Andrii Bieliatynskyi

North Minzu University · School of Civil Engineering

General data on the network of Ukrainian highways are presented. The analysis of design methods of highway reconstruction based on the theory of traffic flows and economic calculations of its repay time is made. The relationship between traffic intensity and speed is shown by considering the theory of traffic flows. The methods, taking into account...

Hydroplaning or aquaplaning is associated with the complete loss of the grip of a tyre because of the presence of a water film between the tyres of a moving vehicle (an automobile, an airplane, etc.) and the road surface. In this case, a vehicle becomes uncontrollable. Hydroplaning (aquaplaning) occurs when the speed of a vehicle reaches the critic...

Modern aerodrome pavements should be provides year-round, intense and safe operation of aircraft. The circumstances require conducting emergency repairs, which is performed without obstacle of plane's movement, during the process window. World experience of using repair mixtures showed that for the repair of airfield pavements are suitable dry one-...

The article is devoted to the analysis of existing methods of calculation of rigid heliport coverings, both domestic and foreign. Considerable attention is paid to the geometric dimensions in the plan and layout; location and orientation of heliports. Types of helipads are considered; materials used in the construction of heliports; type of structu...

This article presents a systematic approach to solving a problem with rational use of an airport’s water resources. Life cycle programming of the technological systems of wastewater purification allowed to consider comprehensively the problem of economical water consumption. The life cycle programming was adopted as the methodological basis for con...

The authors of the article focus on digital transformation as a key element of competitiveness, innovation and efficiency of enterprises, which is a fundamental change in the way of doing business and interacting with customers. In the context of the digital transformation of an enterprise, the author singles out the business technology of omnichan...

The environmental safety of the country is an integral part of national security, which is vital for determining the quality and comfort of conditions for all types of human activity. The paper proposes an assessment of the level of air pollution using geographic information systems in projects of urban environmental management. The problem of asse...

The article presents the results of the study of polymer composite materials, which consist of a polymer binder and carbon nanotubes as a filler, and their physical-mechanical, dielectric, and operational characteristics. The purpose of this work is to develop a component composition and a new technology for obtaining polymer composite materials fi...

This open access book discusses modern cutting-edge techniques and theoretical research in the domain of transportation engineering. As China's Belt and Road Initiative (BRI) gains momentum over these years, the construction of transport routes between China and its neighboring countries has seen an unprecedented rise, which draws increased attenti...

The purpose of this study is to investigate the features and properties of stone mastic asphalt in the context of its potential for practical application in road repair works, aiming to create a high‐quality road surface and replace outdated structural materials with newer alternatives. The leading approach combines a systematic analysis of the iss...

The relevance of the study is conditioned by the wide prevalence of asphalt concrete in road repair works, which implies the need to study the features of its structure and properties, in the context of the need to improve the quality of the road surface and use the most modern construction materials. The purpose of this study is to investigate the...

Thermoactive binders are the most widely used form of polymer matrix materials in modern composites. In the production of composites, thermoactive binders are the basis of the matrix structure formation process with different properties. Various thermoactive binders based on epoxy, polyester and other resins compatible with corresponding polymer ma...

BIM technology is an information system that digitally describes not only the architectural and spatial features of the building, but also the physical, technical, functional and operational characteristics of the designed object. Automatic recalculation of changed factors is the most important feature of BIM modeling. This article is focused on de...

Стаття містить огляд світового досвіду використання адитивних технологій у будівельній сфері на засадах використання 3D-друку будівель. Застосування 3D-друку дозволяє реалізувати архітектурні проекти будь-якої складності, зменшити обсяг виробничих відходів, скоротити дефіцит житлового фонду та знизити матеріальні, енергетичні та трудові витрати на...

The article contains an overview of the world experience of usingadditive technologies in the construction sector based on the use of 3Dprinting of buildings. The use of 3D printing allows you to implementarchitectural projects of any complexity, reduce the amount ofproduction waste, reduce the housing stock deficit, and reducematerial, energy, and...

Abstract. In the work, the authors propose a conceptual model of digital transformation of enterprise management processes, which includes six stages and presents an integrated approach to digital transformation. It is proposed to use omnichannel marketing in the presented model as a modern business approach to increasing the efficiency of digital...

Abstract. The paper presents an assessment of the level of air pollution using geographic information systems in projects for managing the environmental condition of the city. Using geographic information systems, modeling and visualization of the level of air pollution within the metropolis were carried out. The results of the study will make it p...

The transport system efficiency and the quality of its operation is organically connected with the improvement of air transportation technical means on the basis of modern science and technology. One of the directions of further aviation transport system development is the creation of methodological basis for optimal aircraft operation. Therefore,...

The study is an experimental and theoretical analysis of the patterns of traffic flows and the possibilities of their distribution on urban street and road networks. It considers and analyses modern approaches that make it possible to improve traffic flow control mechanisms and traffic conditions on a street and road network. Based on the establish...

The article forms a theoretical platform for defining a multipurpose cadastre at the regional level, proposes its concept, describes the directions and features of its development and implementation. It is established that the multipurpose cadastre is a modern information system that allows to form the basis for the implementation of the European l...

The article forms a theoretical platform for defining a multipurpose cadastre at the regional level, proposes its concept, describes the directions and features of its development and implementation. It is established that the multipurpose cadastre is a modern information system that allows to form the basis for the implementation of the European l...

The relevance and necessity of identifying safety factors for the use and formation of intelligent economic systems of construction companies is proven. The purpose of the study is to form a quantitative basis for the development and use of intelligent economic systems of construction companies, considering the influence of safety factors. As a res...

The relevance and necessity of identifying safety factors for the use and formation of intelligent economic systems of construction companies is proven. The purpose of the study is to form a quantitative basis for the development and use of intelligent economic systems of construction companies, considering the influence of safety factors. As a res...

The use of crushed, granulated slag is now a rational direction in the use of phosphorus waste in various areas of construction. The modern state of science and technology and the accumulated experience allow to use almost all types of metallurgical slag for the production of road-building materials. The use of slag from other industries will expan...

Introduction. The relevance of the research topic is due to the need to develop measures to ensure the development of construction enterprises (BE), using modern intellectual economic systems. Problem Statement. Proposed measures to ensure the development of construction enterprises, which are aimed at the formation and implementation of intelligen...

The relevance of the research topic is due to the need to develop measures to ensure the development of construction enterprises (BE), using modern intellectual economic systems. The article achieves the goal of economic-mathematical modeling of the integral indicator of the development of construction enterprises, taking into account the peculiari...

It has been proven that modern trends in land formation and use require a rethinking of approaches to the development and implementation of monitoring tools, taking into account the ecological features of regional development. The need and relevance of solving issues related to the formation and use of geoecological monitoring of land use at the re...

The cracking of cement-stabilized macadam (CSM) reflects to the asphalt layer, which is one of the reasons for the failure of pavement performance and structure. Adding asphalt emulsion to CSM can effectively prevent the formation of cracks. The primary purpose of this article is to reveal the effect of asphalt emulsions on the performance of CSM b...

The authors studied the influence of metro loads on the destruction of nearby buildings and construction structures with the help of BIM technologies in order to eliminate the human factor at the design stage. In the study, numerical modeling was carried out using the LIRA-SAPR software package, and dynamic loadings were set by the time integration...

The introduction of new effective road construction materials for pavements and foundations of highways is an urgent task, including the development and application of resource-saving technologies aimed at the use of low-demand, large-tonnage mineral materials, semi-finished products, industrial waste, and their by-products. Research on this topic...

Statistics of road accidents show that even in the summer the number of accidents directly depends on weather conditions, and one such reason is aquaplaning in some parts of the road. Therefore, solving the issue of improving the road structure in such areas, while maintaining the regulatory strength, equality and coefficient of adhesion are releva...

The use of complex modifiers for plain cement concrete mixtures and concrete is becoming increasingly popular in modern materials science. The article presents studies of the influence of a polymer additive structured by carbon nanomaterials on physical and mechanical characteristics of plain cement concrete mixtures. IR spectroscopy and thermograv...

This research aims to solve the problem of the controversies between low-structured and unclearly specified processes in land resource management and its use in the regions of Ukraine. This problem leads to numerous disputes in land relationships, modern methods, methodologies, and techniques that provide for the territorial development of land adm...

The relevance of the study is conditioned by the importance of the final condition of the roadside environment after road maintenance using various structural materials. The purpose of this study is to determine the state of the road environment after repair works using various materials in the context of performing a comparative analysis of such a...

The relevance of the study is conditioned by the importance of the final condition of the roadside environment after road maintenance using various structural materials. The purpose of this study is to determine the state of the road environment after repair works using various materials in the context of performing a comparative analysis of such a...

Absract. In recent years, there has been a significant progress in helicopter traffic, its volume increasing every year. To solve the transport problem of megacities, first of all heliports should be built in the largest cities, with the corporate sector as the customers, and the possibility of excursion transport flights not excluded. UTair-Ukrain...

This paper aimed at analysing the current state of methods of increasing methane generation during treatment of organic sewage sludge. The authors considered the theoretical principles of biogas production and the main directions of intensification of methane fermentation processes. A chemical study of sediments produced at sewage treatment plants...

The introduction of new road-building materials with advanced physical and mechanical properties is the trend in contemporary civil engineering, which aims to increase the quality of road surfaces. The use of cast asphalt concrete in the upper layers of road surfaces as a replacement for layers made of traditional fine-grained asphalt concrete will...

The safety of vehicles is ensured by a sufficient adhesion of the vehicle wheel to the asphalt concrete pavement, which is assessed by the adhesion coefficient. However, it is not possible to identify the reasons for the reduced adhesive properties of asphalt concrete pavement during operation by the adhesion coefficient. This can be explained by t...

With the rapid development of ferrous metallurgy, the production of iron tailings as waste after beneficiation is increasing. Due to the shortage of natural stone in road construction, iron tailings can be used as an alternative material to natural stone in semi-rigid bases. In order to study the feasibility of application of cement stabilized iron...

This paper aimed at analysing the current state of methods of increasing methane generation during treatment of organic sewage sludge. The authors considered the theoretical principles of biogas production and the main directions of intensification of methane fermentation processes. A chemical study of sediments produced at sewage treatment plants...

Ash and slag waste present a significant environmental threat on a global scale, requiring an international solution. Extensive analysis has revealed the potential utilization of waste from fuel and energy complexes across various sectors. Notably, fly ash derived from ash and slag waste generated by thermal power plants in China has emerged as a w...

This paper aimed at analysing the current state of methods of increasing methane generation during treatment of organic sewage sludge. The authors considered the theoretical principles of biogas production and the main directions of intensification of methane fermentation processes. A chemical study of sediments produced at sewage treatment plants...

The relevance of the subject matter is conditioned by the importance of resolving the issues of practical use of ash and slag waste to create a high-quality road surface. The aim of the study is to determine the main promising areas for the use of ash and slag waste in creating a reliable road surface structure during roadway repair. The leading ap...

The purpose of the study is to investigate the practical aspects of environmental pollution near motorways by dust particles formed during repair works and to identify specific ways to improve the overall environmental situation near highways and reduce the level of pollution during road maintenance. The leading approach is a systematic analysis of...

The purpose of the work was to determine the properties of the developed material (bitumen). In this study, the technological process was improved by modifying low-molecular weight butadiene and chloroprene rubbers structured with carbon nanotubes (CNTs) to obtain a material with the necessary set of desired properties. The article shows the possib...

The objective of the study is to review the theoretical and practical methods for determining the reliability of buildings that have been in operation for more than 50–70 years. The necessity to survey the technical state of the operating buildings to monitor the required parameters of their reliability and safety has recently become one of the mos...

The topicality of the problem under research is due to the changes in educational systems (from elementary to higher) in Ukraine and throughout the world caused by COVID-19. The authors believe digital technologies that allow keeping in contact under COVID-19 while studying or working should be examined. The article determines which groups of the p...

The study aims to optimize the composition of the main composite, the components of which, in their joint presence, make it possible to obtain the most significant positive synergistic effect. The authors of this article used the fibers of fly ash from thermal power plants as a finely dispersed component added to the crushed stone sand mixture. The...

In accordance with the principles of sustainable development, improving the quality and durability of structural elements and coatings, the construction industry requires the development and the implementation of resource-and energy-efficient building materials, as well as innovative technologies for their production. The use of complex modifiers f...

There is a global problem of effective use of ash and slag waste for practical purposes. The relevance of the subject under study is conditioned by the prospects for the use of ash and slag in the design and planning of pavement structures during the road maintenance and, consequently, the need for the effectiveness of the practical use of such tec...

The purpose of research work should be considered the practical aspects study of environmental pollution near highways with dust particles generated during repair work. The results of the study reflect the entire scope of research work carried out in order to determine the optimal composition of the concrete mixture for road repair work, which make...

Highlights X The concept of the territorial development of land administration have been defined. X It allowed the theoretical and methodological platform to be formulated based on the systematic approach. X The conceptual diagram has been developed. X The best practices of the existing approaches have accumulated. X A set of tools for the implemen...

The relevance of the study is conditioned by the urgent need for the practical derivation of clear criteria for assessing the degree of influence of certain materials used in road construction on the state of the roadside environment directly during such works, including the overall environmental situation in the area. In this context, the main pur...

At this stage of the construction industry part work, engaged in the production and implementation of building materials, in order to meet the needs of the road industry during the repair, construction and highways roadbed operation, it is necessary to reduce the cost of building materials, while it is desirable to improve the technical and operati...

The recycling methods used in the construction and repairing of asphalt concrete pavements are being constantly improved, and the improvements mostly fall under one of the following common avenues of innovation: developing new binders based on bitumen and cement; developing new varieties of asphalt concrete and other materials having an equivalent...

The work considers empathy as a key component of the Design Thinking technology in IT project management. It is shown that design thinking technology is one of the varieties of flexible technologies of software product creation. In addition, design thinking is a client-oriented technology for IT project management. It is shown that empathy is a key...

ABSTRACT Slowly curingepoxy asphalt concrete has high physical properties and low sensitivity to temperature changes, which allows ituse as a road surface on a rigid base. However, a negative property of epoxy asphalt concrete is the ability to gain strength over a long period of operation. The epoxy-asphalt concrete really gains its initial streng...

Modern materials science has faced the problem of reducing the cost of raw materials and labor costs while obtaining basic construction materials (cement concrete) with increased performance properties. The article aims to substantiate the use of carbon nanotubes of fly ash as a cement concrete modifier to be reasonable for solving the above proble...

The addition of fly ash from thermal power plants (TPP) and chemical additives, such as polycondensation products of acetone and formaldehyde, is an effective and economical method for increasing the strength and durability of building materials, in particular concrete. Fly ash added to the concrete and mortars at 10%–15% does not reduce their tech...

Devices based on nonlinear (parametric) capacitance are widely used in various telecommunication systems to create parametric devices for various purposes (converters, multipliers, amplifiers). Potentially achievable electrical characteristics of parametric devices are determined by Manley-Rowe frequency-energy ratios, according to which filters of...

The relevance of this study is conditioned by the high degree of importance of creating the latest modifications of the polymer–bitumen binder for the manufacture of high-quality asphalt concrete, for its subsequent use in the construction of motorways and concrete pavements of airfields. In this context, the purpose of the study is to obtain new,...

The relevance of the study is due to the modern production being focused on the development of efficient materials that would provide for the minimum consumption of raw materials, a decrease in its cost and energy during the production and direct use of secondary resources. That is because recycling, disposal, neutralization and collection of indus...

This book gathers the latest advances, innovations, and applications in the field of aerospace technology and aviation safety, as presented by researchers at the 9th World Congress “Aviation in the XXI Century”: Safety in Aviation and Space Technologies, held in Kyiv, Ukraine. It covers highly diverse topics, including carbon neutral aviation, prec...

An effective solution to the problems of saving costs and resources in road construction and road repair is the reuse of the road surface. The granulometric composition and physical and mechanical properties of asphalt granulate were determined, the properties of the bitumen emulsion were defined, the physicomechanical and operational characteristi...

Enhancing the quality, improving the compositions and technology of crushed stone-mastic asphalt concrete are among the urgent problems in Ukraine. The feasibility to use modifying additives in the compositions of asphalt concrete mixtures to improve the quality of crushed stone-mastic asphalt has been defined. For the first time in Ukraine, labora...