Analiza dvoslojnih lesenih nosilcev

Povzetek

Ključne besede

Podatki

Jezik:	Slovenski jezik
Leto izida:	2009
Izvor:	Ljubljana
Tipologija:	2.11 - Diplomsko delo
Organizacija:	UL FGG - Fakulteta za gradbeništvo in geodezijo
Založnik:	[D. Medved]
UDK:	624.011.1:624.072(043.2)
COBISS:	4805985
Št. ogledov:	2179
Št. prenosov:	643
Ocena:	0 (0 glasov)
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Sekundarni jezik:	Angleški jezik
Sekundarni naslov:	Nonlinear analysis of two-layer timber beams
Sekundarni povzetek:	The analysis of effect of contact compliance on a stress-strain state of a two layer timber beams is the main scope of the presented work. First, the simplified procedure according to SIST EN 1995-1-1 standard is applied. Second, an advanced and more accurate non-linear analysis based on the finite element method is considered. There are some extra advantages of using the second method. Besides the elementary results – strain and stress state of a beam, we can also directly calculate slip and uplift at the contact of a timber beam. The parametric study revealed that a simplified procedure is suitable for the analysis of a simply supported beam. A simplified analysis of continuous beam over two fields is not accurate enough because there is a noticeable difference in results according to non-linear analysis.
Sekundarne ključne besede:	civil engineering;graduation thesis;two-layer timber beam;simplified analysis;non-linear analysis;interlayer slip;delamination of layers;
Vrsta datoteke:	application/pdf
Vrsta dela (COBISS):	Diplomsko delo
Komentar na gradivo:	Univ. v Ljubljani, Fak. za gradbeništvo in geodezijo
Strani:	X, 61 str.
Vrsta dela (ePrints):	thesis
Naslov (ePrints):	Nonlinear analysis of two-layer timber beams
Ključne besede (ePrints):	dvoslojni lesen nosilec;poenostavljena analiza;nelinearna analiza;zdrs med slojema;razmikanje slojev
Ključne besede (ePrints, sekundarni jezik):	two-layer timber beam;simplified analysis;non-linear analysis;interlayer slip;delamination of layers
Povzetek (ePrints):	V diplomski nalogi je analiziran vpliv podajnosti stika na napetostno in deformacijsko stanje dvoslojnih lesenih nosilcev. Za analizo je uporabljen poenostavljen postopek, kot ga priporoča standard za projektiranje lesenih konstrukcij SIST EN 1995-1-1, ter naprednejša in natančnejša nelinearna elastična analiza, ki temelji na metodi končnih elementov. Prednost nelinearne analize je v tem, da lahko poleg osnovnega napetostnega in deformacijskega stanja dvoslojnega lesenega nosilca neposredno izračunamo tudi zamik ter razmik na stiku med slojema. S parametrično študijo je bilo ugotovljeno, da je poenostavljen postopek primeren predvsem za analizo prostoležečih dvoslojnih nosilcev, medtem ko za analizo kontinuirnega dvoslojnega nosilca preko dveh polj ni primeren, saj nastopijo razlike med rezultati poenostavljenega postopka ter rezultati nelinearne analize.
Povzetek (ePrints, sekundarni jezik):	The analysis of effect of contact compliance on a stress-strain state of a two layer timber beams is the main scope of the presented work. First, the simplified procedure according to SIST EN 1995-1-1 standard is applied. Second, an advanced and more accurate non-linear analysis based on the finite element method is considered. There are some extra advantages of using the second method. Besides the elementary results – strain and stress state of a beam, we can also directly calculate slip and uplift at the contact of a timber beam. The parametric study revealed that a simplified procedure is suitable for the analysis of a simply supported beam. A simplified analysis of continuous beam over two fields is not accurate enough because there is a noticeable difference in results according to non-linear analysis.
Ključne besede (ePrints, sekundarni jezik):	two-layer timber beam;simplified analysis;non-linear analysis;interlayer slip;delamination of layers
ID:	8310646