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Izdelava programa za dimenzioniranje naknadno prednapetih betonskih nosilcev : diplomska naloga
ID Podgoršek, Luka (Author), ID Lopatič, Jože (Mentor) More about this mentor... This link opens in a new window

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Abstract
Diplomsko delo opisuje obdelavo teoretičnih podlag in izdelavo konkretnega računalniškega programa za dimenzioniranje naknadno prednapetih betonskih nosilcev v programskem okolju Excel. Glavni podlagi za izbiro ustreznih enačb sta standard SIST EN 1992-1-1 in evropska tehnična ocena za konkretne prednapete kable, obravnavane v nalogi. Dimenzioniranje kablov poteka na podlagi mejnih stanj uporabnosti, pri čemer je pridobljena vrednost limitne kabelske sile, potrebna za izpolnitev pogoja dekompresije, potem pa izgube kabelske sile in naposled kontrole napetosti. Dimenzioniranje preostale mehke armature poteka na podlagi mejnih stanj nosilnosti. Program je postavljen v Excelove razpredelnice, opremljene s spremljajočim makrom, ki opravi zahtevnejše izračune v primeru rekurzivnosti enačb. Vsi vhodni podatki so vneseni prek kontrolnega lista, ki je postavljen z namenom večje preglednosti za uporabnika.

Language:Slovenian
Keywords:diplomske naloge, gradbeništvo, naknadno prednapeti nosilec, zaščitne cevi, kabelska sila, izgube kabelske sile, evropska tehnična ocena, mejno stanje uporabnosti, kontrole napetosti, dekompresija, mejno stanje nosilnosti, Evrokod 2, Excel, Solver
Work type:Bachelor thesis/paper
Typology:2.11 - Undergraduate Thesis
Organization:FGG - Faculty of Civil and Geodetic Engineering
Place of publishing:Ljubljana
Publisher:[L. Podgoršek]
Year:2024
Number of pages:1 spletni vir (1 datotek PDF (X, 38 str., 4 str. pril.))
PID:20.500.12556/RUL-161007-82f4f99c-9f4e-2641-cd4a-a25cab925f82 This link opens in a new window
UDC:004.42:624.012.4(043.2)
COBISS.SI-ID:207400963 This link opens in a new window
Publication date in RUL:06.09.2024
Views:275
Downloads:126
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Secondary language

Language:English
Title:Elaboration of software for design of post-tensioned concrete beams : graduation thesis
Abstract:
The thesis describes the processing of theoretical foundations and the elaboration of a computer program for the design of post-tensioned concrete beams in MS Excel. Basis for choosing the appropriate equations are the Eurocode 2 standard and the European technical assessment for prestressed tendons that are discussed in thesis. Design of tendons is based on serviceability limit states, whereby the value of the final stress in tendons is required to fulfill the condition of decompression, then losses of prestress and finally stress control are obtained. The design of flexural and shear reinforcement is based on the ultimate limit states. The program is placed in Excel spreadsheets and equipped with an accompanying macro which performs calculation of recursive equations. All input data is entered through a control sheet, which is set up with the aim of greater transparency for the user.

Keywords:graduation thesis, civil engineering, post-tensioned beam, sheaths, prestressing force, losses of prestressing force, European Technical Assessment, serviceability limit states, stress control, decompression, ultimate limit states, Eurocode 2, Excel, Solver

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