Procjena distribucije veličina i oblika blokova u stijenskoj masi

master's thesis

• Title: Procjena distribucije veličina i oblika blokova u stijenskoj masi : diplomski rad
• Title (english): Assessment of block size and shape distribution in rock mass : master's thesis
• Author: Dario Berlančić
• Mentor: Petar Hrženjak (mentor)
• Committee member: Petar Hrženjak
• Committee member: Antonia Jaguljnjak-Lazarević
• Committee member: Trpimir Kujundžić
• Granter: University of Zagreb; Faculty of Mining, Geology and Petroleum Engineering; (Department of Mining and Geotechnical Engineering); Zagreb
• Defense date and country: 2013-02-21, Croatia
• Scientific / art field, discipline and subdiscipline: TECHNICAL SCIENCES; Mining, Petroleum and Geology Engineering; Mining

Abstract

Distribucija veličina i oblika blokova važna je karakteristika stijenske mase kojom se na temelju
geometrijskih značajki diskontinuiteta opisuju očekivane veličine i oblici blokova, što je važno
tijekom izvođenja bilo kojeg inženjerskog zahvata u stijenama. Procjena distribucije veličina i
oblika blokova u ovom radu napravljena je pomoću postavljenog i proračunatog modela stijenske
mase uzimajući u obzir setove diskontinuiteta utvrđene u kamenolomu “Ivanec” u blizini Zagreba.
U proračunu modela stijenske mase korišteni su open source programi R i GNU Octave.
Programska okolina R korištena je u segmentu statističke obrade podataka, dok je GNU Octave
korišten u samom proračunu modela zasnovanom na teoriji blokova. Distribucija veličina blokova
prikazana je u obliku granulometrijske krivulje, dok je distribucija oblika blokova prikazana na
trokutnom dijagramu. Podaci o veličini i obliku blokova imaju svoju primjenu u sustavima
kategorizacije stijenske mase, optimizaciji parametara miniranja, analizi stabilnosti iskopa u
diskontinuiranim stijenskim masama, te odabiru tehnologije dobivanja mineralne sirovine.

Abstract (english)

Abstract: Distribution of sizes and shapes of blocks is an important characteristic of the rock mass which,
based on the geometric features of discontinuities, describe the expected sizes and shapes of blocks,
which is important during the construction of any engineering structures in the rocks. Assessment
of the block sizes and shapes distribution in these thesis is made by rock mass model which is
based on measured discontinuities in a quarry “Ivanec” near Zagreb. Open source programs R and
GNU Octave were used in the calculation of a rock mass model. R programming environment has
been used in the field of statistical analysis of data, while the GNU Octave has been used in the
calculation of model based on the theory of blocks. The block size distribution is presented in the
form of a block distribution diagram, while the block shape distribution is shown by triangular
diagram. Informations about block sizes and shapes can be used in rock mass classification
systems, blasting parameter optimization, stability analysis of excavations in jointed rock masses,
and the selection of excavation technology to obtain mineral raw materials.

• Keywords: distribucija veličina blokova in situ; distribucija oblika blokova in situ; teorija blokova; programska okolina R; programska okolina GNU Octave; open source; kumulativna krivulja distribucije volumena blokova; trokutni dijagram distribucije oblika blokova
• Keywords (english): in situ block size distribution; IBSD; in situ block shape distribution; block theory; R programming environment; GNU Octave programming environment; open source; cumulative distribution function; CDF; triangular diagram
• Language: croatian
• URN:NBN: urn:nbn:hr:169:600705
• Study programme: Title: Mining; 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: Access restricted to students and staff of home institution
• Created on: 2016-01-19 10:27:07