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Reliability analysis of a glulam beam
Toratti, Tomi (Avtor), Schnabl, Simon (Avtor), Turk, Goran (Avtor)

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Izvleček
The present case study is an example of the use of reliability analysis to asses the failure probability of a tapered glulam beam. This beam is part of a true structure built for a super market in the town of Kokemaki in Finland. The reliability analysis is carried out using the snow load statistics available from the site and on material strength information available from previous experiments. The Eurocode 5 and the Finnish building code are used as the deterministic methods to which the probabilistic method is compared to. The calculations show that the effect of the strength variation is not significant, when the coefficient of variation of the strength is around 15% as usually assumed for glulam. The probability of failure resulting from a deterministic design based on Eurocode 5 is low compared to the target values and lower sections are possible if applying a probabilistic design method. In fire design, if a 60 min resistance is required, this is not the case according to Eurocode 5 design procedures, a higher section would be required. However, a probabilistic based fire analysis results in bounds for the yearly probability of failure which are comparable to the target value and to the values obtained from the normal probabilistic based design. (C) 2006 Elsevier Ltd. All rights reserved.

Jezik:Angleški jezik
Ključne besede:reliability, Eurocode, design, glulam, fire
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FGG - Fakulteta za gradbeništvo in geodezijo
Leto izida:2007
Založnik:Elsevier
Št. strani:str. 279-293
Številčenje:Letn. 29, št. 4
UDK:006(4):614.84:624.072.2
ISSN pri članku:0167-4730
DOI:10.1016/j.strusafe.2006.07.011 Povezava se odpre v novem oknu
COBISS.SI-ID:3588961 Povezava se odpre v novem oknu
Število ogledov:364
Število prenosov:95
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Gradivo je del revije

Naslov:Structural safety
Skrajšan naslov:Struct. saf.
Založnik:Elsevier
ISSN:0167-4730
COBISS.SI-ID:6691333 Novo okno

Sekundarni jezik

Jezik:Angleški jezik
Ključne besede:zanesljivost, Evrokod, projektiranje, lepilo, požar

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