diplomska naloga
Blaž Dolgan (Author), Jože Lopatič (Mentor)

Abstract

V diplomski nalogi so obravnavane poenostavljene metode za upoštevanje učinkov vplivov teorije drugega reda pri osno obremenjenih armiranobetonskih elementih v skladu s standardom SIST EN 1992- 1-1. Predstavljen je tudi ustrezen lasten računalniški pripomoček za izračun teh učinkov vplivov. Pripomoček je izdelan v programu Microsoft Office Excel. Osnovne parametre vpišemo v označena polja (geometrijske lastnosti, obremenitve), materialne karakteristike betona in jekla pa izberemo posredno z izbiro ustreznega trdnostnega razreda iz spustnega seznama. Pripomoček nam po vnosu vhodnih podatkov preračuna vplive na podlagi dveh poenostavljenih metod iz standarda. To sta metoda nazivne togosti in metoda nazivne ukrivljenosti. Rezultat izračuna je povečanje upogibnih momentov zaradi vpliva teorije drugega reda oziroma skupni upogibni moment za dimenzioniranje stebra. Pripomoček nam ponudi tudi izračun potrebne količine upogibne armature. V diplomski nalogi sta predstavljena dva računska primera, ki prikazujeta delovanje pripomočka. Na koncu vsakega primera je tudi primerjava rezultatov dobljenih po obeh metodah.

Keywords

gradbeništvo;diplomska naloga;VSŠ;GR;GR-OG;teorija drugega reda;uklon;vitkost;SIST EN 1992-1-1;metoda nazivne togosti;metoda nazivne ukrivljenosti;

Data

Language: Slovenian
Year of publishing:
Typology: 2.11 - Undergraduate Thesis
Organization: UL FGG - Faculty of Civil and Geodetic Engineering
Publisher: [B. Dolgan]
UDC: 006.35+624.07(497.4)(043.2)
COBISS: 43871235 Link will open in a new window
Views: 439
Downloads: 130
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Other data

Secondary language: English
Secondary title: Design of reinforced concrete columns to Eurocode 2
Secondary abstract: This graduation thesis deals with simplified methods of analysis of second%order theory in axially loaded reinforced concrete elements in accordance with SIST EN 1992-1-1 standard. A self-made computer tool for calculation of second % order theory effects is presented too. The tool is created in Microsoft Office Excel. We fill the required cells with basic data (geometry, load); material characteristics of concrete and steel are selected from the drop-down list. The toll calculates effects on basis of two simplified methods from the SIST EN 1992-1-1 standard. Those are method of nominal stiffness and method of nominal curvature. The result that toll returns after calculation is the value of increased bending moment because of second%order theory effects. The tool offers us the calculation of required amount of reinforcement. The graduation thesis also presents two calculation examples, which show the functioning of the tool. At the end of every example, a comparison of results is made.
Secondary keywords: graduation thesis;civil engineering;second-order theory;buckling;slenderness;SIST EN 1992-1-1;method of nominal stiffness;method of nominal curvature;
Type (COBISS): Bachelor thesis/paper
Thesis comment: Univ. v Ljubljani, Fak. za gradbeništvo in geodezijo
Pages: XII, 61 str.
ID: 12418889