Analiza naprezanja u karabineru za sportsko penjanje

undergraduate thesis

• Title (english): Stress analysis of a climbing carabiner
• Author: Lucija Maradin
• Mentor: Tanja Jurčević-Lulić (mentor)
• Granter: University of Zagreb; Faculty of Mechanical Engineering and Naval Architecture; Zagreb
• Defense date and country: 2023-03-01, Croatia
• Scientific / art field, discipline and subdiscipline: TECHNICAL SCIENCES; Mechanical Engineering; General Mechanical Engineering (Construction)

Abstract

U ovom radu su analizirana naprezanja karabinera koji se koristi u sportskom penjanju – sve popularnijem sportu koji se u potpunosti oslanja na sigurnost opreme.
Dana je teorijska podloga o vrstama i biomehanici penjanja, opremi koja se koristi, penjačkoj tehnici i padovima. Opisani su dijelovi i osi karabinera, vrste karabinera i njihova proizvodnja. Zatim je odabran u praksi često korišteni model karabinera: D-asimetrični karabiner sa žičanim vratašcima izrađen od aluminijske legure i čeličnih vratašaca. Prema eksperimentalnim testovima padanja u literaturi, određena su maksimalna opterećenja karabinera. CAD model karabinera je napravljen u SolidWorksu, a analiza naprezanja i pomaka provedena je metodom konačnih elemenata u programu Abaqus. Tijekom odabira načina opterećenja i vrste rubnih uvjeta vodilo se računa da što bolje odgovaraju stvarnim uvjetima pada na stijeni.

Abstract (english)

This paper contains stress analysis of a carabiner used in sport climbing - an increasingly popular sport that relies entirely on the safety of the equipment.
A theoretical background was given on the types and biomechanics of climbing, equipment used, climbing techniques and falls. Parts and axis of a carabiner have been defined, as well as different types of carabiners and their production process. Next, the paper focuses on a commonly used carabiner model: a D-asymmetric carabiner made of aluminum alloy with a steel wire gate. The highest achieved force according to experimental fall tests was selected from the literature. The CAD model was created in SolidWorks and the stress and displacement analysis using the finite element method was performed in Abaqus. When choosing the loading method and type of boundary conditions, the actual conditions that occur during a fall on a rock were mimicked as closely as possible.

• Keywords: penjanje; karabiner; padovi; MKE analiza
• Keywords (english): climbing; carabiner; falls; FEM analysis
• Language: croatian
• URN:NBN: urn:nbn:hr:235:145726
• Study programme: Title: Mechanical Engineering; Study programme type: university; Study level: undergraduate; Academic / professional title: sveučilišni/a prvostupnik/ prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka strojarstva (sveučilišni/a prvostupnik/ prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka strojarstva)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Open access
• Created on: 2023-02-24 08:33:51