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Grafični vmesnik za določanje požarne odpornosti enostavnih konstrukcijskih elementov skladno s standardi Evrokod : diplomska naloga
Kravos, Marko (Author), Hozjan, Tomaž (Mentor) More about this mentor... This link opens in a new window, Srpčič, Stane (Co-mentor), Logar, Janko (Thesis defence commission member), Isaković, Tatjana (Thesis defence commission member)

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Abstract
V diplomski nalogi predstavimo avtorski računalniški program za določanje požarne odpornosti enostavnih lesenih in armiranobetonskih konstrukcijskih elementov skladno s standardi Evrokod. Program je izdelan v programskem okolju Matlab® R2013a z uporabo orodja za razvoj grafičnih uporabniških vmesnikov GUIDE. Kot možnosti požarnih obremenitev uporabimo več nominalnih in eno modelirano (parametrično) požarno krivuljo. V primeru armiranobetonskih elementov uporabimo za določitev upogibne odpornosti metodo izoterme 500°C. Razpored temperatur po prečnem prerezu med požarom določimo s temperaturno analizo, ki jo izvedemo v povezavi z vključenim programom Heatko (Hozjan, 2009). V primeru lesenih elementov odpornost določimo z metodo zmanjšanega prečnega prereza in z metodo zmanjšanih materialnih karakteristik. Pri vsakem izračunu določimo začetno nosilnost in čas porušitve elementa pri kombinaciji vplivov za nezgodna projektna stanja. Nosilnost v odvisnosti od časa prikažemo na grafu. Program predstavimo z njegovo teoretično osnovo, navodili za uporabo in petimi različnimi primeri.

Language:Slovenian
Keywords:gradbeništvo, UNI, dipl., uklon vzdolžne armature, razmerje med nepodprto dolžino in premerom vzdolžne armature, mejni pomik armiranobetonskega elementa, analiza moment ukrivljenost, lamelni element, histerezna krivulja
Work type:Undergraduate thesis (m5)
Tipology:2.11 - Undergraduate Thesis
Organization:FGG - Faculty of Civil and Geodetic Engineering
Year:2015
Publisher:[M. Kravos]
Number of pages:XII, 78 str., CD z računalniškim programom
Place:Ljubljana
UDC:614.84:624.01(043.2)
COBISS.SI-ID:6999905 Link is opened in a new window
Views:1014
Downloads:354
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Secondary language

Language:English
Title:Graphical interface for determining fire resistance of simple timber and reinforced concrete structural elements in accordance with Eurocode standards
Abstract:
The thesis introduces a computer program for determining fire resistance of simple timber and reinforced concrete structural elements in accordance with Eurocode standards. The program is developed in the programming environment Matlab® R2013a, using graphical user interface development tool named GUIDE. Thermal actions used in the program include a selection of nominal fire curves as well as one of the natural fire models – the parametric curve. The method used to determine fire resistance of reinforced concrete elements is the 500°C isotherm method. The temperature layout across the crosssection is determined by temperature analysis, which is done in conjunction with the implemented program Heatko (Hozjan, 2009). For timber elements are used the fire resistance is calculated by the reduced cross-section method and by the reduced properties method (simultaneously). The results for each calculation consist of initial capacity, time of failure and a graph displaying bearing capacity loss over time. The program is presented by its theoretical background, instructions for use and five different practical examples.

Keywords:graduation thesis, civil engineering, buckling of longitudinal reinforcement, ratio of unsupported length and the diameter of the longitudinal reinforcement, ultimate displacement of reinforced concrete element, moment curvature analysis, fiber element, hysteretic curve

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