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STEPGRAD XVII (2026)

Published: 01.06.2026.

The Architecture of Emptiness is an urban-architectural approach that focuses on the qualities and possibilities of unbuilt space, giving it primacy over built space. The proposed approach explores how emptiness can act as a generative force for urban-architectural pieces and how, in return, it echoes its built and natural environment. It highlight...

By LJILJANA ČAVIĆ

This paper presents a critical review of passive and semi-active structural control systems for improving seismic performance and resilience. It synthesizes fundamental control principles with recent advances in energy dissipation technologies. Emphasis is placed on experimental validation to bridge the gap between analytical models and real struct...

By ZORAN RAKICEVIC, ALEKSANDRA BOGDANOVIC

Urban environments are increasingly affected by air pollution and urban heat island (UHI) effects, requiring integrated monitoring approaches. Within the Space It Up! project, this work presents coordinated research lines combining Earth Observation (EO) data and data-driven methods. The air quality component includes methane screening, multi-sourc...

By VASIL YORDANOV, ALBERTO VAVASSORI, SADRA ZAHED KACHAEE, CLAUDIA ISABELA SAUD MINO, MATEJ ZGELA, AFSHIN MOAZZAM, MARIA ANTONIA BROVELLI

This study analyses daylight availability in a faculty lecture classroom using illuminance measurements and a survey of students. The results of the measurements conducted in mid-February showed that the recommended horizontal illuminance level (300 lx) was achieved at 50% of the measurement points around midday (12:00 h and 14:00 h), while only 0&...

By JELENA KLJAKIĆ, BILJANA ANTUNOVIĆ, LJUBIŠA PRERADOVIĆ, DARIJA GAJIĆ, SLOBODAN PEULIĆ, MILAN PUPČEVIĆ, MILOVAN KOTUR

Modernist architecture in Bosnia and Herzegovina remains marginalised within official heritage frameworks, with only limited institutional recognition. This study explores social media as an extended research environment for examining contemporary perceptions and social constructions of modernist heritage values. Using a case study of Kazimir Ostro...

By NEVENA NOVAKOVIĆ, ALEKSANDAR MARIĆ

Architectural education has often advanced at a slower pace than the rapid transformations of spatial practice and society. Within this imbalance, the architectural workshop emerges as a condensed yet intensive format of experimentation, providing a distinctive environment for testing pedagogical approaches. This study critically examines the works...

By IGOR KUVAČ, NEVENA NOVAKOVIĆ

Wind action on engineering structures can cause significant consequences. Arched structures covered with textile membranes (balloon halls) are particularly vulnerable. This paper presents a study of wind action on structures with arched roofs and flat gable walls. The analysis was conducted using Computational Fluid Dynamics (CFD), with variations ...

By DANIJELA ĐURIĆ MIJOVIĆ, TODOR VACEV, VUK MILOŠEVIĆ, DRAGAN KOSTIĆ, DANIJELA MILANOVIĆ

01.06.2026. Research paper Architecture
REASSESING MODERNISM THROUGH THE YUGOSLAV LENS

Postwar modernist urbanism remains labelled by dominant narratives that frame modernism primarily through failure and postmodern rejection. While critiques of modernist planning have largely emerged from Western European and North American contexts, this study argues that such interpretations cannot be universally applied. The paper provides new ar...

By DIMITRIJE IGNJATOVIC

Urban heritage sites that have undergone radical spatial transformation present major challenges for conservation practice and urban planners. This paper examines the research methodology behind the revitalization project of the former Tutunović Podrum site in the Palilula municipality of Niš. Once the geometric and social centre of the dist...

By NATAŠA ŽIVALJEVIĆ LUXOR

The focus of this research is the revitalization of Serbia's industrial heritage. The study examines the factors that influence the success or failure of revitalization projects. The aim of the research is to identify which factors are crucial for the successful implementation and sustainability of a revitalization project. The study employs the me...

By BOJANA MIRKOVIC

This paper analyzes the morphogenesis of suburban settlements within the periphery of Banja Luka, tracing their development from the mid-twentieth century to the present. The research identifies several phases of suburban growth shaped by social crises, migration, post-war reconstruction, and transitional conditions. Through the examination of spat...

By ZORAN ULJAREVIĆ, MALINA ČVORO, IGOR KUVAČ

This paper examines planning possibilities for adapting semi-public schoolyards into a network of open public and green spaces which contributes to urban resilience in the context of reduced public areas and exacerbated urban microclimate. The aim is to provide new understanding of resilience in the context of urban planning of schoolyards as open ...

By ANA ŠPIRIĆ, SANJA TRIVIĆ

The paper examines the key factors shaping quality of life in contemporary apartments, in line with 21st-century needs, with a focus on the post-pandemic period. The COVID-19 pandemic altered housing patterns: during restricted mobility, the apartment took on the functions of home, work, recreation, and recovery, thereby redefining comfort criteria...

By MATIJA VUJOVIĆ

The urban transformation of Banja Luka, which during the final period of socialism (1975–1990), was guided by the City’s Urban Plan, has proceeded without a clear strategic vision of urban development since the late 1990s. During this period, the city developed according to detailed regulatory plans and was strongly influenced by neolib...

By BRANKICA MILOJEVIĆ

Globalization, the crisis of urban identity, and the endangerment of authentic urban patterns, morphology, and the image of the city represent significant challenges in urban planning and architectural practice. The relevance of this topic has been recognized and, among other aspects, will be the focus of this paper, which includes a case study of ...

By VALENTINA JANIČIĆ MILOVANOVIĆ, NEBOJŠA KNEŽEVIĆ, DAJANA ĐUKA

This paper examines continuity and discontinuity in Banja Luka’s urban regulation strategies, focusing on the evolution of the open regulation model as a flexible framework for managing the urban landscape. The study highlights its persistence through diverse historical and conceptual approaches and identifies key phases of urban development ...

By DIJANA SIMONOVIĆ

Blackwater, the wastewater stream with the highest sanitary and energy load, is increasingly seen as a resource within circular urban systems. This paper explores its valorization through anaerobic digestion and decentralized planning. Using Banja Luka as a case study, key energy, economic, and spatial thresholds for local treatment feasibility are...

By UNA OKILJ, PETAR GVERO, DARIJA GAJIĆ

This study focuses on collecting data on non-existent architectural heritage and transforming it into structured input for AI visualization, based on the case study of the Chapel of Saint Petka in Brestač, which was demolished after the Second World War and the early communist period. Archival documents, cartographic sources, and interviews with wi...

By UNA RADIVOJEVIĆ

There are numerous membrane-covered sports facilities in Niš. They have become popular over the last two decades due to their low cost and rapid construction. However, they are known to provide poor indoor thermal conditions, and methods for improving their performance are still being investigated. This research forms part of that effort. A ...

By VUK MILOŠEVIĆ, DRAGAN KOSTIĆ, SNEŽANA ĐORIĆ VELJKOVIĆ, SONJA KRASIĆ

Over 22% of the whole Serbian population represent the elderly, i.e. the people aged 65 and above. Accordingly, national policies had to be adjusted to this growing demographic group. However, there is a gap relating territorial aspects of ageing in Serbia, crucial for the mobility of the elderly people. An umbrella document – the National st...

By BRANISLAV ANTONIĆ, VLADIMIR MIHAJLOV, ALEKSANDRA STUPAR

This paper discusses implementation as a critical phase of urban planning, where adopted policies and planning intentions are translated into spatial and social outcomes. It examines the regeneration of public open space (POS) in inherited large housing estates, exploring the interaction between urban plans, urban design projects, and operational p...

By MILENA DINIĆ BRANKOVIĆ, JELENA ĐEKIĆ, MILICA LJUBENOVIĆ, MILICA IGIĆ

Pedestrian route choice in cities depends both on the overall structure of the street network and on local decisions made at points of directional change. While space syntax has shown the importance of configurational relations, wayfinding and navigation tasks point to additional cognitive mechanisms related to landmarks, route legibility, and task...

By MAJA ILIĆ, DAJANA PAPAZ, ANDREJ SIMIĆEVIĆ

This study examines how architectural design education addresses environmental and social responsibility. Using New European Bauhaus (NEB) categories as a value framework, design results from two architecture schools were compared. It questions how students express environmental awareness and social responsibility, and how disciplinary autonomy can...

By ANA NIKEZIĆ, MILENA GRBIĆ, OLIVERA DULIĆ

The city of Niš, Serbia, has been an industrial production hub since the liberation from Ottoman rule and the construction of the railway infrastructure at the end of the 19th century. Following the aftermath of World War II, the city of Niš experienced an industrial bloom – redefining the urban landscape with numerous industria...

By UROŠ ANTIĆ, ALEKSANDAR KEKOVIĆ

The paper explores the impact of location on the architectural form of family corner houses built during the interwar period and designed in the spirit of modernism. The specificity of a corner house's design lies in its conditioning by its urban position; on the other hand, a corner location demands that the house stands out as a landmark within t...

By JASNA GUZIJAN, SINIŠA CVIJIĆ, MIROSLAV MALINOVIĆ

Green architecture is recognized not only for its environmental and social advantages but also for its financial and market benefits. The study combines a quantitative analysis of operational cost reduction and investment return with a qualitative assessment of property value and socio-economic impacts. Case studies and literature illustrate both m...

By LJILJANA STOŠIĆ MIHAJLOVIĆ, MARIJA MIHAJLOVIĆ

Decarbonizing the existing building stock requires moving beyond an approach based solely on reducing operational energy consumption and toward an integrated life-cycle assessment perspective. The standardization framework for building renovation encompasses energy performance, life-cycle assessment (LCA), environmental product declarations (EPDs),...

By SLOBODAN PEULIĆ, DAVID CHRISTIAN FINGER

This paper examines the development of forms in memorial architecture, from prehistoric structures to abstract monuments. It demonstrates how basic patterns such as circular structures, pyramidal forms, and simple geometric shapes have established enduring principles in memorial design. Over time, these forms have evolved under the influence of rel...

By SANJA SPASIĆ ĐORĐEVIĆ, VLADAN NIKOLIĆ, OLIVERA NIKOLIĆ, JASMINA TAMBURIĆ

The URBACT EU programme launched a special call – URBACT Pioneer Accelerator – for small-scale projects in the Western Balkan cities in early 2025. Niš in Serbia is among the cities selected to implement it in the topic of urban nature. A specific of this URBACT call is its final step – a concrete pilot at local level. In t...

By IVAN SIMIĆ, BRANISLAV ANTONIĆ, IVANA MILJANOVIĆ

The buildings of the Central Committee of the League of Communists of Yugoslavia in Skopje, Zagreb and Belgrade form a corpus of socialist modernist architecture in which spatial organisation structured political authority across diverse urban contexts. Developed within a shared modernist framework, they articulated governance through controlled ac...

By TAMARA KONESKA

Contemporary urban transformations in smaller historic cities often threaten spatial and cultural identity due to context-insensitive design. This paper explores the role of contemporary architecture in preserving and reinterpreting urban identity, using Novi Pazar and Prvomajska Street as a case study. The research combines theoretical concepts of...

By ELMA MAHMUTOVIĆ, ANICA DRAGANIĆ, DRAGANA KONSTANTINOVIĆ

The subject of this paper is the analysis of modernist Yugoslav architectural heritage through the lens of memorial architecture, created during the post-war period of the country's reconstruction. The modern architectural style in Yugoslavia developed in a unique way compared to other countries, through the construction of monuments that, in addit...

By VUKAŠIN STEFANOVIĆ, ANA MOMČILOVIĆ PETRONIJEVIĆ, ANĐELA STEVČIĆ

This paper reframes the research question of housing by shifting the focus from the optimization of the universal housing types toward an investigation of dwelling as a dynamic, relational and experiential process. The study proposes an integrative conceptual framework based on three theoretical approaches  phenomenology (of space), performa...

By MONIKA BILBIJA

Railway infrastructure played a significant role in the economic, spatial, and social development of Europe, while stations built after 1880 in Serbia today represent an important part of its architectural and cultural heritage. With the ongoing decline in railway transport, many stations are being abandoned and deteriorating, which highlights the ...

By ANĐELA STEVČIĆ, ANA MOMČILOVIĆ PETRONIJEVIĆ, VUKAŠIN STEFANOVIĆ

Inherited multi-family housing estates from the socialist period remain a major residential layer in the former Yugoslav republics, while their public open spaces (POS) often decline under post-socialist governance and market pressures. This paper provides a selective overview of three good-practice pathways for (re)creating POS: participatory upgr...

By IVANA BOGDANOVIC PROTIC, LJILJANA VASILEVSKA, JELENA ŽIVKOVIĆ, MILICA LJUBENOVIĆ, MAGDALENA SLAVKOVIĆ

Heritage buildings represent tangible links between present and past; embody the creativity and traditions from past generations. The distinctive character of these buildings, primarily expressed through their authenticity and inherited values, emphasizes the need for innovative and carefully adapted conservation approaches. In this context, the pr...

By JASNA GRUJOSKA-KUNESKA, VERONIKA SHENDOVA

01.06.2026. Preliminary report/Short communication Architecture
ACTUALIZING SPACE: HIERARCHY AND EVENT IN ORTHODOX CHURCH ARCHITECTURE

This paper examines Orthodox church architecture through the concept of actualizing space, proposing that sacred architecture becomes fully intelligible only through the liturgical event that activates its spatial structure. Rather than focusing on stylistic continuity, the study interprets church architecture as a hierarchical and sequential spati...

By MARKO BILBIJA, MONIKA BILBIJA

This research is inspired by the acquiring of the personal and professional archive of the architect Petar Vulović (1931 – 2017) by University of Banja Luka Faculty of Architecture, Civil Engineering and Geodesy. Vulović was a distinguished architect of high-to-late modernism in Yugoslavia, whose body of work progressively came to be treated ...

By OGNJEN ŠUKALO, MAJA MILIĆ ALEKSIĆ, DIANA STUPAR

Membrane halls represent a specific category of light, membrane constructions that are widely used for sports and recreational purposes due to their quick construction and economic efficiency. However, their application is often accompanied by challenges related to inadequate thermal performance, suboptimal daylight conditions and limited architect...

By JELENA SAVIĆ, DUŠAN RANĐELOVIĆ, MIOMIR VASOV, JELENA STEVANOVIĆ

This study examines student creative collectives as semi-professional formations linking architectural education and practice, focusing on micro-level team dynamics. Four APLExMANIA teams are evaluated across four domains: group formation, extra-curricular learning, visibility networks, and latent capacity. Using a joint display approach, the resea...

By DIANA STUPAR, DAJANA PAPAZ, ALEKSANDAR MARIĆ

01.06.2026. Preliminary report/Short communication Architecture
ENERGY PERFORMANCE OF MEMBRANE SPORTS HALLS: COMPARATIVE ANALYSIS ACROSS CLIMATIC CONTEXTS

Due to their structural flexibility and rapid construction, membrane sports halls are an increasingly common solution for sports facilities. In this paper, the annual energy consumption of membrane halls in five different climate contexts was analyzed using simulations conducted in EnergyPlus: Prague, Cannes, Niš, Bergen, and Dawadmi. The re...

By DUŠAN RANĐELOVIĆ, VLADAN JOVANOVIĆ, MIOMIR VASOV, JELENA SAVIĆ, JELENA STEVANOVIĆ

Concrete is widely used, but its production consumes natural resources and generates significant CO₂ emissions. Modern construction requires structural stability and durability while reducing environmental impact through sustainable materials. This study investigated the use of PVC sawdust as a partial replacement for fine aggregate and metakaolin ...

By NATALIJA BEDE ODORČIĆ, LUCIJA KRAPČIČEK

Climate changes in recent decades have led to an increase in hydro-meteorological hazards, posing increasing risks to hydropower infrastructure in mountainous river basins. In the Black Drim Basin, extreme precipitation, erosion, landslides, sediment transport, and debris accumulation threaten dam safety, functionality and operational reliability. ...

By IGOR GJORGJIEV, MARIJA VITANOVA, BORJAN PETRESKI, ANA NANEVSKA JULOSKA, TRAJCE ZAFIROV, VLATKO SHESHOV

Abrasion resistance is a critical durability parameter of foamed concrete applied in floor screeds and wear - exposed surface layers. Owing to its cellular structure, abrasion performance depends on bubble morphology, including size, distribution and uniformity. This paper presents an experimental study combining high - magnification microscopy wit...

By EHSAN KIANA, ALEKSANDAR RADEVIĆ, ALEKSANDAR SAVIĆ, MOHSEN KIANA, GORDANA BROĆETA, NENAD IVANISEVIC, MAHDI KIANA

This paper evaluates methods for estimating evapotranspiration (ET) and their influence on irrigation system design, using a case study from Modriča, Republic of Srpska. We compare empirical, physically-based, and remote sensing approaches including Thornthwaite, Hargreaves–Samani, Jensen–Haise, Linacre, McGuinness and FAO Penman–...

By BILJANA ĆUSO, ŽANA TOPALOVIĆ

This paper presents an integrated hydraulic, energy and economic analysis of two diversion-system alternatives for the small hydropower plant “Merćez” on the Lukovska River. Two technical concepts are considered: Alternative I – water conveyance through a pressurized steel pipeline, and Alternative II – an open-channel diver...

By JELENA MARKOVIC BRANKOVIC, MILICA MARKOVIC, MILJAN BANKOVIC

01.06.2026. Research paper Civil Engineering
THE CONCEPTION OF RAINWATER HARVESTING FOR WAREHOUSE HALL

Due to the decreasing resources of non-renewable fresh water and climate changes leading to more frequent intense rainfalls, designed solutions are desired to manage rainwater in accordance with the principles of blue-green infrastructure. This paper discusses four concepts of rainwater management for a warehouse hall using solutions such as drain...

By KAROLINA MAZURKIEWICZ, WIKTORIA ANDRZEJEWSKA

The paper presents the methodology for determining the most favorable method for buffer sizing in the Critical Chain Method (CCM), which is based on multi-criteria decision-making methods. The proposed methodology enables a complete and systematic solution to this problem, whose end result is a proposal for a buffer sizing method in accordance with...

By NATAŠA POPOVIĆ-MILETIĆ, GORAN ĆIROVIĆ, DRAGAN PAMUČAR

This paper presents a comprehensive condition assessment of the campus garage at the University of Banja Luka. The assessment methodology included visual inspections, non-destructive testing (NDT) of concrete using rebound hammer and ultrasonic pulse velocity methods, and proof load testing of the primary roof truss. Deformations were monitored usi...

By SANJA KIZIĆ, ANĐELKO CUMBO, GORDANA BROĆETA, MARINA LATINOVIĆ KRNDIJA, GORDANA JAKOVLJEVIĆ, SLAVKO VASILJEVIC, ALEKSANDAR SAVIĆ, FILIP MARIN, ŽARKO DABIĆ, OGNJEN MIJATOVIĆ

Runoff modelling in karst areas represents a specific challenge, due to inherent complexity and uncertainty of underground flow paths. Utilization of physical relationships to describe the individual components of the runoff requires a much more detailed understanding of the conditions in the basin. However, the application of such models, with an ...

By NENAD JAĆIMOVIĆ, MILOŠ STANIĆ

Nature-like fish passes are complex hydraulic–ecological systems whose performance is often assessed through fragmented monitoring approaches. This paper proposes an integrated KPI-based framework for the evaluation and classification of fish pass functionality, combining biological, hydraulic, and operational indicators within a structured m...

By MILICA MARKOVIC, JELENA MARKOVIC BRANKOVIC

In the paper, a layerwise formulation of cross-laminated-timber (CLT) - concrete composites (CCC) is presented. A partial shear interaction between concrete and CLT is incorporated by using distributed elastic springs in the CLT-concrete interface. A linear discontinuous layerwise interpolation of displacement components through the thickness is im...

By MIROSLAV MARJANOVIĆ

The effects of soil-structure interaction (SSI) are usually neglected in the current practice of seismic analysis and design  of bridges. The objective of this research study is to assess the significance of SSI for the seismic response of multi span reinforced concrete girder bridges. The focus is on the behaviour of the integrated global bri...

By MARIJA VITANOVA, KEMAL EDIP, VIKTOR HRISTOVSKI, JULIJANA BOJADZIEVA

Fish passages represent a key engineering and ecological measure for restoring the longitudinal connectivity of watercourses disrupted by hydraulic structures. This paper presents the conceptual design of a nature-like fish passage at the Djerdap 2 hydropower plant on the Danube River. The study includes route definition, hydraulic sizing under com...

By JELENA MARKOVIC BRANKOVIC, MILICA MARKOVIC, TOMISLAV STOJKOVIC, DRAGAN RADIVOJEVIC

This study examines the load–deflection response of continuous self-compacting concrete (SCC) beams incorporating recycled coarse aggregates. Nine two-span beams with reinforcement ratios of 0.65–0.94% were experimentally tested using 50% and 100% aggregate replacement. Recycled aggregate beams showed slightly reduced stiffness and incr...

By ŽARKO PETROVIĆ, BOJAN MILOSEVIC, MARIJA SPASOJEVIĆ ŠURDILOVIĆ, ANDRIJA ZORIĆ, DRAGANA TURNIĆ

This study emphasizes numerical modeling of soil medium including boundary conditions, rather than the conventional focus on input earthquake accelerations with simplified Winkler soil models typically used in soil-structure interaction (SSI) problems. A six-story frame structure founded on relatively soft ground is numerically simulated in ANSYS u...

By KEMAL EDIP, VLATKO SHESHOV, JULIJANA BOJADJIEVA, ALEKSANDRA BOGDANOVIC, ZORAN RAKICEVIC

In this paper, a new approach for determining the stress-strain state that incorporates spatial variations in porosity into the elasto-viscoplastic analysis of a thick-walled concrete cylinder subjected to long-term loading is presented. This approach uses rheological dynamic theory (RDT), based on the principles of mass and energy conservation. By...

By NATAŠA MRĐA BOŠNJAK, DRAGAN MILAŠINOVIĆ

This study presents a seismic capacity assessment of a reinforced concrete structure in central Banja Luka, Bosnia and Herzegovina, using nonlinear dynamic analysis in OpenSees under Python environment. Site specific soil conditions, characterized by dynamic amplification factors of approximately 1.2, are incorporated into the analysis. Structural ...

By GORAN JEKIC, KEMAL EDIP, ZIVKO BOZINOVSKI, ALEKSANDAR ZLATESKI, TRAJCHE ZAFIROV, ELENA DELOVA, ZABEDIN NEZIRI

Laboratory-based research plays a crucial role in civil engineering education by connecting theory with practice. Within the Education 5.0 framework, laboratory work supports human-centered, digital, and sustainable learning. This paper presents the conceptual development of a questionnaire for undergraduate civil engineering students. The question...

By JOVANA TOPALIĆ, VESNA BULATOVIĆ, ANKA STARČEV-ČURČIN

01.06.2026. Research paper Civil Engineering
MODELLING FLOOD WAVE TRANSFORMATION IN ULOG HPP RESERVOIR

This paper analyses the role of the Ulog Hydropower Plant reservoir in mitigating flood waves in the Neretva River basin. A mathematical simulation model was applied to transform flood waves with return periods of 10, 20, 50, and 100 years, under different initial reservoir water levels. The results indicate that complete retention of flood waves c...

By АНИЦА МИЛАНОВИЋ, TINA DAŠIĆ, ŽANA TOPALOVIĆ, PETAR PRAŠTALO

This paper presents the applicability of video-based image processing techniques for discharge estimation in a laboratory channel. Surface velocities were determined using the optical flow (OF) method, and the corresponding discharge was estimated based on these measurements. The obtained results were compared with values measured using a discharge...

By DOROTEA VUČIĆ, ANĐELA ZELJKOVIĆ, NIKOLA VASILJEVIĆ, IVANA RADEŠIĆ, TATJANA SAMARDŽIJA, MILICA SAMARDŽIJA, PETAR PRAŠTALO, ANICA MILANOVIĆ

This paper provides an overview of the authors’ research on the free vibration analysis of circular cylindrical shells using the Dynamic stiffness method. Exact frequency-dependent dynamic stiffness matrices, derived from Flügge shell theory and its shear-deformable extension, enable highly accurate prediction of modal properties without...

By NEVENKA KOLAREVIC, MARIJA NEFOVSKA-DANILOVIĆ

Composite steel and concrete structures are widely used in modern civil engineering due to their structural efficiency and economic performance. However, conventional composite systems limit the possibility of full structural disassembly and reuse of steel structure elements and composite slabs, which is increasingly important in sustainable constr...

By MLADEN SLIJEPCEVIC, ZLATKO MARKOVIĆ

In this paper, the authors address the inspection of concrete structures using ground-penetrating radar (GPR) scanning technology. The main idea is focused on the inspection of a concrete structure for the purpose of detecting reinforcement or objects with a circular cross-section. The analysis includes both dry and wet concrete, as well as metalli...

By MILOŠ MARKOVIĆ, ALEKSANDAR SAVIĆ, ANJA TERZIĆ

Intensive urbanization increases impervious cover, accelerates stormwater runoff, and aggravates flooding, water pollution, and urban heat island effects. This paper provides a critical narrative review of pervious concrete as a multifunctional material for sustainable stormwater management. The review synthesizes studies on hydraulic performance, ...

By ILIJA ILIĆ, NENAD RISTIĆ, NIKOLA ĐOKIĆ

The Ibarac tunnel was excavated as part of the Rožaje bypass project in Montenegro. Nearly half of the excavation was carried out in glaciofluvial sediments consisting of brown sandy clay with gravel and rock fragments. As the original design did not anticipate tunneling through such deposits, the subsequent adoption of overly optimistic geotechnic...

By NIKOLA ČAĐENOVIĆ, IVAN MARETIĆ

This paper presents a review of the development of geometrically exact beam theories for the analysis of large displacements and finite rotations of curved beams. Since finite rotations evolve on the nonlinear manifold 𝑆𝑂(3) rather than in a vector space, their consistent parametrization, interpolation, and update are essential to maintain objectiv...

By DIJANA TATAR, ALEKSANDAR BORKOVIĆ

The digital transformation of the construction industry has reshaped the competencies required from future civil engineers. Building Information Modeling (BIM) has emerged as a key methodology supporting integrated design, collaboration, and lifecycle management of construction projects. The higher education is evolving toward the Education 5.0 par...

By JOVANA TOPALIĆ, MIRJANA TERZIĆ, JELENA MIRJANIĆ, IGOR DŽOLEV, VLADIMIR MUČENSKI, IGOR PEŠKO

01.06.2026. Review paper Civil Engineering
THE ROLE OF BASIN PHYSICAL CHANGES IN FUTURE FLOOD PROJECTIONS

Although both climatic factors and basin physical characteristics influence flood generation, projections of future floods predominantly emphasize climate change, while changes in land use, urbanization, and basin morphology are less systematically addressed. This paper presents a brief literature overview on the assessment of future floods at the ...

By NIKOLA ĐOKIĆ, BORISLAVA BLAGOJEVIĆ, VLADISLAVA MIHAILOVIĆ, ILIJA ILIĆ

The application of artificial neural networks (ANNs) has significantly advanced the resolution of complex engineering problems in civil engineering, particularly in data analysis, design, and structural performance prediction. They play a crucial role in materials science by enabling the assessment of mechanical properties of construction materials...

By BOJAN MILOSEVIC, NENAD KOJIC, ZARKO PETROVIC

Contact mechanics plays a central role in many engineering applications and remains a challenging topic in numerical simulation due to the presence of strong nonlinearities. This paper presents a review of contact formulations developed within the framework of isogeometric analysis (IGA). After outlining classical finite element contact approaches ...

By SNJEŽANA MILOVANOVIĆ, ALEKSANDAR BORKOVIĆ, OGNJEN MIJATOVIĆ

Bridges are critical components of transportation infrastructure, requiring efficient design, construction, and management throughout their entire life cycle. Recent advances in digital technologies have significantly influenced bridge engineering, particularly through the adoption of Building Information Modeling (BIM) and Artificial Intelligence ...

By IVONA KRULANOVIĆ, ŽELJKA BELJKAŠ

01.06.2026. Review paper Civil Engineering
SMART INFRASTRUCTURE IN THE CITIES OF THE FORMER YUGOSLAVIA

Modern cities face traffic congestion, inefficient use of resources, and pollution, challenges that are intensified by urbanization. The smart city concept, based on the application of the Internet of Things (IoT), enables more efficient management of urban infrastructure and improvement of the quality of life. This paper examines the application o...

By SARA MALINOVIĆ, MARIJA MALIĆ, IGOR JOKANOVIĆ

01.06.2026. Preliminary report/Short communication Civil Engineering
MULTI-CRITERIA OPTIMIZATION OF CONSTRUCTION MACHINERY SELECTION USING A HYBRID AHP-GA MODEL

This paper presents a hybrid model integrating the Analytic Hierarchy Process (AHP) and Genetic Algorithms (GA) to optimize construction machinery selection based on cost, CO2 emissions, maintenance, and age. AHP was used to determine precise weighting criteria, while a Python-based GA explored the solution space using technical penalty functions. ...

By ŽELJKO MARINKOVIĆ, NIKOLA KNEZEVIC, PREDRAG PETRONIJEVIĆ, NATAŠA PRAŠČEVIĆ

The Knićanin–Čenta subcatchment area, located in Central Banat, is a fertile agricultural region whose water regime is significantly influenced by the water levels of the surrounding rivers—the Danube, Tisa, Begej, as well as the Karaš canal. During May and June 2019, while the TurkStream gas pipeline was under construction, the ...

By TAMARA PANTIĆ, MARIJANA MILIC, LJUBOMIR BUDINSKI, GORAN JEFTENIC, DANILO STIPIC

Proračunske analize i procjena uticaja zidane ispune na seizmički odgovor višespratnih armiranobetonskih okvirnih zgrada u domaćoj inženjerskoj praksi najčešće nisu sastavni dio projekta konstrukcije, iako se pri izvođenju okviri uobičajeno ispunjavaju zidanjem zidova na tradicionalan način, bez posebnih mjera izolacije. Kroz uporednu...

By ANĐELKO CUMBO, GORDANA BROĆETA, MARINA LATINOVIĆ KRNDIJA, SLOBODAN ŠUPIĆ, VLADAN PANTIĆ, MLADEN SLIJEPČEVIĆ

Geotechnical monitoring represents a key component in preserving the stability and safety of structures and the route of an expressway, especially in complex terrain conditions such as peatlands and saturated soils. This paper analyzes an integrated monitoring system along such a route, which includes tracking settlements, pore pressures, and horiz...

By MILAN DRAGANOVIĆ, RADOVAN CVETKOVIC, MILOS SESLIJA

01.06.2026. Professional paper Civil Engineering
BRIDGE REHABILITATION WITH USE OF UHPFRC IN SWITZERLAND

This article provides a practical framework for the application of ultra-high-performance fiber-reinforced concrete (UHPFRC) in road bridges. Most of these bridges, constructed with reinforced or prestressed concrete according to mid-20th-century European practices, now face significant durability challenges. The rehabilitation of existing bridges ...

By STEFAN NARIC, SAVO MALEŠEVIĆ

This paper presents a vulnerability assessment of an historical masonry building representative of early 20th-century construction. The structure consists of load-bearing masonry walls with timber floors and lacks seismic detailing. The methodology included visual inspection, typological classification and simplified control analysis. Observed dama...

By MLADEN SLIJEPČEVIĆ, ANĐELKO CUMBO, SAŠA ČVORO, ZORAN ULJAREVIĆ, RADOVAN VUKOMANOVIĆ

This paper analyzes the functional and administrative classification of the state road network in the territory of Vojvodina. The research covers all categories of state roads, with a focus on section lengths, pavement type, and compliance with minimum technical standards, primarily carriageway width. The results indicate a high level of technical ...

By IVA BOGDANOVIĆ, IGOR JOKANOVIĆ, MILICA PAVIĆ

The rehabilitation and reconstruction of the Đurđevića Tara Bridge, a structure of national importance, located within a protected area, the UNESCO Biosphere Reserve, inevitably generates various types of construction waste. This paper presents the waste management approach, focusing on the identification, source separation, temporary storage, and ...

By SNEŽANA RUTEŠIĆ, ŽELJKA BELJKAŠ, RADMILA SINĐIĆ-GREBOVIĆ

This study presents a comparative analysis of proprietary and custom point cloud classification pipelines in the context of cultural heritage documentation, using the Monodri Bridge in Evia, Greece, as a case study. The research evaluates the performance, flexibility, and suitability of commercial software solutions versus tailored, open-source wor...

By ANTREI DELIGIANNIS, VASSILIS PAGOUNIS

In this paper, the authors address the inspection of concrete structures using ground-penetrating radar (GPR) scanning technology. The main idea is focused on the inspection of a concrete structure for the purpose of detecting reinforcement or objects with a circular cross-section. The analysis includes both dry and wet concrete, as well as metalli...

By ŽELJKO BUGARINOVIĆ, MILAN VRTUNSKI, ALEKSANDAR RISTIĆ, MEHMED BATILOVIĆ, MIRO GOVEDARICA

This paper presents the process of creating and analyzing the accuracy of the Scan to BIM model of the building of the Department of Civil Engineering and Geodesy, Faculty of Technical Sciences, University of Novi Sad based on data collected by terrestrial laser scanning. The point cloud was used to model the object in the BIM environment, while th...

By MILAN GAVRILOVIĆ, IGOR RUSKOVSKI, MILKA ŠARKANOVIĆ BUGARINOVIĆ, DUŠAN JOVANOVIĆ, MIRO GOVEDARICA

Recent advances in 3D reconstruction techniques, including Terrestrial Laser Scanning (TLS), SLAM-based systems, and mobile LiDAR, have improved heritage documentation practices. This study evaluates the geometric accuracy of Leica BLK360, GeoSLAM ZEB-REVO, FJD TRION™ S1, and iPhone 12 Pro using a UNESCO-listed Byzantine Bath monument, with F...

By KONSTANTINOS BELLOS, ION-ANASTASIOS KAROLOS, STYLIANOS BITHARIS, ATHANASIOS ILIODROMITIS

Terrestrial height anomalies are compared with anomalies derived from Global Geopotential Models (GGMs) developed within the GOCO initiative. The analysis examines the influence of epoch differences on geometric heights. Terrestrial anomalies are determined from ellipsoidal heights obtained by GNSS and from precise levelling data. Ellipsoidal heigh...

By OLEG ODALOVIĆ, STEFAN KRSTIĆ, DUŠAN PETKOVIĆ, SANJA GREKULOVIĆ, MILJANA TODOROVIĆ-DRAKUL

Modern cartography and geoinformatics are increasingly embracing immersive technologies, which require specific adaptations for application in these fields. Augmented reality (AR) is one such technology that can provide a high degree of adaptability in order to support the transfer of information and knowledge through maps. This paper analyzes tren...

By DRAGOLJUB SEKULOVIC, MARKO SIMIĆ, SINIŠA DROBNJAK

This study systematically identifies and analyzes geometric distortions, specifically layover and shadow effects, in Sentinel-1 imagery across the Republic of Serbia. Тhe research quantifies these distortions caused by slant observation geometry. The primary contribution is a unique, publicly available spatial dataset representing distortion distri...

By MILOŠ BASARIĆ, DUŠAN JOVANOVIĆ

This study investigates the performance of several digital elevation models (DEMs) over a selected area in Western Macedonia. The objective is to identify the most suitable DEM to serve as a reliable reference for the representation of topographic masses used in gravity anomaly determination, terrain correction computation, and geoid modeling. The ...

By FILIP PETROVSKI

The paper describes the phases of bridge construction, geodetic measurements and monitoring procedures during the characteristic phases of construction. In the experimental part of the work, the procedure of geodetic observation of the bridge construction based on the analysis of two measurement epochs is shown. Open-source software Java Applied Ge...

By ĐURO KRNIĆ, MILAN TADIĆ, ZORAN SUŠIĆ, RADOVAN ĐUROVIĆ, ANASTASIJA BOŽIĆ

Knowledge of geomagnetic characteristics, particularly magnetic declination, is essential for aviation safety, and military operations. This paper presents the methodology and results of geomagnetic surveys conducted at military aerodromes in the Republic of Serbia using the EDA DIM 100 declination–inclination magnetometer paired with ...

By SRĐAN STOJAKOVIĆ, SINIŠA DROBNJAK, NOVAK ROGANOVIĆ, DRAGOLJUB SEKULOVIĆ

This study analyzes the need to transform the traditional two-dimensional cadastre in the Republic of Srpska into a multidimensional system (3D/4D). The research aims to examine the compliance of the current real estate records with the international standard ISO 19152 (LADM) and to identify the key prerequisites for introducing the third and fourt...

By DRAGANA SKORUP STUPAR, TATJANA TUCIC

Although Mobile Laser Scanning (MLS) has significantly enhanced the efficiency of urban topographic mapping, its performance in dense urban environments remains subject to multiple operational constraints. This paper examines key factors affecting data reliability, including GNSS signal degradation, IMU drift, occlusions, and point density variabil...

By SLAVICA PUTNIK, BOGDAN BOJOVIĆ, MIROSLAV KUBURIĆ, JELENA TATALOVIĆ

The UAV LiDAR terrain model provides accurate identification of various landslide-related features, with a specific emphasis on terrain discontinuities known as scarps. This research aims to develop a quantitative method for identifying scarps using terrain-profile analysis of UAV LiDAR DTM. The research considers two landslide-prone areas located ...

By NIKOLA KRANJČIĆ, VLADO CETL, BOJAN ĐURIN, DANKO MARKOVINOVIĆ, DOROTEA LOVRENČIĆ

The Devil’s Town site is a unique geomorphological formation in southern Serbia, comprising over 200 earth structures. This site has been monitored using non-invasive techniques and a high-resolution point cloud was generated through photogrammetric imaging with an Unmanned Aerial Vehicle (UAV). In this study, automatic detection of the earth...

By NENAD BRODIĆ, MILOŠ MARJANOVIĆ, MILEVA SAMARDŽIĆ-PETROVIĆ, DRAGANA ĐURIĆ

In the modern world, automatic classification of buildings from orthophoto images has become critical task in various domains, including urban planning, geographic mapping and infrastructure change monitoring. Traditional building detection methods rely on manual procedures or classical image processing algorithms, which often lead to limited accur...

By MARKO ĐURĐEVIĆ

This paper demonstrates the use of terrestrial laser scanning (TLS) to detect deflection in lattice steel girders inside a hall structure. Data were acquired using the Trimble TX8, producing a point cloud of over 349 million points. After registration and classification, the processed point cloud served as the basis for deflection analysis. Girder ...

By MEHMED BATILOVIĆ, MARINA DAVIDOVIĆ MANOJLOVIĆ, MARKO MARKOVIĆ, ŽELJKO BUGARINOVIĆ, VLADIMIR MUČENSKI

The paper describes the methodology for controlling the consistency of the geodetic basic 2D network for the construction of a large-scale hydropower system. The research was conducted on the case study of the network for the construction of the Dabar hydroelectric power plant, in an extremely complex karst area. The network was established by GNSS...

By SLAVKO VASILJEVIĆ, DEJAN VASIĆ, MILUTIN PEJOVIĆ, TANJA ĐUKANOVIĆ, SLAĐANA STANIŠIĆ

Virtual tours of monuments become more and more a vital part of the promotion of the culture and therefore tend to be one of the main areas of study in the field of cultural heritage. These representations offer users the chance to tour in areas located far away. In order to create accurate and correct 3D representations of the monument, geometric ...

By ATHANASIOS ILIODROMITIS, ION-ANASTASIOS KAROLOS, KONSTANTINOS BELLOS

This paper analyzes the academic success of students enrolled in the Civil Engineering and Geodesy study programs at the Faculty of Architecture, Civil Engineering and Geodesy of the University of Banja Luka during the period 2012–2021. High school achievement was compared with entrance examination results, as well as differences in success w...

By LJUBIŠA PRERADOVIĆ, SNJEŽANA MAKSIMOVIĆ, SANDRA KOSIĆ-JEREMIĆ, ĐORĐE STOJISAVLJEVIĆ

This paper presents an integrated geomatics workflow for the digital documentation of historic sites of incarceration and political repression, focusing on Corfu Prisons, Greece. Using modern geomatics methodologies, the study produces a high-resolution, multi-source dataset that captures the architectural, spatial, and material characteristics of ...

By VASSILIS PAGOUNIS, ANDREAS DELIGIANNIS, PANAGOULA KOPELOU, DIONYSIOS MOSCHOPOULOS, GEORGIOS PAPAIOANNOU

01.06.2026. Research paper Other
ACTIVITY OF RADIONUCLIDES IN BUILDING MATERIALS

Activity concentrations of 226Ra, 232Th and 40K in some building materials used in Montenegro were measured by the gamma spectrometry (HPGe spectrometer and multidetector spectrometer PRIPYAT-2M), and the results are presented in this paper. Levels of the radionuclides in analyzed sand, cement, brick, gypsum, ceramic tile, as well as marble and gra...

By NEVENKA ANTOVIĆ, TOMISLAV ANĐELIĆ

This paper examines the historical evolution of computer-aided design (CAD) and building information modeling (BIM) software in architecture, civil engineering, and geodesy. The development of digital design technologies is analyzed through several key phases, from the early experimental CAD systems of the 1960s and 1970s to the expansion of person...

By ĐORĐE STOJISAVLJEVIĆ, LJILJA ŠIKMAN

Shallow geothermal energy remains underutilized in the Danube Region despite its potential to reduce fossil fuel dependency and support EU climate goals. The Danube GeoHeCo project addresses this gap by fostering transnational cooperation, aiming to promote hybrid ground-source heat pump (GSHP) solutions. Key outputs include Transnational Action Pl...

By SLAVISA JELISIĆ, NIKOLA BOJIĆ, ĐURAĐ HAJDER, BRANKO IVANKOVIC

Low-enthalpy subgeothermal energy represents one of the most stable and environmentally friendly renewable energy sources for heating and cooling buildings. The efficiency of these systems largely depends on the geological and hydrogeological characteristics of the soil in which the geoprobes are installed in the case of the "soil-water" system or ...

By BRANKO IVANKOVIC