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21.
Potresni odziv večetažnih strižnih zidanih sten in učinek utrjevanja s kompozitnimi oblogami
Petra Triller, Miha Tomaževič, Matija Gams, 2018, izvirni znanstveni članek

Povzetek: večetažnih sten, sezidanih iz modularnih zidakov, s poudarkom na opazovanju mehanizmov odziva in porušitve, ki se razvijejo v večetažnih stenah z odprtinami. Druga tema je osredotočena na raziskave utrjevanja takšnega zidovja z malto, armirano z mrežicami iz steklenih vlaken. Za raziskave smo na Zavodu za gradbeništvo Slovenije zgradili in preiskali posamezne zidove in večji trietažni preizkušanec v naravni velikosti. V cikličnem strigu pri konstantnem tlaku smo preizkusili več referenčnih in utrjenih zidov ter trietažni model dimenzij 4 x 4 m v tlorisu in višine 6,7 m. Trietažni model smo najprej obremenili do večjih, a popravljivih poškodb. Zatem smo poškodovani preizkušanec utrdili s kompozitnimi oblogami iz malte, armirane s steklenimi vlakni (GFRP), ter ga ponovno preiskali, tokrat skoraj do porušitve. V obeh primerih je bil odziv modela na vodoravno obtežbo s t. i. etažnim mehanizmom, pri katerem se večina poškodb skoncentrira v zidovih najšibkejše etaže. V zidovih smo opazili tipične strižne poškodbe z diagonalnimi razpokami. Potresno obnašanje posameznih zidov je bilo zelo podobno odzivu zidnih slopov večetažnega preizkušanca. Rezultati kažejo, da je mogoče z ustreznim načinom utrjevanja zidov doseči občutno izboljšanje potresnega obnašanja.
Ključne besede: nearmirano zidovje, laboratorijske preiskave, ciklične strižne preiskave, GFRP-kompoziti, utrjevanje
Objavljeno v DiRROS: 13.12.2023; Ogledov: 164; Prenosov: 61
.pdf Celotno besedilo (7,47 MB)
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22.
Mining waste in circular economy - legislative aspect
Senko Pličanič, Ana Mladenovič, Alenka Mauko Pranjić, Petra Vrhovnik, 2020, izvirni znanstveni članek

Povzetek: One of the common European commitments is a transition towards a green circular economy in which waste is not discarded and considered to be just an environmental problem, but should be recognized as an important potential source of raw materials for industry. In a priority order in waste management activities, introduced by the Waste Directive in 2012, recycling is set just behind the waste prevention and reuse. Many types of waste can be recycled, the most perspective being construction, industrial and mining wastes. The latter are produced and disposed of at mine sites during the excavation and processing of ore and are extremely perspective due to large quantities and remaining of different metals, however still underutilized, with low recycling rate. Many mining wastes are inert and do not releases contaminants into environment, however, some of them are problematic and even require monitoring. Reprocessing of these wastes, which include beneficiation and sequential extraction of valuable metals in the first phase and recycling of residues in both structural and civil engineering in the second phase establishes a zero waste model with several benefits for economy, environment and society. Out of the South-East European countries, North Macedonia has great potential to establish this model. As a consequence of long mining tradition and abundant ore resources, there are many mining and metallurgical tailings, on the other hand vivid economy and numerous sinks for use of recycled materials in construction sector can accommodate these quantities. However, there are open questions in terms of administrative procedures and legislation. What are those obstacles that accompany the smooth establishment of the proposed model from a legislative point of view? This paper deals with the situation in North Macedonia, in terms of opportunities, legislative options and the need to adopt new legislation, taking also into account the current problems in this field in Europe.
Ključne besede: circular economy, zero-waste approach, mining waste, construction sector, legislation, krožno gospodarstvo, pristop ničelnega odpadka, rudarski odpadki, gradbeništvo, zakonodaja
Objavljeno v DiRROS: 04.12.2023; Ogledov: 193; Prenosov: 116
.pdf Celotno besedilo (435,68 KB)
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23.
The importance of educating younger generations about raw materials and their uses in our daily life
Kim Mezga, Petra Vrhovnik, Janja Žmavc, Lidia Gullon, 2021, izvirni znanstveni članek

Povzetek: Raw materials are of great importance for humankind as they enable the development of technology, drive industry and economy, and overall the lifestyle we know today. The paper is addressing the topic of interactive learning about the mineral raw materials, i.e. metals and non-metals. Due to population growth and consequently in-creased global demand for raw materials, there is a need to educate younger generations about the raw materials and their properties and origin, so they would know from an early age where the mineral products they use come from and how purchase decisions affect the social environments of people who live in countries with resources exploitation.Todayʼs trends in mining are oriented towards more sustainable exploitation and management, taking into account the economic, social and environmental aspects. An example of such is exploitation of secondary raw materials from tail-ings and heaps. But in some countries, mining is stuck in the past, using obsolete technologies causing increased pol-lution and strongly present linear economy approaches of take-use-dispose attitudes or even unethical approaches, such as children being exploited as a cheap workforce, people being abducted, tortured and even killed over minerals (min-erals being exploited in such way are called blood or conflict minerals). Further, due to the potential negative impacts on health and safety, due to the emissions in air, water and surface disturbance, the public perception of mining is still perceived as negative in most cases. School curriculums most often lack description of current situations in the global mining. Therefore, within the EIT RawMaterials BRIEFCASE and 3D BRIEFCASE projects the project partners provide the comprehensive view of the issues of todayʼs mining and use of raw materials. The paper presents the description of both projects and the non-conventional teaching methods - the hands-on and digital tools for pupils and teachers, i.e. the briefcases, the "Briefcase of mineral applications" game, workshops and the supporting materials. The main objective of projects is to raise the pupils awareness about the utility and indispensability of minerals and mining and the consequences of their uses and production systems, which would increasein the long term the awareness about the social and environmental consequences of raw material production.
Ključne besede: raw materials, mining, pupils and students, non-conventional teaching tools, BRIEFCASE, 3D BRIEFCASE, curricular planning, EIT RawMaterials
Objavljeno v DiRROS: 04.12.2023; Ogledov: 203; Prenosov: 96
.pdf Celotno besedilo (988,03 KB)
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24.
Explore the briefcase - learning about raw materials through non-conventional teaching tools
Kim Mezga, Petra Vrhovnik, Dragana Šolaja, Lidia Gullon, Alenka Mauko Pranjić, Ainara Garcia Uriarte, 2019, izvirni znanstveni članek

Povzetek: We live in a material world where the markets are flooded with all kinds of products. At the same time, we are facing a population growth, as well as a product demand growth. But, are we aware of the raw materials needed for our favourite daily products? In which part of the world are they extracted? Do we recognize the value chains from the mine to the product? And, where do these products end up after we use them? Many school curriculums include this topic only briefly, thus there is a need to raise awareness among youngsters about mining and raw materials in general. EIT RawMaterials funded by the European Commission, is the largest community dealing with raw materials in Europe. One of its main objectives is to raise awareness among general public about the raw materials and their indispensability, about the consequences of their uses, about the mining and production systems as well as about the utilization and recycling. Innovative and attractive pathways are employed in the process. One of the projects bringing raw materials and mining closer to pupils is the BRIEFCASE project. Using non - conventional teaching methods, tools and guided workshops, the project provides pupils with a unique hands - on experience. It draws their attention to raw materials and their applications and helps pupils recognize minerals in products we use every day. Besides emphasizing the importance of minerals in our everyday life and addressing sensible issues like conflict minerals, the consequences of our purchase decisions, the sustainability of mining operations and their environmental implications are also presented.
Ključne besede: Project BRIEFCASE, minerals, raising awareness, non-conventional teaching tools, EIT RawMaterials, award
Objavljeno v DiRROS: 21.11.2023; Ogledov: 765; Prenosov: 137
.pdf Celotno besedilo (492,63 KB)
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25.
Closing data gaps and paving the way for pan-European fire safety efforts : Terminology of fire statistical variables
Martina Manes, Ana Sauca, Mohamad El Houssami, Petra Andersson, Colin McIntyre, Richard Campbell, David Rush, Anja Hofmann, Peter Wagner, Sergei Sokolov, Mindel Leene, Margrethe Kobes, Dirk Oberhagemann, Nicola Rupp, Grunde Jomaas, Friedrich Grone, Eric Guillaume, 2023, izvirni znanstveni članek

Povzetek: A well-defined terminology of fire-related variables is important for correct analyses and supporting knowledge-based decisions regarding the evaluation of building fires at the European level. After developing an overview of current practices for fire statistics in Part I, the terminology used and the data collected by the EU Member States and eight other countries regarding fire incidents, property damage and human losses were mapped to increase awareness of their practice and support a comprehensive assessment of several fire statistical datasets. A questionnaire was distributed to relevant authorities responsible for the collection, elaboration/analysis, and fire statistical data publications to define and select the essential variables for an appropriate fire assessment and fire incident description. Based on the results of the questionnaire able to identify the essential fire statistical variables and a detailed analysis of current definitions adopted in the fire statistics of the EU Member States and other countries, a common terminology is proposed to collect the necessary data in the EU Member States and obtain meaningful datasets based on standardised terms and definitions. The results will generate essential outputs to move towards harmonised fire statistics at the EU level and contribute to an appropriate analysis able to improve fire prevention and fire mitigation in building fires.
Ključne besede: fire statistics, fire incidents, building fires, fire statistical variables, terminology
Objavljeno v DiRROS: 13.11.2023; Ogledov: 288; Prenosov: 145
.pdf Celotno besedilo (1,11 MB)
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26.
Closing data gaps and paving the way for pan-European fire safety efforts : Part I
Martina Manes, Mohamad El Houssami, Richard Campbell, Ana Sauca, David Rush, Anja Hofmann, Petra Andersson, Peter Wagner, Sergei Sokolov, Johanna Veeneklaas, Margrethe Kobes, Dirk Oberhagemann, Nicola Rupp, Grunde Jomaas, Friedrich Grone, Patrick van Hees, Eric Guillaume, 2023, izvirni znanstveni članek

Povzetek: The analysis of the current state of fire statistics and data collection in Europe and other countries is needed to increase awareness of how fire incidents affect buildings and to support pan-European fire prevention and fire mitigation mea- sures. The terminology and data collected regarding fire incidents in buildings in the EU Member States were mapped to obtain meaningful datasets to determine common terminology, collection methodology, and data interpretation system. An extensive literature review showed that fire data collection systems have been instrumental in informing firefighting strategies, evidence-based planning, prevention, and educational programmes. Differences and similarities between fire data collection systems were also investigated. The amount and quality of the information in fire statistical recording systems appear to be influenced by the complexity and structure with which the data are collected. The analysis also examined the existing fire statistics in the EU Member States and a few other countries. Finally, a detailed investigation of the number of fires, fire deaths, and injuries from 2009 to 2018 in several countries was examined based on data from a report by CTIF. The trends showed differences attributable to the existing fire statistical practices in terms of terminology and data collection, and interpretation. Part II proposes a common terminology for selected fire statistical variables. The results provide relevant information regarding fire safety at the European level and should be used to guide the development of more uniform fire statistics across Europe.
Ključne besede: fire statistics, fire incidents, fire statistical variable, terminology, data collection, data interpretation
Objavljeno v DiRROS: 13.11.2023; Ogledov: 359; Prenosov: 106
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27.
Unveiling the structural mechanism of a G-quadruplex pHeDriven switch
Petra Galer, Baifan Wang, Janez Plavec, Primož Šket, 2023, izvirni znanstveni članek

Objavljeno v DiRROS: 10.11.2023; Ogledov: 244; Prenosov: 146
.pdf Celotno besedilo (2,63 MB)
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28.
Sub-THz acoustic excitation of protein motion
Petra Papež, Franci Merzel, Matej Praprotnik, 2023, izvirni znanstveni članek

Objavljeno v DiRROS: 06.11.2023; Ogledov: 220; Prenosov: 107
.pdf Celotno besedilo (6,52 MB)
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29.
Projections of the European Green Deal into national strategic documents in the Czech Republic : the case of forestry
Petra Palátová, 2023, objavljeni znanstveni prispevek na konferenci

Ključne besede: circular economy, forestry, sustainability, bioeconomy, content analysis
Objavljeno v DiRROS: 06.10.2023; Ogledov: 241; Prenosov: 98
.pdf Celotno besedilo (114,50 KB)

30.
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