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Nelinearna dinamična analiza jeklenih okvirjev na primeru parkirne hiše : magistrsko delo
ID Maček, Žiga (Author), ID Može, Primož (Mentor) More about this mentor... This link opens in a new window

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MD5: DDB07E2E959CB8E758B7E27171D6E0D7
PID: 20.500.12556/rul/772fa4a8-842f-4378-9131-7e1f04f7c61b

Abstract
V magistrski nalogi obravnavamo štiri nadstropni jekleni okvir z zamaknjenimi etažami pri potresni obremenitvi. Okviri so dimenzionirani z različnimi pristopi. Dva okvira sta dimenzionirana po načinu DCM z manjšimi odmikom od pravil, ki jih določa SIST EN 1998-1. Trije okviri so dimenzionirani po načinu DCH. Za okvire so izdelani matematični modeli v programskem okolju Abaqus. Okviri so modelirani s kombinacijo lupinastih in linijskih končnih elementov. Upoštevana je materialna in geometrijska nelinearnost. Na vsakem modelu je izvedena potisna N2 analiza in dinamična nelinearna analiza s tremi akcelogrami. N2 metoda je bila uporabljena za oceno pričakovanega plastičnega mehanizma, distribucijo poškodb in za potrditev vrednosti faktorja obnašanja q. Z rezultati dinamičnih analiz primerjamo velikost akumuliranih plastičnih deformacij, maksimalne pomike tekom potresa in količino sipane energije v plastičnih deformacijah. Vidna so mesta plastičnih členkov.

Language:Slovenian
Keywords:nelinearna dinamična analiza, jeklene stavbe, potresna odpornost, N2 metoda, potisna analiza, Abaqus
Work type:Master's thesis/paper
Typology:2.09 - Master's Thesis
Organization:FGG - Faculty of Civil and Geodetic Engineering
Publisher:[Ž. Maček]
Year:2017
PID:20.500.12556/RUL-97412 This link opens in a new window
UDC:624.014.2:624.072.33(043.3)
COBISS.SI-ID:8214113 This link opens in a new window
Publication date in RUL:25.10.2017
Views:1831
Downloads:726
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Secondary language

Language:English
Title:Nonlinear dynamic analysis of steel frames for multi-story car park : Master thesis
Abstract:
The master’s thesis deals with four story steel frames with staggered floor construction designed for seismic action. Steel frames are designed according to different approaches. Two frames are designed according for DCM with smaller modifications to rules given in SIST EN 1998-1. Three frames are designed according for DCH. All frames are modeled in the SIMULIA Abaqus FEA program. The models are combination of linear beam and shell finite elements. The geometric and material nonlinearity were taken into consideration. The models are subjected to pushover N2 analysis and dynamic nonlinear analysis with three different ground motions. The N2 method was used to estimate the expected plastic mechanisms and the distribution of damage and to revise the behaviour factor. The results of dynamic analysis were used to compare equivalent plastic strain, maximum displacements of frames, plastic dissipation energy, and the distribution of damage.

Keywords:nonlinear dynamic analysis, steel structure, seismic resistance, N2 method, pushover analysis, Abaqus

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