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Title:VPLIV IZBIRE POSTOPKA IZRAČUNA NIHAJNEGA ČASA NA VELIKOST POTRESNEGA VPLIVA IN EKONOMSKE POSLEDICE
Authors:ID Jug, Nina (Author)
ID Skrinar, Matjaž (Mentor) More about this mentor... New window
ID Lutar-Skerbinjek, Andreja (Mentor) More about this mentor... New window
ID Žula, Tomaž (Comentor)
Files:.pdf UNI_Jug_Nina_2011.pdf (2,45 MB)
MD5: 06B4869CA408C34E50301492BA3EF895
PID: 20.500.12556/dkum/4b66e18d-94c2-4524-af73-b8febbded48d
 
Language:Slovenian
Work type:Undergraduate thesis
Organization:FGPA - Faculty of Civil Engineering, Transportation Engineering and Architecture
Abstract:Pri potresno odporni gradnji objektov moramo izpolniti vse zahteve varnosti, ki jih podajajo predpisi, zato moramo določiti maksimalne obremenitve objekta. V diplomskem delu je obravnavana jeklena konstrukcija s šestimi etažami. Analizirala sem, kako na velikost projektnega potresnega vpliva vplivajo različni izbrani postopki izračuna prvega nihajnega časa. Samo na takšen način sem lahko ocenila, kako je velikost potresnega vpliva povezana z izbiro metode analize in posledično, kakšni so stroški gradnje objekta. Masa in togost konstrukcije sta konstrukcijska parametra, ki imata preko prvega nihajnega časa največji vpliv na velikost potresnega vpliva, zato je v ospredju diplomskega dela opazovanje vpliva izbire modeliranja konstrukcije na velikost in porazdelitev potresnega vpliva. Rezultati so pokazali, da se pojavijo opazne razlike v izbiri velikosti profilov stebrov konstrukcije glede na izbrano metodo, po kateri sem računala nihajne čase in velikosti potresne sile. Z ekonomskega vidika to pomeni, da vrednost stebrov celotne jeklene konstrukcije variira z izbiro postopka izračuna nihajnega časa in da je smiselno narediti analizo za različne tipe profilov, npr. za profile HEM in HEA.
Keywords:potres, potresna analiza, dinamični model, prostostne stopnje, horizontalni pomiki, Evrokod 8, masa in togost konstrukcije, lastna frekvenca, nihajni čas, metoda končnih elementov, jeklena konstrukcija, jekleni profil, ekonomska analiza.
Place of publishing:Maribor
Publisher:[N. Jug]
Year of publishing:2011
PID:20.500.12556/DKUM-19620 New window
UDC:624.131.55(043.2)
COBISS.SI-ID:15811350 New window
NUK URN:URN:SI:UM:DK:HNEPJLQD
Publication date in DKUM:25.08.2011
Views:3158
Downloads:394
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Categories:KTFMB - FG
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Secondary language

Language:English
Title:THE SELECTION OF FIRST PERIOD CALCULATION METHOD, ITS INFLUENCE ON THE MAGNITUDE OF THE EARTHQUAKE EFFECT AND ECONOMIC CONSEQUENCES
Abstract:The earthquake-resistant construction of buildings requires that all safety requirements defined by the regulations must be fulfilled. The peak-design load of the structure needs to be determined in order to meet these conditions. This diploma thesis concernes a steel-structure with six floors. The main objective of the thesis was to investigate how various selected period-calculation methods affect the magnitude of an earthquake’s effect. In this way it was exclusively possible to evaluate the influence of the analyse methods’ selection with the magnitude of the earthquake’s effect and, consequently, to the erection costs. Structural mass and stiffness are those structural design parameters that have the greatest impact on the first period governsing the design magnitude of the earthquake’s effect. Therefore, the core of this diploma thesis is oriented towards selecting the structure’s modelling, and its effect on the magnitude and distribution of the seismic impact. The results obtained clearly that significant differences occur regarding the sizing of the structure’s columns’ profiles originating from the method implemented for evaluation of the first period, as well as the seismic forces’ distributions. From an economical point of view, this means that the selecting of columns’ cross-sections dimensions for the whole steel structure clearly varies with the choice of period-evaluation method. Consequently, this further suggests that an analyse for different types of cross-section profiles, for example HEM and HEA profiles, should be carried out.
Keywords:earthquake, seismic analysis, dynamic model, degrees of freedom, horizontal displacements, Eurocode 8, structural mass and stiffness, eigenfrequency, period, finite element method, steel structure, steel profile, economic analysis.


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