The thermal response of corrugated web beams subjected to fire

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F17%3A00316799" target="_blank" >RIV/68407700:21110/17:00316799 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

The thermal response of corrugated web beams subjected to fire

Popis výsledku v původním jazyce

The corrugated web beams represent an alternative for material saving by decreasing the web thickness. By reducing the web thickness to values of 1.5 mm to 3 mm, the thermal massivity of the web is reduced, leading to faster temperature increase in fire situation. Moreover, since the flange thickness is unchanged compared to a common flat web beam, the temperature gradient between the two parts is higher in case of corrugated web beams. In a previous study of the authors, an ISO fire test was performed on five typologies of individual elements in a furnace, in which the temperature development in the corrugated web beams were monitored. Starting from the simple relations provided in EN 1991-1-2, an analytical model was proposed to consider the heat transfer by conduction from the web to the flange. Two of the individual elements tested were also studied numerically, using the general purpose computer code Abaqus. The temperatures obtained numerically follow closely the temperatures recorded during the three considered specimens. The present paper further validates the numerical model against the experimental results obtained for the other three specimens and presents a numerical study on the recently added typology of corrugated web beams with the web thickness of 6 mm.

Název v anglickém jazyce

The thermal response of corrugated web beams subjected to fire

Popis výsledku anglicky

The corrugated web beams represent an alternative for material saving by decreasing the web thickness. By reducing the web thickness to values of 1.5 mm to 3 mm, the thermal massivity of the web is reduced, leading to faster temperature increase in fire situation. Moreover, since the flange thickness is unchanged compared to a common flat web beam, the temperature gradient between the two parts is higher in case of corrugated web beams. In a previous study of the authors, an ISO fire test was performed on five typologies of individual elements in a furnace, in which the temperature development in the corrugated web beams were monitored. Starting from the simple relations provided in EN 1991-1-2, an analytical model was proposed to consider the heat transfer by conduction from the web to the flange. Two of the individual elements tested were also studied numerically, using the general purpose computer code Abaqus. The temperatures obtained numerically follow closely the temperatures recorded during the three considered specimens. The present paper further validates the numerical model against the experimental results obtained for the other three specimens and presents a numerical study on the recently added typology of corrugated web beams with the web thickness of 6 mm.

Druh

D - Stať ve sborníku

CEP obor

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OECD FORD obor

20101 - Civil engineering

Projekt

<a href="/cs/project/GA16-18448S" target="_blank" >GA16-18448S: Sdružený model požární zkoušky konstrukce v peci</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2017

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

Eurosteel 2017

ISBN

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ISSN

2509-7075

e-ISSN

2509-7075

Počet stran výsledku

6

Strana od-do

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Název nakladatele

Ernst & Sohn

Místo vydání

Berlin

Místo konání akce

Copenhagen

Datum konání akce

13. 9. 2017

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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