Effects of fire on behavior of concrete element

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26110%2F13%3APU103459" target="_blank" >RIV/00216305:26110/13:PU103459 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Effects of fire on behavior of concrete element
Original language description
Behavior of concrete structures influenced by fire is still important and discussed topic worldwide. In European codes are mentioned few methods for determining fire resistance of concrete elements. These methods are simplified and are not applicable for arbitrary cross-sections of elements or for elements with insulation. To exclude mentioned disadvantages from calculation and make design of fire resistance more convenient it is important to understand processes proceeding in concrete during fire performance and reliably describe thermo-physical and thermo-chemical processes in concrete during heating. In this paper are briefly introduced disadvantages of using Eurocode. Further there is described physical model of concrete at elevated/high temperatures and all important processes like evaporation, dehydration and adsorption which have to be undertaken while creating mathematical models. Finally mathematical model is presented and concept of assessing load bearing capacity of concrete element exposed to fire is proposed.
Czech name
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Czech description
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Project
<a href="/en/project/FR-TI1%2F357" target="_blank" >FR-TI1/357: Concrete structures with non-metallic reinforcement with increased heat and aggressive environment resistibility</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2013
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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