1. Life cycle environmental and cost modelling to support the development of national renovation roadmapsBen Jacobs, Els Van de moortel, Damien Trigaux, Gašper Stegnar, Ana Marija Spindler, Marjana Lutman, Meta Kržan, Karen Allacker, 2025, objavljeni znanstveni prispevek na konferenci Povzetek: In the context of the European Green Deal, achieving a climate-neutral building stock by 2050 has become a key objective. The 2024-revision of the Energy Performance of Buildings Directive (EPBD) highlights this goal by requiring EU Member States to transform their long-term renovation strategies into practical National Renovation Plans. The LIFE project GreenRenoV8 supports the practical implementation of the EPBD by developing a scalable, cost-effective methodology for deep, sustainable building renovation. By combining the environmental performance with the economic implications (both investment and life cycle cost), the project aims to identify the most cost-effective renovation strategies. GreenRenoV8 focuses on five EU Member States: Austria, Belgium (Flanders region), Greece, Italy and Slovenia. A stock modelling approach is used, starting with the identification of representative building archetypes per country. For each archetype, specific renovation strategies are developed and their life cycle environmental impact, investment cost and life cycle cost are assessed. The results are extrapolated to the national level to determine the most cost-effective measures and to prioritize these. The modelling moreover incorporates seismic resilience where required. This paper describes the approach taken within the GreenRenoV8 project to support evidence-based renovation planning that maximizes environmental impact reduction and cost-effectiveness across the EU.
Ključne besede: energy efficiency, life-cycle costing, life-cycle assessment, building stock modelling, sustainable renovation, carbon-neutral buildings
Objavljeno v DiRROS: 27.01.2026; Ogledov: 182; Prenosov: 106
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2. The border as a space of exchange in the 18th century : commissioners’ networks and Joseph Hueber’s architectural workshop in Croatia and SloveniaDubravka Botica, 2025, pregledni znanstveni članek Povzetek: In Central Europe, borders are not solid barriers but are rather fluid. Central Europe is a deeply connected cultural space of intensive exchange (M. Csáky) in which artistic production is shaped by densely intertwined mutual contacts and influences between individual countries and regions. This is particularly visible in the activities of large architectural, painting and sculptural workshops in the 18th century, which had a wide network of collaborators throughout the area. A key role in the rapid and far-reaching transfer of artistic solutions was played by the commissioners of artworks, both ecclesiastical and secular, strongly connected by a dense network of contacts that did not stop at (today’s national) borders. This paper studies the example of the activities of the architectural workshop of Joseph Hueber from Graz (1715–1787) in historical Styria, present-day Austria, and Lower Styria (present-day Slovenia) and northwestern Croatia to explore the method and scope of the workshop’s work, as well as the reconstruction of contacts between commissioners from the ranks of the Styrian, Hungarian and Croatian nobility.
Ključne besede: Central Europe, Styria, Slovenia, Croatia, Baroque architecture, borders, building workshops, Joseph Hueber, art patronage, the nobility
Objavljeno v DiRROS: 21.01.2026; Ogledov: 257; Prenosov: 116
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3. Life cycle environmental and cost modelling to support the development of national renovation roadmapsBen Jacobs, Els Van de moortel, Damien Trigaux, Gašper Stegnar, Ana Marija Spindler, Marjana Lutman, Meta Kržan, Karen Allacker, 2025, objavljeni znanstveni prispevek na konferenci Ključne besede: energy efficiency, life-cycle costing, life-cycle assessment, building stock modelling, sustainable renovation, carbon-neutral buildings
Objavljeno v DiRROS: 12.01.2026; Ogledov: 212; Prenosov: 121
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4. Dataset for the review article "From plastic use in the construction and built environment to state-of-the-art circular economy solutions to combat microplastic pollution"Katja Turk, Gabriela Kalčíková, Anita Jemec Kokalj, Branka Mušič, 2026, zaključena znanstvena zbirka raziskovalnih podatkov Povzetek: The dataset supports the data presented in the article “From plastic use in the construction and built environment to state-of-the-art circular economy solutions to combat microplastic pollution” (https://doi.org/10.1186/s12302-025-01228-0). It consists of a single Excel worksheet compiling data on the number of published studies related to microplastics in general and to microplastics originating from the building and construction sector to illustrate the evolution of research attention.
Ključne besede: microplastics, building, construction, pollution, circular economy, mikroplastika, gradbeništvo, onesnaževanje, krožno gospodarstvo
Objavljeno v DiRROS: 06.01.2026; Ogledov: 243; Prenosov: 91
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5. From plastic use in the construction and built environment to state-of-the-art circular economy solutions to combat microplastic pollutionKatja Turk, Gabriela Kalčíková, Anita Jemec Kokalj, Branka Mušič, 2025, pregledni znanstveni članek Povzetek: Plastics are widely used in the construction and building industry, accounting for 23.5% of European plastic consumption. They can replace traditional materials in various applications, including building insulation, piping, paints, adhesives, sealants, roofing, flooring, etc., serve as key components in various composites, and are indispensable for packaging materials and elements that facilitate the construction process itself. Despite their long lifespan, building materials inevitably degrade over time, releasing microplastics (MPs) that contribute to environmental pollution. According to some estimates, annual emissions of MPs in the European Union range from 0.7 to 1.8 Mt, with building paints identified as a dominant source, contributing between 231,000 and 863,000 tons per year. However, reported numbers vary significantly across studies, reflecting the substantial uncertainties still present in quantifying MPs. Now ubiquitous across ecosystems worldwide, MPs have become one of the most pressing concerns of the scientific community, leading to a rapid expansion of research in recent years. Yet less than 0.6% of studies focus on their presence in the construction and building sector, leaving this major industry largely overlooked. This review consolidates scattered knowledge by examining the applications of plastics in the construction and built environment and their role in microplastic generation throughout the materials' life cycle, from production and application to use and end-of-life management. It also examines MPs within the broader framework of sustainable development, particularly in the transition from a linear to a circular economy, where MPs could potentially be repurposed as secondary raw materials for new products. Particular emphasis is placed on recent research exploring the incorporation of MPs into construction materials, while highlighting state-of-the-art solutions that demonstrate their potential commercial viability. Moreover, this article raises awareness of the potential risks associated with such practices, offering authors’ critical perspective on existing research and emphasizing the need for a comprehensive evaluation of their impacts. By synthesizing the current state of knowledge, this review lays the groundwork for advancing future research, developing mitigation strategies, and fostering more sustainable material management in the construction and building sector.
Ključne besede: microplastics, building, construction, pollution, circular economy
Objavljeno v DiRROS: 17.11.2025; Ogledov: 305; Prenosov: 242
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6. Towards harmonized reduction of seismic vulnerability : analyzing regulatory and Incentive frameworks in the Adriatic—Ionian RegionPetra Triller, Angela Santangelo, Giulia Marzani, Maja Kreslin, 2025, izvirni znanstveni članek Povzetek: The Adriatic–Ionian region is seismically very active and poses a major challenge for risk mitigation. Each country has developed laws, standards, and techniques to reduce seismic vulnerability. The ADRISEISMIC project created a database of existing regulatory and incentive frameworks, based on a comprehensive study conducted in six countries. The study covered seismic norms, building regulations, urban planning regulations, incentive frameworks, and post-earthquake planning. A comparative matrix was developed in which key parameters, such as year of issuance, references to EU regulations, level of enforcement, mandatory status, target groups, reference period in relation to earthquake occurrence, and consideration of cultural heritage, were analyzed. The database aims to support a harmonized strategy to reduce seismic vulnerability by promoting measures based on common reference standards. This increases safety, improves the built environment, and minimizes risks to people and nature. Particular attention will be paid to historic urban areas that are both vulnerable and rich in cultural heritage. The collected regulatory and incentive framework will serve as a basis for future research to support the identification of good practices and the formulation of customized roadmaps to apply them to reduce seismic vulnerability.
Ključne besede: seismic vulnerability, regulatory and incentive frameworks, survey, seismic norms, building regulation, urban planning regulation, seismic incentive frameworks, post-earthquake planning, adriatic–ionian region, collection and systematization of documents
Objavljeno v DiRROS: 27.08.2025; Ogledov: 485; Prenosov: 391
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7. Influence of Building Envelope Modeling Parameters on Energy Simulation ResultsSimon Muhič, Dimitrije Manić, Ante Čikić, Mirko Komatina, 2025, izvirni znanstveni članek Povzetek: This study investigates the influence of input values for building energy model parameters on simulation results, with the aim of improving the reliability and sustainability of energy performance assessments. Dynamic simulations were conducted in TRNSYS for three theoretical multi-residential buildings, varying parameters such as referent model dimensions, infiltration rates, envelope thermophysical properties, and interior thermal capacitance. The case study, based in Slovenia, demonstrates that glazing-related parameters, particularly the solar heat gain coefficient (g-value), exert the most significant influence—reducing the g-value from 0.62 to 0.22 decreased simulated heating (qH,nd) and cooling (qC,nd) demands by 25% and 95%, respectively. In contrast, referent dimensions for modeled floor area proved least influential. For Building III (BSF = 0.36), dimensional variations altered results by less than ±1%, whereas, for Building I (BSF = 0.62), variations reached up to ±20%. In general, lower shape factors yield more robust energy models that are less sensitive to input deviations. These findings are critical for promoting resource-efficient simulation practices and ensuring that energy modeling contributes effectively to sustainable building design. Understanding which inputs warrant detailed attention supports more targeted and meaningful simulation workflows, enabling more accurate and impactful strategies for building energy efficiency and long-term environmental performance.
Ključne besede: building energy modeling, dynamic simulation, TRNSYS, envelope modeling parameters, building energy performance
Objavljeno v DiRROS: 19.06.2025; Ogledov: 651; Prenosov: 384
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8. Turning a point cloud into a Building Information Model (BIM) : defining and validating the accuracy requirements for existing buildingsKatja Žagar, Laurens Jozef Nicolaas Oostwegel, Katja Malovrh Rebec, 2025, objavljeni znanstveni prispevek na konferenci Povzetek: Digitization of existing buildings is one of the main future goals, leading to efficient planning, renovation and maintenance. Among the existing buildings, a significant share is protected as a cultural heritage and their management is supervised because interventions on the protected sites are limited. Building information modeling (BIM) provides the opportunity to integrate accurate as-built information into the digital environment where it can easily be accessed and used. A digital representation of building creation usually starts with the acquisition of spatial data (point cloud), which is then used to create a semantically enriched model with certain geometric accuracy (BIM). In order for the model to serve its purpose, it is important to define how accurate the model should be. Since there are currently insufficient definitions of geometric requirementsfor specific BIM use cases, the research hypothesis was that the quality of BIM greatly depends on the modeler. The identified issue was approached with a study case. Using the point cloud of the existing building, the BIM was made and validated based on pre-defined accuracy requirements. Different accuracy validation methods were used in the process. Based on the results of the study case, conclusions and recommendations for efficient BIM creation were prepared.
Ključne besede: digitalization of existing buildings, point cloud, building information model, BIM, geometric accuracy
Objavljeno v DiRROS: 18.02.2025; Ogledov: 998; Prenosov: 505
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9. Alkali-activated mineral residues in construction : case studies on bauxite residue and steel slag pavement tilesLubica Kriskova, Vilma Ducman, Mojca Loncnar, Anže Tesovnik, Gorazd Žibret, Dimitra Skentzou, Christos Georgopoulos, 2025, izvirni znanstveni članek Povzetek: This research aimed to investigate the potential of using alkali activation technology to valorize steel slag and bauxite residue for the production of high-performance pavement blocks. By utilizing these industrial by-products, the study seeks to reduce their environmental impact and support the development of sustainable construction materials. Lab-scale testing showed that bauxite pavers showed a decrease in mechanical strength with increasing replacement of ordinary Portland cement. Partial replacement up to 20% still exceeded 30 MPa in compressive strength. Steel slag-based pavers achieved the 30 MPa threshold required for the application with selected mix designs. Pilot-scale production-optimized formulations and standards testing, including freeze–thaw resistance, confirmed the technical viability of these products. Life cycle analysis indicated a 25–27% reduction in CO2 emissions for slag-based tiles compared to traditional concrete tiles. Moreover, using industrial residue reduced mineral resource depletion. This study examined the properties of the resulting alkali-activated binders, their ecological benefits, and their performance compared to conventional materials. Through a comprehensive analysis of these applications, our research promotes the circular economy and the advancement of sustainable construction products.
Ključne besede: alkali-activated materials, building materials, bauxite residue, steel slag, pavers
Objavljeno v DiRROS: 20.01.2025; Ogledov: 1018; Prenosov: 571
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10. The challenge of integrating Life Cycle Assessment in the building design process - a systematic literature review of BIM-LCA workflowsTajda Potrč Obrecht, Martin Röck, Endrit Hoxha, Alexander Passer, 2019, objavljeni znanstveni prispevek na konferenci Povzetek: To foster sustainable development in construction sectors, environmental impacts need to be reduced dramatically. The Life Cycle Assessment (LCA) technique is the most firmly established methodology used to quantify these environmental impacts and, therefore, has been applied with increasing frequency to assess the environmental performance of buildings. To effectively improve a building's environmental performance, an integration of LCA in the design process is required. This can be achieved by coupling LCA with digital design tools, e.g., Building Information Modelling (BIM). To identify the pro and cons of streamlining the integration of LCA and BIM, a comprehensive Systematic Literature Review (SLR) was performed. We identified more than 50 relevant BIM-LCA case studies and analysed the applied BIM-LCA workflows in detail. In most of the studies reviewed, the LCA has been applied in an early design stage. The authors primarily used LCA tools and manual or semi-automatic methods to exchange data between BIM models. In most cases, contemporary BIM-LCA workflows utilized conventional spreadsheets (e.g., Excel worksheets). However, the results of the analysis show that an automated link between LCA and BIM can be achieved if certain challenges are overcome. By automating exchange of information between BIM and LCA tools and improving the reliability of this process, the LCA application can be streamlined in design practice and, hence, the necessary improvements of the environmental performance of buildings can be supported.
Ključne besede: building information modelling, life cycle assessment, systematic Literature Review
Objavljeno v DiRROS: 18.03.2024; Ogledov: 1434; Prenosov: 943
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