Jelena Marković

Faculty of Mining, Geology and Civil Engineering, University of Tuzla · Geoenvironmental engineering

Mine fires are common the underground exploitation of mineral raw materials. With the development of mining science and practice, the methods of extinguishing mine fires using new methods and materials were also developed. Today, in mining practice, direct fire extinguishing with water or fire extinguishers, isolation of oxidation zones with insula...

Brown coal mining conducted at greater depths, characterised with severe mining-geological conditions often results in deviation from the applied mining methods. Experiences gained in mechanised longwall mining of roof plate in deeper parts of Raspotočje mine, using method of roof caving without safety pillars left behind the working panels indicat...

Safety risk management in Bosnian-Herzegovinian underground coal mines is not based on a systematic approach and standardized risk management methods. Mostly there is a traditional approach present, i.e. reaction to incidents/accidents that happen. This paper aims to point out the need for proactive approach introduction with an emphasis on importa...

Bosnia and Herzegovina is a country with a very high risk of floods, which is documented in Vulnerability assessment, where it is defined that "floods represent the greatest danger for community and its population". Due to climate changes in recent decades, floods have become one of the most serious forms of threat to the population and material as...

Future and further development of energy and mining sector in Bosnia and Herzegovina is fully dependant on EU energy and climate goals adopted by Bosnia and Herzegovina through Agreement on Establishment of Energy Community. It concerns a series of concrete actions including carbon tax, market model incentives for renewable energy and gradual suspe...

Fire protection engineering primary task is to find optimal solutions for preventive fire protection measures by applying scientific achievements through fire risk assessment and quantification. A special challenge for the fire protection management are buildings that have multiple users, so-called public buildings. Current legislation in the Feder...

Possible occurrence and propagation of deposited coal dust explosion in Bosnian-Herzegovinian mines is being prevented by moistening with water in both non-methane and methane coal mines. In methane mines, the most common coal dust explosion initiator is a local methane explosion. As it is a strong initiator, it is considered that prescribed moistu...

Professional exposure of workers to inhalable dust of hard wood (oak and beech tree) is the most spread in wood processing industry of Bosnia and Herzegovina, and presents a major health issue. Long-term exposure of workers to dust particles of various size, concentrations and composition, produced by machine processing of hard wood is tied to seri...

This paper summarizes research on the minimum ignition energy (MIE) of brown coal and lignite dust clouds, as well as the impact of all relevant parameters on the ignition energy of coal samples collected from Bosnian-Herzegovinian mines. The tests were performed for two types of test samples, namely: coal samples from the entire profile of the roo...

Ovaj rad daje pregled ispitivanja minimalne energije paljenja (MIE) oblaka prašine mrkog uglja i lignita, kao i uticaj svih relevantnih parametara na energiju paljenja uzoraka uglja prikupljenih iz bosansko-hercegovačkih rudnika. Ispitivanja su provedena za dvije vrste ispitnih uzoraka i to: uzorci uglja iz cijelog profila jamske prostorije (ugalj...

Controlled air recirculation for ventilation of mine tunnels in Bosnia and Herzegovina mines, as in most other countries, is prohibited by law. In the past few years a lot of professional and scientific papers about controlled air recirculation have been written, which are based on computer simulations. In addition several experimental studies givi...

Sažetak: Zapaljive tekućine su se tradicionalno skladištile u metalnim posudama, ali posljednjih godina, iz komercijalnih razloga,za njihovo skladištenje i transport sve više su u upotrebi plastične posude raznih oblika, veličina, vrsta i materijala. Međutim, većina plastičnih materijala su električni izolatori i imaju tendenciju zadržavanja elektr...

Procjena učinkovitosti inertizacije prašine ugljena dodavanjem inertne komponente predstavlja važan korak u borbi protiv eksplozija prašine ugljena. Pored utvrđivanja sadržaja čvrstih nesagorivih komponenti u prašini ugljena, koji čine prašinu neeksplozivnom, važno pitanje je i učinak inertizacije na plinski sastav obzirom da najveći broj rudara st...

Procjene rizika u različitim sferama ljudskog života zajedno sa aktivnostima koje se poduzimanju tijekom posljednja dva desetljeća igraju ključnu ulogu u prevenciji gubitka ljudskih života, materijalnih, finansijskih i drugih šteta, osobito kada se promatraju regije i područja koja su sve više izložena potencijalnim katastrofalnim događajima, priro...

Fire Safety in Buildings, A Western Balkan approach and practice This book is the result of K-FORCE Erasmus + project, aimed to establish and improve higher and life-long education in the field of Disaster Risk Management and Fire Safety in the Western Balkans.

Ova knjiga je nastala kao rezultat saradnje učesnika Knowledge FOr Resilient soCiEty (K-FORCE) - Znanje za otporno društvo (K-FORCE) Erasmus + projekta, čiji je cilj da unapredi postojeće i uspostavi nove programe visokog obrazovanja i celoživotnog učenja u oblasti upravljanja rizicima od katastrofalnih događaja i požara na zapadnom Balkanu.

Dangers of fire outbreak during processing and storing of oilseeds can be pronounced if proper protective measures aren’t taken. There’s a great risk of self-heating and spontaneous combustion of the oilseed mass during storage in silos due to inadequate and unprofessional management of the technological process. Since spontaneous combustion can re...

Cilj rada je rasvjetljavanje akcidenta koji se desio 2009. godine u jami „Stranjani“ RMU Zenica kada je došlo do lokalne upale metana tokom izolacije komornog otkopa u kome se odvijao oksidacioni proces. Prilikom analize scenarija akcidenta u komornom otkopu, od momenta pojave oksidacionog procesa do upale metana, uz pomoć CFD simulacije gasno-vent...

This paper deals with an accident that took place in 2009 in „Stranjani“ underground mine, an operation of Zenica brown coal mines, when methane ignition occurred during the sealing of chamber workings in which oxidation process was in progress. Analysis of accident scenario from the moment of oxidation process occurrence until the ignition of meth...

The K-FORCE Glossary of Terms in DRM and Fire Safety represents the selection of key words and terms characteristic for the Disaster Risk Management and Fire Safety area in frequent use in the Western Balkans.

Sažetak-Tehnologiju oplemenjivanja rovnog ugljena, osobito suhim postupkom, karakterizira visoka emisija prašine u radni prostor. Procjena rizika od eksplozije ugljene prašine temelji se, među ostalim, na identifikaciji mjesta s povećanim emisijama prašine, mjerenjima intenziteta izdvajanja i taloženja prašine u radni okoliš te mjerenju rasprostran...

Flood vulnerability assessment is one of the most important actions in the framework of the spatial planning. In this paper are shown the result of the preliminary flood assessment for the river Spreca basin. Individual parameters of vulnerability, as direct requirement of the Flood Directive are observed trough four dimensions: social, economic, p...

An assessment of the effectiveness of inertization of coal dust with inert dust is an important step in prevention of coal dust explosions. According to the tests on their explosive properties, coal dusts from all the mines in Bosnia and Herzegovina present an explosion hazard. The measure applied in order to prevent the transmission of deposited c...

Significant quantities of slag and ash are produced as side burning products in thermal power plants. It concerns a solid technological waste that requires proper disposal. The slag and ash produced by coal combustion contain various elements including heavy metals with toxic properties. Soil used for agricultural purposes in the vicinity of the de...

Posljednjih godina poplave intenzivno pogađaju područje Tuzlanskog kantona. Indikativno je da se poplave ponavljaju, skoro svake godine, na istim područjima. Na području općine Lukavac među identificiranim hazardima su rušenje brane „Modrac“ i bujične poplave koje nanose velike materijalne štete gospodarstvu, poljoprivredi i stambenim objektima. Ug...

According to the test results of explosive characteristics, all types of coal from the mines in Bosnia and Herzegovina have been classified as dangerous explosive dust. This paper reviews the effect of oxygen volume content in air on the explosive characteristics of brown coal dust. Tests was performed in laboratory conditions by the method describ...

U mnogim granama industrije mogu se stvoriti smjese zapaljivog plina ili pare s prašinom u zraku, kisiku ili nekom drugom plinu koje se označavaju kao hibridne smjese. U podzemnim rudnicima ugljena hibridnu smjesu najčešće formiraju metan – ugljena prašina – zrak. Utjecaj metana na eksplozivne karakteristike ugljene prašine je dokazan, ali nije pot...

Surface coal mining has caused significant pollution and degradation of the land area directly affecting the quality of the basic elements of the environment. Water, air and soil are threatened by surface coal mines, all depending on the applied mining technology, hired equipment and machinery, as well as the working environment. Truck transport of...

This paper shows rezultes of the chemical analyses of sedimentary deposits on the mount of the Spreča river into Modrac accumulation whose goal is determination of qualitative and quantitative composition and its possible usige in a comertial purposes.

Knjiga obrađuje opasnosti od požara i eksplozija u industriji, sa posebnim osvrtom na podzemno rudarstvo, kao jednu od ekstremnijih ljudskih proizvodnih djelatnosti, uzevši u obzir uslove u kojima se obavlja. Kao poseban doprinos, ističemo prikupljene i prvi puta objavljene detaljne ekspertne izvještaje iz nekoliko katastrofalnih i tragičnih požara...

U radu je prikazan razvoj endogenog požara u sušari sačme uljane repice, nastao kao rezultat oksidacionih procesa i djelovanja mikroorganizama, koji je nakon perioda inkubacije prerastao u otvoreni požar. Analiza uzroka izbijanja požara koji se desio u objektu sušate pokazala je da nedovoljno poznavanje mehanizma nastanka požara može dovesti do ra...

Municipality of Tuzla, according to air quality, represents a vulnerable environment in BiH for years. Emissions of gaseous pollutants and dust particles are being generated from Power Plant (TE) Tuzla, individual furnaces, chemical industry and automobile traffic. Daily monitoring of air pollution is being conducted in the city of Tuzla, but witho...

Eksploatacija uglja na PK Grivice RMU „Banovići“ je karakterizirana odvoženjem jalovine na vanjsko odlagalište, locirano 700 m od površinskog kopa. Jednim dijelom trasa kamionskog transporta prolaze kroz naselje Mrdići, čime vrše direktan uticaj na životnu sredinu ovog naselja, u smislu pojačane imisije lebdeće i taložne prašine. Cilj rada je bio...

Spontaneous mine fires present a complex and frequent occurrence in the process of coal exploitation. However, occurrence of fire in bauxite deposit, as a result of oxidation process in the vicinal coal outcrop deposits is very rare and uncommon, since coal, by its origin, is not an accompanying rock to bauxite deposits. The paper gives an overvie...

This work presents some research results on the influence of the longwall face advance rate on the release of methane in a mining field. The functional relation between the advance rate (n), ie output (p), and release of methane (M {sub a}) has been obtained by means of a single-factorial regression analysis. Relation between the release of methane...