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Rok 2025
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Optimizing electrochemical removal of perfluorooctanoic acid in landfill leachate using ceramic carbon foam electrodes by coupling CFD simulation and reactor design
PublikacjaPerfluorooctanoic acid (PFOA), a persistent and bioaccumulative pollutant classified as a 'forever chemical', poses a global environmental and health risk due to its widespread use and resistance to degradation. The development of effective and efficient removal technologies is crucial to mitigate its long-term impacts. In this study, we present a novel approach to address the growing concern of emerging contaminants, particularly...
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Optimizing the chemical removal of phosphorus for wastewater treatment: Insights from interpretable machine learning modeling with binary classification of elasticity and productivity
PublikacjaEnsuring compliance with total phosphorus (TP) discharge standards is essential in wastewater sector to alleviate eutrophication. This study focused on optimizing chemical removal of TP from a typical wastewater plant (WWTP) where poly aluminum chloride (PAC) is used after anaerobic-anoxic-oxic technology. With PAC consumption and TP removal in one-year daily data combined as input-output system, binary classifications of decoupling...
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Paving the way for green cross-linker substances for the fabrication of polymer membranes — a review
PublikacjaChemical cross-linking in membrane fabrication aims to face limitations of polymer membranes, including poor chemical resistance, low mechanical stability, swelling, etc. Typical cross-linkers do not fit green chemistry and sustainable principles due to their toxicity. Thus, this article discusses the successful application of green cross-linkers (including organic acids — citric, gallic, ferulic, and tannic acid, calcium chloride,...
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Performance of vertical steel plate anchor in layered cohesionless soil
PublikacjaThis study investigated the performance of steel vertical anchor plates in multi-layered cohesionless soils. The research evaluated the effects of various parameters, such as soil density, number of layers, and anchor embedment depth, on the pullout capacity of the anchors. For the research, a container with the dimensions of was filled with sand at two different densities (dense and loose) up to a height of 80 cm. The study used...
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Plasma in fabrication and modification of polymeric membranes
PublikacjaPolymer materials are mostly used in the fabrication of permeable and selective interfaces, known as membranes, for distinct membrane processes. According to their application in membrane processes, there is a need to improve specific properties such as functionality, charge, stability, hydrophilicity and chemical/physical resistance. Mostly, the surface post-modification of the membranes is suitable. In this regard, plasma, as...
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Prace remontowe betonowych posadzek przemysłowych. Część II
PublikacjaPosadzki betonowe należą do elementów w obiektach budowlanych, których projektowanie wymaga doświadczenia inżynierskiego, wykonawstwo – zachowania reżimu technologicznego, natomiast podczas ich eksploatacji niezbędne jest prowadzenie remontów okresowych. Najczęściej wykorzystywane są jako przestrzeń robocza i komunikacyjna w obiektach przemysłowych. Niezależnie od miejsca wbudowania posadzki betonowe wymagają prowadzenia okresowych...
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Praktyczna ocena wpływu położenia dybli w szczelinach dylatacyjnych na ryzyko powstania zniszczeń nawierzchni z betonu cementowego
PublikacjaCement concrete pavements are mainly implemented in Poland using unreinforced, dowelled and tieded pavement technology. The task of dowels in transverse expansion joints is to ensure proper transfer of loads between slabs and to allow free operation of slabs caused, among other things, by changes in thermal load. Recently, a significant problem has been observed in evaluating and resolving the issue of improperly placed dowels...
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Predicting creep failure life in adhesive-bonded single-lap joints using machine learning
PublikacjaAccurately predicting the creep failure life of adhesive joints, particularly single-lap adhesive joints (SLAJs), remains still a significant challenge, requiring substantial time and resources and the ability to predict the duration of creep failure in SLAJs is critical to ensuring structural integrity and reducing the failure of creep-prone adhesive joints. In this study, machine learning (ML) was used to identify the critical...
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Preliminary prediction of the increase in flood hazard from wind surges for the city of Elbląg due to climate change
PublikacjaThis study investigates the potential increase in flood hazard in the city of Elbląg, Poland, due to climate-induced intensification of wind surges in the Vistula Lagoon. Using the HEC-RAS 2D (version 6.6) model—typically applied to riverine systems but here adapted for wind-driven lagoon dynamics—we simulate both historical and hypothetical storm events to evaluate water level changes under varying wind speeds. Model validation...
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Probability of Vehicle Collision with a Road Safety Barrier
PublikacjaA well-designed and constructed road allows the driver to avoid encroachments into an area with obstacles in the road environment and to return safely to the carriageway. This is possible when there is an obstacle-free zone in the road environment or, in the absence of an obstacle-free zone, when a road safety barrier is used. This paper discusses the probability of a vehicle hitting a road safety barrier, assuming five sequences...
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Pullout performance of innovative polymer vertical anchor plates in layered soils.
PublikacjaThis study explores the innovative use of polymer plate anchors in geotechnical engineering, addressing some of the limitations of traditional steel plate anchors. We investigated the performance of polymer vertical anchor plates in multi-layered cohesionless soils, focusing on the pullout capacity under various conditions. The research evaluated the effects of soil density, number of layers, and anchor embedment depth on the pullout...
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RAGN-R: A multi-subject ensemble machine-learning method for estimating mechanical properties of advanced structural materials
PublikacjaThe utilization of advanced structural materials, such as preplaced aggregate concrete (PAC), fiber-reinforced concrete (FRC), and FRC beams has revolutionized the field of civil engineering. These materials exhibit enhanced mechanical properties compared to traditional construction materials, offering engineers unprecedented opportunities to optimize the design, construction, and performance of structures and infrastructures....
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Railway Line Upgrading Project using BIM
PublikacjaThe study concerns the application of Building Information Modelling (BIM) in the process of railway infrastructure upgrading. The research site was railway line no. 218 Prabuty-Kwidzyn (Poland). The main aim was to verify integration of BIM tools, particularly Open Rail Designer, to enhance the geometric complexity and operational effi ciency of railway projects. The methodology included: terrain data acquisition, reconstruction...
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Real-time prediction of early concrete compressive strength using AI and hydration monitoring
PublikacjaThe continuous evolution of construction technologies, particularly in reinforced concrete production, demands advanced, reliable, and efficient methodologies for real-time monitoring and prediction of concrete compressive strength. Traditional laboratory methods for assessing compressive strength are time-intensive and can introduce delays in construction workflows. This study introduces a comprehensive framework for a system...
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Recycling organic waste to biochar amended soils stabilizes Miscanthus x giganteus growth
PublikacjaSix treatments including straw biochar and its blends with organic waste (a mixture of anaerobically digested model kitchen waste, stillage and its enhancement with the fish waste digestate, both solid and liquid fractions) were tested via greenhouse experiment using fast-growing and pollution-resilient Miscanthus × giganteus. The four months long tests under spring/summer conditions in northern Poland with six fertiliser loads...
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Research on traditional corner carpentry joints of log walls - experimental and numerical analysis including friction and individual log dimensions
PublikacjaThe present studies are devoted to analysing carpentry corner log joints commonly used in log wall buildings in Eastern Europe and other parts of the world. The paper is focused on numerical analysis and experimental stiffness and load-bearing capacity tests of saddle-notch and dovetail corner joints. The solid model of element connections was applied in the Finite Element Method part. The real log dimensions and friction between...
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Response of Gross Primary Productivity (GPP) of the Desert Steppe Ecosystem in the Northern Foothills of Yinshan Mountain to Extreme Climate
PublikacjaThe desert steppe ecosystem at the Northern Foothills of the Yinshan Mountains (NFYS) is characterized by its fragility and heightened sensitivity to global climate change. Understanding the response and lag effects of Gross Primary Productivity (GPP) to climate change is imperative for advancing ecological management and fostering sustainable development. The spatiotemporal dynamics of chlorophyll fluorescence-based GPP data and...
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Road Safety as a Component of Social and Economic Costs in Road Network Functional Assessment
PublikacjaThis study examines road safety as a part of social and economic costs in sustainable development management. The research focuses on the road network in Warmia-Masuria Voivodeship, Poland, analyzing 180 homogeneous sections of regional roads totaling over 1,800 km. Two methods are employed: reactive and proactive. The reactive method assesses risk based on accident density and accident cost density, classifying road sections into...
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Selection of the technology of repair works of concrete industrial floors in view of their degree of technical dysfunctions
PublikacjaConcrete floors are among the elements in construction facilities whose design requires engineering experience, workmanship requires the maintenance of a technological regime, while during their operation it is necessary to conduct periodic repairs. They are most often used as working and communication space in industrial facilities. Regardless of the place of installation, concrete...
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Selective Enrichment of Partial Denitrifying Bacteria Enabling High Nitrite Production under Stepwise Elevated Salinity: Sludge Granulation and Metagenomic Mechanisms
PublikacjaThe innovative partial denitrification/anammox (PD/A) process holds significant promise for treating industrial wastewater containing nitrate, yet it may encounter the challenge of high salinity’s inhibitory impact. In this study, a nitrite-producing PD process, crucial for stable and efficient anammox, was developed. The effect of salt on performance was thoroughly assessed, and metabolic mechanisms were dissected. Results showed...
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Sobol’ sensitivity analysis of a 1D stochastic elasto-plastic seismic wave propagation
PublikacjaA novel numerical framework for the Sobol’ sensitivity analysis of 1D stochastic elasto-plastic wave propagation is proposed and evaluated. The forward propagation of uncertain input motions through uncertain elasto-plastic soils and structures is often conducted using the finite element method (FEM) together with the Monte Carlo simulation. However, it is computationally much more efficient to use the stochastic elasto-plastic FEM...
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Spectrophotometric determination of chlorpyrifos in foodstuffs after vortex-assisted surfactant-enhanced emulsification microextraction using magnetic deep eutectic solvents: Analytical greenness profile
PublikacjaIn this work a novel and green vortex-assisted surfactant-enhanced emulsification microextraction (VA-SEEME) based on magnetic deep eutectic solvents (MDESs) was developed for the determination of chlorpyrifos in foodstuffs by UV-Vis spectrophotometric analysis. MDES (trihexyltetradecylphosphonium chloride: MnCl2: octanoic acid) was used as the extractant, non-ionic surfactant Tween-80 was used as an extraction medium, and ethanol...
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Steering yeast-bacteria synergy by biochar to achieve enhanced endogenous ethanol-driven chain elongation
PublikacjaThe recovery of medium-chain carboxylic acids (MCCA) from waste streams through chain elongation (CE) aligns with a circular economy concept. However, the need for electron donor (ethanol) supplements and the challenges of enriching chain-elongating bacteria have limited its application. This study adopted biochar to steer a novel yeast fungi-bacteria mixed microbiome to drive CE during food waste fermentation. The effects of hydrochar...
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Strategies toward Green Deal implementation in the context of SCG reuse and recovery in the circular economy model
PublikacjaThe article explores the future outlook on integrating and using a resource database for the recovery and reuse of coffee industry residues, focusing on economic and environmental perspectives within the Circular Economy Model (CEM). With the continuous rise in global coffee consumption, the production of Spent Coffee Grounds (SCG) has also surged worldwide, presenting significant opportunities for resource recovery and recycling....
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Sustainability, reliability, and durability of civil engineering structures
PublikacjaConsidering the Bulletin Readers’ interest in civil engineering,the Special Section “Sustainability, reliability, and durability of civil engineering structures” is now presented, with papers that, by studying specific cases, fully embrace all aspects related to the topic, starting from geometry design, determination of load acting on a structure, characteristics of the material for construction purpose, characteristics of structural...
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Sustainable management of coastal organic waste: A pilot study on beach wrack treatment in reed bed system
PublikacjaBeach wrack (BW), a natural accumulation of marine organic material on coastal shorelines, presents significant management challenges due to its high water content and nutrient-rich composition. This study investigates the use of a reed bed system (RBS) for processing BW and its mixture with compost. A pilot facility was established to evaluate dewatering efficiency, stabilization processes, and changes in key parameters such as...
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TECHNICAL ASSESSMENT OF 120-YEAR-OLD RAILWAY RIVETED TRUSS BRIDGE
PublikacjaA 120-year-old railway truss bridge over the Bóbr River, Poland, is investigated in this paper from the mechanical and chemical properties of the materials by testing of old steel samples in a lab – through geodetic measurements, bathymetric measurements of the riverbed and dynamic measurements of bridge spans under service load – to the analysis of structural behaviour by finite-element modelling. The mechanical and chemical properties...
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Technological Considerations of Periodic Repair Works of Concrete Industrial Floors
PublikacjaConcrete floors are among the elements in construction facilities whose design requires engineering experience, workmanship requires the maintenance of a technological regime, while during their operation it is necessary to conduct periodic repairs. Concrete floors are most often used as working and communication space in industrial facilities, and very often they are also a functional element in objects that are immovable monuments....
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Tensile behavior evaluation of two-stage concrete using an innovative model optimization approach
PublikacjaTwo-stage concrete (TSC) is a sustainable mate- rial produced by incorporating coarse aggregates into formwork and filling the voids with a specially formulated grout mix. The significance of this study is to improve the predictive accuracy of TSC’s tensile strength, which is essential for optimizing its use in construction applications. To achieve this objective, novel and reliable predictive models were developed using advanced...
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The impact of goat hair as a natural animal fiber on properties of the lightweight cement composite
PublikacjaThe increasing demand for sustainable and eco-friendly construction materials has prompted the exploration of natural fibers as reinforcement in cement composites. This study investigates the potential of goat hair as a natural fiber reinforcement in lightweight cement composites to enhance mechanical properties and sustainability. The research evaluates goat-hair-reinforced composites’ flexural and compressive strengths at 7 and...
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The impact of mGlu2 or mGlu5 receptor activators on the production of l-arginine derivatives and the expression of PRMT5 or DDAH1 enzymes in animal models of cognitive decline
PublikacjaL-arginine derivatives (ADMA, SDMA, NMMA) are endogenous inhibitors of nitric oxide (NO֗) production, which is essential in critical brain processes including blood-brain barrier (BBB) integrity and long-term potentiation (LTP). ADMA and NMMA are degraded by dimethylarginine dimethylaminohydrolase 1 (DDAH1) and protein arginine methyltransferase 5 (PRMT5) is an emerging epigenetic enzyme that mainly represses transcription of target...
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The influence of brace to chord rotational connection stiffness on stability of the truss
PublikacjaThe paper is devoted to the numerical analysis of the roof truss subjected to upward wind loading and braced at the tensioned top chord. The linear buckling analysis were performed for the beam and shell model of the structure. As the result the influence of rotational connection stiffness between the brace and the top chord on the truss stability was appointed. The biaxial strength testing machine was used to conduct the experimental...
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The role of nanomaterials in tailoring electromembrane extraction performance: A review
PublikacjaElectromembrane extraction (EME) is a membrane-based miniaturized microextraction technique used to extract ionized analytes from complex mixtures. EME extracts can be analyzed using all major analytical instrumental techniques. The major advantages of EME include short extraction time, low consumption of organic solvents and chemicals, high extraction capability, high selectivity, and efficient sample cleanup. Numerous modifications...
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The role of sand filler in enhancing the mechanical properties of polymethylmethacrylate composites
PublikacjaPolymethylmethacrylate (PMMA) is widely used in biomechanics and civil engineering for its properties. While various fillers have been studied to enhance mechanical properties of PMMA, the impact of sand as a filler has been less explored. This study investigates the effects of varying sand content on the mechanical properties and workability of PMMA-based resin composites, assessing their suitability for biomechanical applications....
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The strategies of nutrient removal compounds from wastewater by using aquatic plants in the Green deal implementation
PublikacjaThe aim of the study was to determine the efficiency of wastewater treatment from nitrogen compounds - ammonium, nitrite, nitrate, and phosphate - using Lemna minor and Spirogyra sp. in the context of the strategies toward Green Deal Implementation. Meanwhile, the various biological treatment methods of nutrients according to the value-added and application prospects were also discussed as a future solution in the Circular Economy...
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The tensile strength of different methods of anterior cruciate ligament graft end stitches in an animal model
PublikacjaBackground: There are several methods for stitching graft ends in anterior cruciate liga-ment reconstructive surgery. The tendon-suture construct should be able to withstand ten-sioning until the graft is stabilized with an implant. Methods: In this biomechanical study, 40 porcine lower extremity tendons ends were stitched with No. 2 suture, secured to the grips of the Zwick-Roell testing machine and tested for load at failure...
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Topology, Size, and Shape Optimization in Civil Engineering Structures: A Review
PublikacjaThe optimization of civil engineering structures is critical for enhancing structural performance and material efficiency in engineering applications. Structural optimization approaches seek to determine the optimal design, by considering material performance, cost, and structural safety. The design approaches aim to reduce the built environment’s energy use and carbon emissions. This comprehensive review examines optimization...
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TRWAŁOŚĆ BETONOWYCH POSADZEK PRZEMYSŁOWYCH W ASPEKCIE ICH ŚCIERALNOŚCI
PublikacjaCelem artykułu jest wskazanie najczęściej popełnianych błędów przyczyniających się do nadmiernej ścieralności betonowych posadzek przemysłowych, których górna powierzchnia została zabezpieczona suchą posypką aplikowaną na wilgotną nawierzchnię w początkowym okresie twardnienia młodego betonu. W artykule podano także propozycje sposobu usuwania opisanych wad, oraz dyskusję na temat współczesnych metod diagnostyki betonowych posadzek...
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Unveiling the effect of SWCNT as the dopants of TiO2 in pharmaceutical mixture photocatalytic removal from water and wastewater
PublikacjaIncreased pharmaceuticals and personal care products usage increases their disposal. Low biodegradability, poor removal during conventional treatment, and long-range transport make them persistent pollutants. Removal of such pollutants is of great importance nowadays and requires advanced techniques. Photocatalysis using visible light is a promising method for detoxifying water and wastewater. In the presented studies the effect...
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Uszkodzenia podbudowy betonowych posadzek przemysłowych w następstwie zmian właściwości podłoża gruntowego
PublikacjaBetonowe posadzki przemysłowe doznają podczas użytkowania zróżnicowanych w swojej skali i czasie degradacji, ta- kich jak spękania, zarysowania i klawiszowanie. Część z tych uszko- dzeń jest spowodowana błędami i niedociągnięciami projektowymi, jak również wadami wykonawczymi płyty konstrukcyjnej, jednak znaczna ich liczba jest związana z wadliwą podbudową. Stanowi ona bowiem istotny element składowy posadzki, zapewniający wymaganą...
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Utilizing Cement Kiln Dust as an Efficient Adsorbent for Heavy Metal Removal in Wastewater Treatment
PublikacjaCement kiln dust (CKD), a by-product of cement manufacturing, has been largely underutilized despite its potential as an eco-friendly adsorbent for wastewater treatment. This study addresses the knowledge gap regarding CKD’s effectiveness in removing heavy metals from wastewater residuals. A comprehensive experimental program was conducted to optimize key parameters such as the pH (6–9), contact time, sorbent dosage, and initial heavy...
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Utilizing UAV and orthophoto data with bathymetric LiDAR in google earth engine for coastal cliff degradation assessment
PublikacjaThis study introduces a novel methodology for estimating and analysing coastal cliff degradation, using machine learning and remote sensing data. Degradation refers to both natural abrasive processes and damage to coastal reinforcement structures caused by natural events. We utilized orthophotos and LiDAR data in green and near-infrared wavelengths to identify zones impacted by storms and extreme weather events that initiated mass...
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Valorization of waste plastics to a novel metal-organic framework derived cobalt/carbon nanocatalyst as peroxymonosulfate activator for antibiotics degradation
PublikacjaMetal-organic frameworks (MOFs), with excellent structural properties, exhibit unique advantages as promising catalysts in the degradation of emerging organic contaminants (EOCs) by PS-AOPs. Herein, Co-MOF-71 was prepared by hydrothermal method using terephthalic acid (TPA) obtained from the hydrolysis of waste PET plastics as an organic ligand, and the derived cobalt/carbon composite (PETC) was prepared by carbonizing Co-MOF-71...
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Wave dispersion relations in peridynamics: Influence of kernels and similarities to nonlocal elasticity theories
PublikacjaWe investigate the wave dispersion relations of an infinite elastic bar within the framework of linear bond-based peridynamics. This nonlocal integral-type model accounts for long-range interactions, which become significant at small scales and in cases of damage and fracture. Since a key element of this material model is the kernel function, we derive dispersion curves for several kernel choices. Notably, for non-singular kernels,...
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Zabezpieczenie detalu architektonicznego obiektu zabytkowego z zastosowaniem fotogrametrii. Część I
PublikacjaPodczas eksploatacji obiektów budowlanych detale architektoniczne ulegają procesowi naturalnej dekapitalizacji, jednak często elementy wykończeniowe uszkadzane są również w wyniku aktów wandalizmu, nierzadko też ulegają zniszczeniu w następstwie działań wojennych. W przypadku obiektów będących zabytkami nieruchomymi istnieje potrzeba posiadania inwentaryzacji detali architektonicznych, ich szybkiego odtworzenia w przypadku uszkodzenia,...
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Zastosowanie fotogrametrii do tworzenia replik w obiektach zabytkowych = Application of photogrammetry for creating replicas in historical buildings
PublikacjaPodczas użytkowania zabytków nieruchomych, którymi bardzo często są obiekty sakralne, nierzadko zachodzi konieczność stworzenia, znajdującego się wewnątrz obiektu, kopii oryginalnego elementu, w tym również będącego zabytkiem ruchomym. Realizacja wiernej kopii użytkowej, niezależnie od przyczyn konieczności jej wykonania, wymaga zastosowania techniki umożliwiającej stworzenie samej repliki. Kluczowymi wymaganiami dla techniki tworzenia...
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Zintegrowany system monitoringu oddziaływania kolei na środowisko
PublikacjaW artykule przedstawiono nowy system monitoringu kolei opierający się na koncepcji sieci sensorowej IIoT (ang. Industrial Internet of Things), System charakteryzuje się przenaszalnością obszarową, skalowalnością, możliwościami konfiguracji czujników i synchronizacją pomiarów. Analiza sygnałów umożliwia syntetyczną ocenę wpływu transportu kolejowego na środowisko, a w szczególności pozwoli na rozpoznanie przyczyn zanieczyszczeń...
Rok 2024
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A comparative analysis of methods and tools for low impact development (LID) site selection
PublikacjaThe site selection for Low Impact Development (LID) practices is a significant process. It affects the effectiveness of LID in controlling stormwater surface runoff, volume, flow rate, and infiltration. This research paper presents a comprehensive review of various methods used for LID site selection. It starts by introducing different methods and tools. Three main methods: index-based methods, GIS-based multi-criteria decision...
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A Comprehensive Approach to Azo Dichlorotriazine Dye Treatment: Assessing the Impact of Physical, Chemical, and Biological Treatment Methods through Statistical Analysis of Experimental Data
PublikacjaThis exploration investigates integrated treatment systems combining advanced oxidation processes (Fenton and photo-Fenton) with biological methods for the effective elimination of stubborn organic compounds in simulated textile wastewater composed of azo Dichlorotriazine dye. A comprehensive optimization of key process factors including catalyst dosage, hydrogen peroxide quantity, irradiation duration, etc. was systematically...
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A Deformation Sweep Testing Procedure to Evaluate Damage in Cold Recycled Material Mixtures
PublikacjaThis chapter describes a new testing procedure to assess damage in cold recycled material mixtures. Specifically, stiffness modulus tests were performed at increasing deformation levels, with the objective of creating a gradual increase in damage. The succession of tests with increasing deformation was interspersed with tests at small deformation, with the objective of evaluating the damage gradually inflicted on the specimen....