Utjecaj veličine zrna na kut sipanja materijala

master's thesis

• Title: Utjecaj veličine zrna na kut sipanja materijala : diplomski rad
• Title (english): Influence of particle size on angle of repose of granular material : master's thesis
• Author: Robert Lastrić
• Mentor: Dubravko Domitrović (mentor)
• Mentor: Vjekoslav Herceg (pomoć pri izradi, neposredni voditelj)
• Committee member: Dubravko Domitrović (predsjednik povjerenstva)
• Committee member: Mario Klanfar (član povjerenstva)
• Committee member: Tomislav Korman (član povjerenstva)
• Granter: University of Zagreb; Faculty of Mining, Geology and Petroleum Engineering; (Department of Mining and Geotechnical Engineering); Zagreb
• Defense date and country: 2020-10-16, Croatia
• Scientific / art field, discipline and subdiscipline: TECHNICAL SCIENCES; Mining, Petroleum and Geology Engineering; Mining

Abstract

Cilj rada je metodom podiznog cilindra na četiri različita uzorka (kvarcni pijesak, riječni šljunak, mramor i dolomit) provesti ispitivanje kuta sipanja u laboratoriju za arhitektonsko građevni kamen i rudarsku mehanizaciju. Formirana hrpa se fotografira iz više pozicija, fotografije se upisuju u program „Agisoft PhotoScan“, te se dobivaju trodimenzionalni modeli. Dobiveni trodimenzionalni modeli poslužili su za određivanje vrijednosti kuteva sipanja, te utjecaja veličine zrna na kut sipanja materijala.

Abstract (english)

The aim of the Thesis is to test the angle of repose in a laboratory for architectural building stone and mining machinery using the lifting cylinder method on four different samples (quartz sand, river gravel, marble and dolomite). The formed heap is photographed from several positions, the photos are uploaded into the "Agisoft PhotoScan" program, and three-dimensional models of the heap are obtained. The three-dimensional models were used to determine the values of angle of repose and the influence of grain size on the angle of repose of granular material.

• Keywords: rudarstvo; kut sipanja; metoda cilindra; utjecaj oblika zrna; 3D model; kut unutarnjeg trenja; brzina podizanja
• Keywords (english): lifting speed; angle of repose; cylinder method; particle shape influence; 3D model; internal friction angle; mining
• Language: croatian
• URN:NBN: urn:nbn:hr:169:442151
• Study programme: Title: Mining Engineering; specializations in: Mining engineering, Geotechnical engineering, Waste treatment and disposal; Course: Mining engineering; Study programme type: university; Study level: graduate; Academic / professional title: magistar/magistra inženjer/inženjerka rudarstva (magistar/magistra inženjer/inženjerka rudarstva)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Open access
• Created on: 2021-01-21 12:40:41