance methods

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26110%2F15%3APU115645" target="_blank" >RIV/00216305:26110/15:PU115645 - isvavai.cz</a>
Result on the web
<a href="http://www.scientific.net/ARM.1100" target="_blank" >http://www.scientific.net/ARM.1100</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.4028/www.scientific.net/AMR.1100.193" target="_blank" >10.4028/www.scientific.net/AMR.1100.193</a>

Result language
angličtina
Original language name
Comparison of dynamic young's modulus of elasticity values measured by ultrasonic pulse and resonance methods
Original language description
Dynamic Young´s modulus of elasticity can be determined by ultrasonic pulse method and resonance method. Because of the difference in the way of introducing tension into a test specimen, the values of modulus of elasticity differ. Dynamic Young´s modulus of elasticity measured by ultrasonic pulse method is higher; the difference stated for concrete is 5 to 20%. It was found that the dynamic Young's modulus of elasticity of calcium silicate bricks and prisms measured by ultrasonic pulse method is on average higher by 9.5% than dynamic Young's modulus of elasticity measured by resonance method. If dynamic Young's modulus of elasticity is converted to static modulus of elasticity, this difference has to be taken into account by means of appropriate coefficient.
Czech name
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Czech description
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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
2015
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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