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Naslov:Optimum design of plane timber trusses considering joint flexibility
Avtorji:ID Šilih, Simon (Avtor)
ID Premrov, Miroslav (Avtor)
ID Kravanja, Stojan (Avtor)
Datoteke:URL http://dx.doi.org/10.1016/j.engstruct.2004.10.001
 
Jezik:Angleški jezik
Vrsta gradiva:Neznano
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FGPA - Fakulteta za gradbeništvo, prometno inženirstvo in arhitekturo
Opis:The paper presents the optimization of metal-plate-connected plane timber trusses with special emphasis on joint flexibility. The optimization was performed by the non-linear programming approach. Since various truss design parameters such as type of truss configuration, span/depth ratio, number and type of diagonal and vertical members and type of joint connections simultaneously affect each other, it is proposed that all of these parameters should be considered simultaneously in a single mathematical model. An optimization model for cost optimization of timber trusses was thus developed. The economic objective function for minimizing the structure's self-manufacturing costs was defined, subjected to the design, stress and deflection (in)equality constraints. The finite element equations were as the equality constraints defined for the calculation of the internal forces and the deflections of the structure. The stiffness matrix of the structure was composed by considering fictitiously decreased cross-section areas of all the flexibly connected elements. Constraints for the dimensioning of the timber members were determined in accordance with Eurocode 5 in order to satisfy the requirements of both the ultimate and the serviceability limit states. The cross-section dimensions and the number of fasteners were defined as independent optimization variables. A numerical example demonstrates the applicability of the optimization approach presented as well as the influence of the fasteners' flexibility on the optimal self-manufacturing costs.
Ključne besede:civil engineering, timber structures, trusses, fasteners, flexibility, optimization, non-linear programming
Leto izida:2005
PID:20.500.12556/DKUM-27214 Novo okno
UDK:624.074.5.075
COBISS.SI-ID:9218070 Novo okno
ISSN pri članku:0141-0296
NUK URN:URN:SI:UM:DK:ZIJLZYFU
Datum objave v DKUM:01.06.2012
Število ogledov:2275
Število prenosov:126
Metapodatki:XML DC-XML DC-RDF
Področja:Ostalo
:
ŠILIH, Simon, PREMROV, Miroslav in KRAVANJA, Stojan, 2005, Optimum design of plane timber trusses considering joint flexibility. Engineering structures [na spletu]. 2005. [Dostopano 22 januar 2025]. Pridobljeno s: http://dx.doi.org/10.1016/j.engstruct.2004.10.001
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Gradivo je del revije

Naslov:Engineering structures
Skrajšan naslov:Eng. struct.
Založnik:Elsevier Science
ISSN:0141-0296
COBISS.SI-ID:7750666 Novo okno

Sekundarni jezik

Jezik:Angleški jezik
Ključne besede:lesene konstrukcije, paličja, vezna sredstva, fleksibilnost, optimizacija, nelinearno programiranje


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