diplomska naloga
Anej Špacapan (Author), Jože Lopatič (Mentor), Janko Logar (Thesis defence commission member), Drago Saje (Co-mentor)

Abstract

V diplomski nalogi smo analizirali napetostno stanje lesenih sestavljenih nosilcev treh različnih prerezov in dveh enostavnih statičnih sistemov. S programskim orodjem Microsoft® Excel smo izdelali program za analizo sestavljenih lesenih nosilcev iz masivnega lesa. Program omogoča izračun napetostnega stanja škatlastih, »I« in »T« prečnih prerezov s poljubnimi dimenzijami pasnic in stojin. Statični sistem je prostoležeči ali konzolni nosilec, poljubne dolžine. Posamezni deli prereza so med seboj povezani z mehanskimi veznimi sredstvi – gladkimi žeblji, standardnih dimenzij po SIST EN 1995-1-1:2005, in imajo lahko različne trdnostne lastnosti. Za dano obtežbo, dimenzije prereza in dolžino izbranega nosilca program izračuna in izriše graf upogibnih momentov in prečnih sil. Na najbolj obremenjenih mestih se izvede kontrola normalnih in strižnih napetosti, nosilnosti veznih sredstev ter pomikov po standardu za projektiranje lesenih konstrukcij SIST EN 1995-1-1.

Keywords

gradbeništvo;diplomska dela;sestavljeni leseni nosilci;vezna sredstva;podajnost veznih sredstev;trdnostne karakteristike masivnega lesa;

Data

Language: Slovenian
Year of publishing:
Typology: 2.11 - Undergraduate Thesis
Organization: UL FGG - Faculty of Civil and Geodetic Engineering
Publisher: [A. Špacapan]
UDC: 624.011(043.2)
COBISS: 6407265 Link will open in a new window
Views: 4810
Downloads: 2071
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Other data

Secondary language: English
Secondary title: Design of composite wooden beams
Secondary abstract: The graduation thesis deals the stress state of composite wooden beams of three different cross sections and two simple static systems. By using Microsoft® Excel, a simple program for the analysis of composite wooden beams made of hardwood is created. The program can choose between the box, »I« and »T« cross-sections with arbitrary dimensions of flanges and webs. For the static system, simply supported beams of varying lengths can be chosen. The individual elements of the cross section are connected by mechanical fasteners (smooth nails of standard dimensions according to SIST EN 1995-1-1:2005) and may have different strength characteristics. By entering load, cross-section dimensions and length of the selected beam, the program calculates and draws a shear force and bending moment diagram. Based on the maximum values of moments and shear forces obtained, the program checks normal and shear stress as well as nails` carrying capacity and displacements of the beam. All calculations and processes of control are in accordance with the currently established standard for the design of timber structures, i.e. SIST EN 1995-1-1.
Secondary keywords: graduation thesis;civil engineering;composite wooden beams;connectors;flexsibility of connectors;strength of wood;
File type: application/pdf
Type (COBISS): Bachelor thesis/paper
Thesis comment: Univ. v Ljubljani, Fak. za gradbeništvo in geodezijo
Pages: X, 35 str.
ID: 8752173