Dimenzioniranje nosača opterećenih na torziju i aksijalnu silu

undergraduate thesis

• Title (english): Dimensioning of beam subjected to torsion and axial force
• Author: Ivan Biljan
• Mentor: Diana Šimić Penava (mentor)
• Committee member: Marko Bartolac (predsjednik povjerenstva)
• Committee member: Marina Frančić Smrkić (član povjerenstva)
• Committee member: Diana Šimić Penava (član povjerenstva)
• Granter: University of Zagreb; Faculty of Civil Engineering; (Engineering Mechanics); Zagreb
• Defense date and country: 2022-09-13, Croatia
• Scientific / art field, discipline and subdiscipline: TECHNICAL SCIENCES; Civil Engineering

Abstract

Tema ovog završnog rada je dimenzioniranje nosača opterećenih na torziju i aksijalnu silu. U sklopu rada izvedeni su osnovni zakoni za proračun pod pretpostavkom jednoliko raspoređenog naprezanja u poprečnom presjeku. Pri tome ćemo definirati i objasniti pojmove kao što su glavna naprezanja, aksijalno opterećenje štapa (potrebno objasniti rastezanje i pritisak ravnog štapa), torzija ravnih štapova (torzija štapova kružnoga presjeka, Prandtlova membranska analogija, torzija štapova s tankim stijenkama otvorenog i zatvorenog profila). Na kraju rada, dana su dva numerička primjera u kojima je prikazan postupak proračuna naprezanja i dimenzioniranja nosača pri torzijskom i aksijalnom opterećenju. Ovisno o dobivenim veličinama naprezanja u različitim tipovima poprečnog presjeka dan je zaključak o najekonomičnijem izboru poprečnog presjeka štapa sa strane maksimalne iskoristivosti.

Abstract (english)

The theme of this final work is sizing the carriers loaded on the torsion and axial force. As part of the work, basic laws were made for calculation assuming a uniformly distributed strain in the cross section. In doing so, we will define and explain concepts such as the main stresses, the axial load on the rod (it is necessary to explain the stretching and pressure of the flat rod), the torsion of the flat rods (the torsion of the rods of circular cross-section, the Prandtl membrane analogy, the torsion of the rods with thin walls of an open and closed profile). At the end of the work, two numerical examples were given in which the procedure for calculating the stress and sizing of the supports at torsional and axial load was presented. Depending on the obtained stress sizes in different types of cross-section, a conclusion was given on the most economical choice of cross-section of the rod on the side of maximum usability.

• Keywords: Dimenzioniranje nosača; torzija; aksijalna sila; tankostijeni poprečni presjek; glavna naprezanja
• Keywords (english): Beam dimensioning; torsion; axial force; thinned cross-section; main stresses
• Language: croatian
• URN:NBN: urn:nbn:hr:237:491242
• Study programme: Title: Civil Engineering; Study programme type: university; Study level: undergraduate; Academic / professional title: sveučilišni/a prvostupnik/ prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka građevinarstva (sveučilišni/a prvostupnik/ prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka građevinarstva)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Closed access
• Created on: 2023-03-28 11:55:16