Digitalization is becoming one of the key trends in contemporary construction, playing a particularly important role in the building operation phase. This phase represents the longest period of a building’s life cycle and is simultaneously associated with high operational costs. The aim of [...] Read more.

Digitalization is becoming one of the key trends in contemporary construction, playing a particularly important role in the building operation phase. This phase represents the longest period of a building’s life cycle and is simultaneously associated with high operational costs. The aim of the presented research was to analyze the views of experts and professionals working in the field of building management and operation on the use of digital tools, their perception of the level of digitalization, and the potential for further development. The research was conducted in the form of a questionnaire survey. The results show that in most cases, basic software tools prevail, while the use of advanced platforms such as CMMS (Computerized Maintenance Management System) or CAFM (Computer-Aided Facility Management) systems remains limited. Only one quarter of respondents actively use IoT sensors, which represent an innovative element with high potential for efficient building operation and sustainability. Paradoxically, some respondents perceive even the use of basic software as representing significant digitalization. The most digitalized areas include financial administration, security systems, and energy management, while digital building passports and workspace management remain on the periphery. The findings highlight the uneven application of digital tools and the need for their broader implementation, which can significantly contribute to the efficiency and sustainability of building management.Full article

In recent years, photocatalysis using semiconductor materials has gained significant attention as an effective strategy for dye degradation under mild conditions. Among various metal oxide photocatalysts, zinc ferrite (ZnFe₂O₄) has gained attention due to its narrow band gap, good [...] Read more.

In recent years, photocatalysis using semiconductor materials has gained significant attention as an effective strategy for dye degradation under mild conditions. Among various metal oxide photocatalysts, zinc ferrite (ZnFe₂O₄) has gained attention due to its narrow band gap, good stability, low cost, and activation under visible light. ZnFe₂O₄ nanoparticles (NPs) were synthesized using a co-precipitation process and tested for their photocatalytic effectiveness in degrading synthetic dyes Fast Green FCF and Orange II Sodium Salt under visible light. This study emphasizes the benefits of utilizing ZnFe₂O₄ as a visible light-activated, cost-effective, and environmentally friendly photocatalyst. These findings add to the growing research on wastewater treatment options.Full article

Cybersecurity has evolved significantly over the years, with a growing interest in biologically inspired models that emulate the immune system’s defense mechanisms. This paper provides a comparative analysis of various immunity-based approaches in cybersecurity, tracking their progression from their inception to the present. [...] Read more.

Cybersecurity has evolved significantly over the years, with a growing interest in biologically inspired models that emulate the immune system’s defense mechanisms. This paper provides a comparative analysis of various immunity-based approaches in cybersecurity, tracking their progression from their inception to the present. It explores the strengths and limitations of these methods across different cybersecurity areas, such as intrusion detection, malware analysis, and network protection. By reviewing foundational research, recent advancements, and existing challenges, this study aims to offer a well-rounded perspective on the effectiveness and constraints of immunity-driven strategies in protecting modern digital infrastructure. Additionally, it highlights emerging trends and future directions, stressing the importance of integrating these approaches with machine learning and other advanced technologies to strengthen cybersecurity resilience.Full article

The study is devoted to the remediation of contaminated soil with the presence of potentially toxic elements by flotation. The research summarizes the results concerning the verification of the effectiveness of selected flotation agents at different doses. Kerosene and potassium ethyl xanthogenate were [...] Read more.

The study is devoted to the remediation of contaminated soil with the presence of potentially toxic elements by flotation. The research summarizes the results concerning the verification of the effectiveness of selected flotation agents at different doses. Kerosene and potassium ethyl xanthogenate were used as reagents. Application of these two reagents simultaneously and flotation without the use of a collector were also tested. The flotation tests showed that similar results were obtained with kerosene, which is a non-polar collector, as with the polar potassium ethyl xanthogenate, which as an anionic collector is designed specifically for metal flotation. Interesting results were also achieved in flotation without the use of a collector.Full article

Public spaces are a key element of sustainable urbanism, influencing both quality of life and ecological stability. Using examples from Barcelona, Copenhagen, and Niš, the article identifies proven strategies—such as Superblocks, cycling infrastructure, and the use of GIS and AI—whose application may support [...] Read more.

Public spaces are a key element of sustainable urbanism, influencing both quality of life and ecological stability. Using examples from Barcelona, Copenhagen, and Niš, the article identifies proven strategies—such as Superblocks, cycling infrastructure, and the use of GIS and AI—whose application may support the transformation of public spaces in Czech cities.Full article

This study investigates the remediation of contaminated soil containing potentially toxic elements (PTEs) through phytoremediation.Cannabis sativa was selected as the model species due to its suitability for cultivation under Central and Northern European climatic conditions. The experiment was conducted over an eight-month [...] Read more.

This study investigates the remediation of contaminated soil containing potentially toxic elements (PTEs) through phytoremediation.Cannabis sativa was selected as the model species due to its suitability for cultivation under Central and Northern European climatic conditions. The experiment was conducted over an eight-month period, during which no visible morphological deformities were observed, despite elevated concentrations of PTEs. Among the tested soil samples, the plant labeled No. 5 exhibited the highest remediation efficiency, removing approximately 11% of total zinc, nearly 75% of chromium, 36% of nickel, just under 9% of copper, and about 36% of arsenic from the soil.Full article

The D1 Paskov spoil heap is a smaller brownfield covering an area of 71,188 m², located in the former Paskov mining region. It serves as a model area for reclamation planning, based on a comprehensive assessment of its natural conditions and [...] Read more.

The D1 Paskov spoil heap is a smaller brownfield covering an area of 71,188 m², located in the former Paskov mining region. It serves as a model area for reclamation planning, based on a comprehensive assessment of its natural conditions and the risks posed by contamination from hazardous elements and erosion processes. Data for this assessment was collected through field research conducted between 2023 and 2025. In September 2023, additional fieldwork and mapping were carried out using unmanned aerial vehicles equipped with two types of sensors: an RGB camera and LiDAR. The dump is primarily covered with ruderal vegetation, with the summit plateau dominated by the expansive grass speciesCalamagrostis epigejos. With appropriate management, the plant communities on the western and northern slopes have the potential to develop into conservation-significant habitats. However, the southwestern slope presents challenges due to active rill erosion and contamination. Stabilization measures are required to prevent further degradation in this area.Full article

One of the key goals of the 2030 Agenda for Sustainable Development is to create inclusive, safe, resilient, and sustainable cities. A fundamental aspect of this goal is ensuring barrier-free mobility and access to public spaces, particularly for people with physical and visual [...] Read more.

One of the key goals of the 2030 Agenda for Sustainable Development is to create inclusive, safe, resilient, and sustainable cities. A fundamental aspect of this goal is ensuring barrier-free mobility and access to public spaces, particularly for people with physical and visual impairments, seniors, and others with limited mobility. This paper discusses the statistical background of persons with disabilities in the Czech Republic and identifies the main obstacles they face in independent movement and spatial orientation. Based on current data, regulations, and practical observations, the paper outlines principles and design recommendations that support accessible and inclusive public environments. These include both physical modifications for mobility and tactile or visual systems that assist in independent navigation for visually impaired users.Full article

The subject of this article is the information model of a building, the data of which can be used in the phase of operation and use. The aim of the article is to define the requirements for building information models for the purpose [...] Read more.

The subject of this article is the information model of a building, the data of which can be used in the phase of operation and use. The aim of the article is to define the requirements for building information models for the purpose of data collection for spatial evidence. The article describes the method of sorting data according to the IFC standard developer for the international non-profit organization buildingSMART, or a classification system, and it describes the method of sorting the relevant data. Spatial evidence describes using the data from building information models. The conclusions of the article provide the information on how the users can collect the data from the information model and create spatial evidence in this case. Spatial evidence was selected because it is the one of the essential documents used by facility managers.Full article

In the coming decades, mineral extraction will cease at several locations in the Czech Republic. This article examines the transformation of these sites into natural carbon storage reservoirs after mining has ceased. This innovative approach supports sustainable land use, helps mitigate climate change, [...] Read more.

In the coming decades, mineral extraction will cease at several locations in the Czech Republic. This article examines the transformation of these sites into natural carbon storage reservoirs after mining has ceased. This innovative approach supports sustainable land use, helps mitigate climate change, and restores ecological landscape functions.Full article

Runout is a common failure of brake discs. The detection of this fault usually depends on the driver, as there is a vibration in the car and on the brake pedal. As Advanced Driver Assistant Systems are implemented and autonomous driving modes are [...] Read more.

Runout is a common failure of brake discs. The detection of this fault usually depends on the driver, as there is a vibration in the car and on the brake pedal. As Advanced Driver Assistant Systems are implemented and autonomous driving modes are available, braking is carried out by the car instead. Brake disc runout can cause longer braking distance, so it is essential to recognize and repair it. NVH measurements have been validated to be one of the solutions to detect the fault immediately without disassembling the brake unit. In this article, the previous vibration measurements are extended with other methods that can also be used for fault detection. Brake fluid pressure measurement and integration of the disc rotation angle sensor enable the detection of faults without additional sensors. The aim of the research is to design a measurement method that can be compared with previously validated measurements.Full article

In 2024, synthetic fuels regained attention as potential low-emission alternatives for internal combustion engines (ICEs), particularly in sectors where electrification remains challenging. This paper compares the estimated CO₂ emission factors of fossil-based fuels and synthetic fuels blended with 20% bioethanol under standardized [...] Read more.

In 2024, synthetic fuels regained attention as potential low-emission alternatives for internal combustion engines (ICEs), particularly in sectors where electrification remains challenging. This paper compares the estimated CO₂ emission factors of fossil-based fuels and synthetic fuels blended with 20% bioethanol under standardized usage conditions. A key finding is that the emission factor of synthetic fuels is highly dependent on the carbon intensity of the electricity used to produce green hydrogen via electrolysis. Using the projected EU electricity mix for 2030, synthetic fuels show no clear advantage over fossil fuels. However, with a cleaner electricity mix expected by 2050, their emission factor becomes significantly lower. From an economic standpoint, the viability of synthetic fuel production largely depends on reducing green hydrogen costs of €1.50–2.00 per kg through technological advancements and large-scale deployment. This analysis offers a realistic perspective on when and how synthetic fuels could contribute to climate objectives and outlines the technical and economic conditions necessary for their environmental and market viability.Full article

This study presents the design and implementation of a prototype dual-function photovoltaic window system that integrates flexible solar panels for dynamic shading and a compact lithium battery for local energy storage. The methodology involves developing an experimental setup where translucent, flexible photovoltaic panels [...] Read more.

This study presents the design and implementation of a prototype dual-function photovoltaic window system that integrates flexible solar panels for dynamic shading and a compact lithium battery for local energy storage. The methodology involves developing an experimental setup where translucent, flexible photovoltaic panels are retrofitted onto a standard residential window. The system is connected to a charge controller and a small-capacity lithium-ion battery pack. Key performance metrics, including solar irradiance, power generation efficiency, reduction in thermal transmittance, and battery state of charge, are continuously monitored under varying real-world environmental conditions. The integrated panels can significantly reduce solar heat gain, thereby lowering indoor ambient temperature and reducing the building’s cooling load. Simultaneously, the system will generate sufficient electricity to be stored in the lithium battery, providing a self-contained power source for low-draw applications such as lighting or charging personal devices. This research highlights the viability of developing cost-effective, multi-functional building components that transform passive architectural elements into active energy-saving and power-generating systems in terms of green environment goals.Full article

Septic wastewater, or septage, represents a specific type of wastewater with a high concentration of organic matter and significant variability in composition, which places increased demand on its treatment. With the increasing pressure for decentralized solutions for small areas with no established sewage [...] Read more.

Septic wastewater, or septage, represents a specific type of wastewater with a high concentration of organic matter and significant variability in composition, which places increased demand on its treatment. With the increasing pressure for decentralized solutions for small areas with no established sewage infrastructure, technologies that can ensure stable operation of the treatment plant are coming to the fore. This paper compares the technologies used for septic wastewater treatment, i.e., sequencing batch reactor (SBR), membrane bioreactor (MBR), and aerobic granular sludge reactor (AGS). For the AGS technology, a trial run of a selected wastewater collection plant is carried out.Full article

This work investigates the geochemical response of carbonate reservoir rocks to CO₂-enriched fluids, focusing on mineralogical changes and potential geological storage consequences. Laboratory experiments involved Žarošice field (Czech Republic) dolomite rock and in situ representative pore water. The findings show that [...] Read more.

This work investigates the geochemical response of carbonate reservoir rocks to CO₂-enriched fluids, focusing on mineralogical changes and potential geological storage consequences. Laboratory experiments involved Žarošice field (Czech Republic) dolomite rock and in situ representative pore water. The findings show that CO₂ injection causes carbonate and feldspar dissolution, causing a detectable porosity increase (~0.25 percentage points). These findings lay the groundwork for assessing the potential of using dolomitized carbonate rocks for pilot CO₂ sequestration projects in Central Europe.Full article

In submitting conference proceedings toEngineering Proceedings, the Volume Editors of the proceedings would like to certify to the publisher that all papers published in this volume have been subjected to peer review by the designated expert referees and were administered by [...] Read more.

In submitting conference proceedings toEngineering Proceedings, the Volume Editors of the proceedings would like to certify to the publisher that all papers published in this volume have been subjected to peer review by the designated expert referees and were administered by the Volume Editors strictly following the policies announced on the conference website [...]Full article

Surface-acoustic-wave (SAW) sensors with Langasite (LGS) substrate have broad prospects in the field of wireless passive temperature sensing in harsh environments. However, there are still challenges in terms of accuracy regarding the material temperature coefficient of LGS and the temperature simulation of heavy [...] Read more.

Surface-acoustic-wave (SAW) sensors with Langasite (LGS) substrate have broad prospects in the field of wireless passive temperature sensing in harsh environments. However, there are still challenges in terms of accuracy regarding the material temperature coefficient of LGS and the temperature simulation of heavy mass load electrodes. This paper presents a method for fitting the material temperature coefficient of LGS based on a combination of finite element simulation (FEM) and measured data. Eleven different cuts of LGS SAW resonators were fabricated, and the frequency response of each cut device at 30–800 °C was obtained through experiments. Some of the data were used in the training dataset and the material temperature coefficient of LGS was obtained through comsol simulation fitting. The remaining data were used as a test dataset to verify the accuracy of the results. The results show that the material coefficient obtained using this method has good accuracy in the frequency prediction of thick electrode LGS SAW sensors at different temperatures with different cuts.Full article

Excessive use of oxytetracycline (OTC) in veterinary medicine has increased the presence of antibiotics in food, which accelerates the development of antimicrobial resistance. We report the development of a highly sensitive electrochemical aptasensor for OTC detection, based on a glassy carbon electrode (GCE) [...] Read more.

Excessive use of oxytetracycline (OTC) in veterinary medicine has increased the presence of antibiotics in food, which accelerates the development of antimicrobial resistance. We report the development of a highly sensitive electrochemical aptasensor for OTC detection, based on a glassy carbon electrode (GCE) modified with reduced graphene oxide (rGO) and multiwalled carbon nanotubes (MWCNTs) nanocomposite. DNA aptamers specific to OTC were covalently attached to the nanocomposite surface via carbodiimide chemistry. Differential pulse voltammetry (DPV) showed a decrease in peak current due to the binding of OTC to the aptamers. The sensor exhibited a limit of detection (LOD) of 1.72 ng/mL, which is below the maximum residue limit (MRL) for OTC (100 ng/mL) established by European Union. The sensor has been tested on a spiked milk sample.Full article

Today’s cross-regional supply chains face rising disruptions from geopolitical conflicts and climate-related events, alongside increasing pressure to meet sustainability goals. This study explores how supplier collaboration and trust influence both supply chain resilience and sustainability. The objective is to assess whether, and how, [...] Read more.

Today’s cross-regional supply chains face rising disruptions from geopolitical conflicts and climate-related events, alongside increasing pressure to meet sustainability goals. This study explores how supplier collaboration and trust influence both supply chain resilience and sustainability. The objective is to assess whether, and how, these relational capabilities enhance a supply chain’s ability to manage disruptions while supporting environmental goals. The research is based on a structured survey of 252 validated, supply chain professionals. Quantitative analysis using descriptive statistics and regression models examined the relationships between collaboration, trust, resilience, and sustainability. The findings show that both collaboration and trust significantly impact resilience and sustainability, though in different ways: collaboration is more closely tied to resilience, while trust more strongly supports sustainability. This study provides new empirical insights in a field often led by theory and offers practical guidance for building supply chains that are both adaptive and environmentally responsible.Full article