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...

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...

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 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...

The modern stage in the development of nanotechnology is characterized by a fundamentally new approach to the design of high-precision information-measuring systems (MIS) of mechanical quantities. In this regard, the system approach to solving the problems of structural-kinematic analysis and the synthesis of measuring systems based on scanning pro...

This paper discusses a work that contains a study to solve the optimal saturation of cities’ street network elements by vehicles. The work is based on experimental-theoretical studies of patterns for headway determination between vehicles on the city arterial streets. The main approaches to determining the traffic capacity of roads and carriageways...

The following items are considered: requirements, constructive decisions for helipads; covering plate design of the helipad located on the building roof; helipad modeling in LIRA CAD SP; calculation of a multi-storey building with a helipad on the roof, check for strength and rigidity; characteristics of the helipad on the building roof.

The purpose of the article is to reveal the essence of initiatives of international organizations during the impact of COVID-19 on educational institutions in the world and in Ukraine, to identify and analyze the quality of education and ensure constant updating of educational content based on the latest advances in culture, science and technology,...

The thesis is relevant to a problem of use space shooting and airborne techniques for hydrological survey of bridge passages. There has been developed a new valid approach to hydrological survey of bridge passages, based on use of remote Earth sounding methods, which are accomplished from an artificial satellite, an airplane or another aircraft. T...

There are given the investigation results of bitumen modified with the polymer latex Butonal NS 104 depending on temperature, time and the modifying agent amount, taking into account the manufacturing company BASF recommendations. The carried research has shown the possibility to produce bituminous polymer on the polymer latex Butonal NS basis that...

When drawing up a feasibility study of designing estimates for the repair of a bridge across the Kunka River of the M-12 Stryi-Ternopil-Kropyvnytskyi-Znamianka motorway section (via Vinnytsia) due to the proximity of a number of reservoirs formed by obsolete dams with increased pressure and a high probability of damage to the bridge from the format...

The electrical analogue model for the analysis and optimization of traffic flows in the urban road network has been improved. Implementation method for the simulation model, which is aimed at the increase of throughput capacity of the road network by means of redistribution of the congestion levels of different sections, has been proposed. Key aspe...

The study is aimed at solving the problem of creating and ensuring the conditions for optimal intensity of vehicles on the elements of the street network of cities. The basis of the work is experimental and theoretical studies of the principles of city passenger traffic and needs of city inhabitants in use of the street network. The results of a qu...

The article is devoted to the analysis of theoretical and experimental data of the geosynthetic layers reinforcing functions and their functional interaction with other layers in the top dressing structure. The materials and results are presented in accordance with the basis of a project on a highway section reconstruction by means of geosynthetics...

The article is devoted to the technology of carrying out works on reinforcing the embankment slopes with the optimal type of geosynthetic material - BV-I geomat made of basalt fibers and substantiating the location of the interlayer in the sloping section of the embankment. Existing geosynthetic materials used for slope reinforcement are analyzed a...

Анотація. У статті виконано чисельні дослідження напружено-деформованого стану жорстких аеродромних покриттів від багатоколісного навантаження надважкого літака. Проаналізовані публікації в сфері розрахунку та конструювання жорстких аеродромних покриттів. За результатами чисельного розрахунку побудовані епюри згинальних моментів, переміщень та реак...

A new design has been developed that allows you to quickly open the package and keep it open. The proposed design, combined with the latest industrial technology, can be widely used in packaging liquids in the food industry.

In recent years, the number of heavy vehicles has increased on the roads of Ukraine. But coatings that were built long ago and according to the old standards do not withstand overhauls. This leads to premature destruction of the road structure, which is also facilitated by negative weather factors. One of the ways to increase the durability of road...

Стаття присвячена актуальним питанням дослідження конструктивної системи висотних будівель, яка утворює архітектурний образ і об’ємно-просторову структуру, що складається із сукупності взаємозв’язаних конструктивних елементів, які при сумісній роботі забезпечують міцність просторової структури, просторову жорсткість і загальну стійкість об’єкта. У...

Стаття присвячена історії 50-річного заснування кафедри аеропортів факультету аеропортів Національного авіаційного університету (1969-2019рр). Приводяться відомості про перших деканів факультету аеропортів. З грудні 1969 року почала свою роботу профілююча та випускова кафедра аеропортів для підготовка фахівців за спеціальністю «Будівництво аеродром...

The latest construction technology for rescuing people from high-rise buildings in the event of a fire has been developed and patented. The structure can be used during a fire in the highest floors of high-rise buildings-skyscrapers.

Стрімке зростання числа великовантажних автомобілів на дорогах, збільшення інтенсивності руху і, як наслідок, збільшення осьових навантажень на дорожнє покриття, сприяє розвитку деформацій асфальтобетонних доріг створених на основі звичайних бітумів. Основна проблема, що виникає у зв'язку з високими осьовими навантаженнями і великою інтенсивністю р...

Результаты диагностики автомобильных дорог в Украине свидетельствуют, что в настоящее время 77 % автомобильных дорог требуют увеличения прочности дорожной одежды, 71 %-увеличения ровности проезжей части и 74%-улучшения сцепных свойств покрытий (Кокодеева 2014). Исследовано, что со временем это приводит к появлению на покрытии различных деформаций и...

The results of a questionnaire survey of Kyiv residents regarding their traffic to work places are considered and analyzed, taking into account the administrative-territorial division of the city territory. The traffic model of Kyiv city residents between its districts has been developed, on the basis of which the model of “bottlenecks” interconnec...

The article studies the problem of calculating the loss of atmospheric precipitation to the earth surface in the design of culverts and drainage systems of objects on highways. The analysis of current research revealed that existing expressions for determining infiltration do not currently fully take into account the physical processes that occur d...

The survey of traffic light intersections of the Kyiv street network has been analyzed. The certain regularities leading to the delays and traffic difficulties were revealed in results obtained.

For research conduction to prepare the modified bitumen and the polymer asphalt concrete there were used the stone materials from the Malynsky enterprise and the mineral powdered lime, the petroleum paving bitumen of 60/90 grade from the Mozyrsky enterprise, and the Butanol NS 198 modifier. Conducted research showed that the asphalt concretes produ...

Conductive asphalt concrete can eliminate snow and icing on road areas, and is a research hot topic for intelligent snow removal. By adding graphite, the electrical resistivity of asphalt concrete can be reduced to achieve the purpose of electrical conductivity. However, the aggregate electrical resistance in asphalt concrete is very large and does...

Steel slag asphalt concrete is one of the important components of asphalt concrete. There are some differences between the steel slag asphalt concrete and ordinary asphalt concrete. Based on the research of scholars at home and abroad, this paper systematically introduces the steel slag characteristics and excellent performance of steel slag asphal...

Стаття присвячена актуальним питанням дослідження конструктивних схем багатоповерхових будівель. Проектування висотних будівель будь-якого призначення починається з вирішення основного завдання – вибору конструктивної системи виходячи з функціонально-технологічних вимог. Вибір конструктивної системи визначає роль кожного несучого конструктивного ел...

An analysis of the condition and problems of stops of route transport functioning was carried out. The research used theoretical and empirical methods, mathematical modeling for creating a mathematical model of the bandwidth of stopping route transport and the final formalization of the scheme of its operation with and without maneuvering. Analyzin...

The presence of reinforcing fibers in concrete in terms of their optimal content increases density, uniformity and reduces the risk of cracking which allow predicting the increased dynamic resistance, frost resistance, abrasiveness and durability of both cement and asphalt concrete. This article presents the results of experimental studies of the p...

На сьогоднішній день проблемам підвищення пропускної спроможності вулично-дорожньої мережі населених пунктів присвячено дуже багато наукових праць закордонних та вітчизняних фахівців, які певною міроювизначають та рекомендують можливі методи покращення відповідної ситуації на певних ділянках міських вулиць.

Викладено технологію будівництва та капітального ремонту аеродромів. Наведено технологічні схеми при виконанні будівництва та капітального ремонту аеродромів.Для студентів спеціальності 192 «Будівництво та цивільна інженерія» спеціалізації «Автомобільні дороги і аеродроми» вищих навчальних закладів. Стислий зміст Вступ Розділ 1. Загальна характ...

«Water supply and drain» is one of the basic academic disciplines studied in the fifth semester. In the process of expert training, it forms a theoretical basis of a whole complex of knowledge and skills required when seeking qualified solution to the existing complex issues related to water intake from sources, water treatment in compliance with c...

Transport problems of the cities and main approaches of their solution The analysis of transport problems in the cities of Ukraine was carried out. The main approaches for improvement of traffic management conditions on city streets and roads are substantiated.

Problems of counteraction to fire danger and fire resistance of high-rise buildings In this work the terms and designations, history of creation and development of high-rise building are considered. The trends of high-rise house building development are outlined. The reasons and consequences of the destruction of high-rise buildings from the effect...

Designing traffic distribution for non-signal intersection of transport interchanges in one level in the central business districts of the city CBD-is the central business part of the district or city, it has a large number of modern infrastructure facilities, such as business facilities, financial structures, cultural facilities and communications...

Traffic congestion is a world problem and an important factor restricting urban development. In order to solve the problem of urban traffic congestion, this paper takes the traffic flow theory and the intersection channel design theory as the research foundation, and conducts in-depth research on the causes of congestion at the intersection and the...

У монографії наведено огляд публікацій з всесвітнього досвіду конструювання висотних будівель. Розглянута еволюція конструктивних систем і схем: від споруд підвищеної поверховості до надвисоких хмарочосів сучасності. Викладено особливості проектування об'ємно-просторових стркутур і архітектурно-конструктивних рішень.

The state of surface water near airports is extremely critical in Ukraine. Air transport enterprises lead to intense pollution of water facilities by industrial and household wastewater. Therefore, the urgent problem is the improvement of the quality of operation of treatment facilities at airports by introducing automated control systems. The effi...

Большое количество отечественных и зарубежных материалов исследований показывают, что: «Резиновый порошок использованных автомобильных покрышек, применяемый в строительных материалах, может проявлять множество полезных свойств, придает строи-тельным материалам целый ряд свойств композитных материалов». Однако, из-за особенностей материала и структу...

STREETS AND ROADS SETTLEMENTS

An integrated approach to the solution of the water resources utilization problem at all airport management levels is presented in this article. The assessment of the demand for water resources is carried out at organizational and economic level of management. Optimization of water consumption aimed at normal functioning of air-transport production...