bluuebunny/crossref_metadata_2025_split huggingface dataset:
Asphalt concrete on the basis of converter slags
Authors: Kovalev N S , Otarova E N , Gladnev V V , Sadygov E A ogly , Demidov P V , Panin E V 
Published: August 2020

Abstract
The properties of converter slag, its activity and the influence of the degree of decay on the structural and mechanical properties of asphalt concrete are studied. It has been established that asphalt concrete with a degree of decay of converter slag of 1.24 % or less can be used for paving roads. It has increased heat, water and frost resistance, which will significantly increase the service life of roads from the beginning of operation to overhaul.
Automation system for oil and gas service enterprises
Authors: Remizova I V , Krugovaya T S , Krotova S Yu , Ovchinnikova E N 
Published: August 2020

Abstract
The paper presents the results of the development of a single integrated solution for the automation of technological processes of service enterprises of the oil and gas sector, which allows to organize the work of production and management in a single information space. Algorithms have been developed to solve individual problems that are interconnected into certain algorithmic modules. The results of the integration analysis of modern automation systems of the ERP-class are presented, in particular, the level of adaptation to the stages of the product life cycle, compliance with standards and safety requirements, the complexity of the transition to the automation system. The results of the analysis of possible risks of the project during the implementation of this algorithm are presented. The practical significance of the development of a single production management algorithm is described. Finally, the treatise evaluates the main advantages and economic effect of the introduction of an automation system for an enterprise engaged in the production of oil and gas pipes at the process control level.
Technology for the formation of refractory metals for micro- and nanoelectronics products
Authors: Mustafaev G A , Khasanov A I , Cherkesova N V , Mustafaev A G 
Published: August 2020

Abstract
Metal silicides play a significant role in the preparation of ohmic contacts and Schottky barriers on silicon. The formation of ohmic contacts is carried out by applying a metal film with a thickness of ∼ 100 nm to silicon, followed by annealing at temperatures of 400–600 °C, as a result of which there is a reaction between silicon and metal with the formation of silicide. With this technology, silicon diffusion leads to instability of devices. In this regard, the authors developed an improved technology for the formation of silicides of refractory metals to obtain ohmic contacts. Ion implantation allows, due to ionic mixing, forming nickel silicide on the surface of the samples when heated. It is important that, with an increase in the radiation dose, the formation of Ni2Si silicide slows down. This effect can be explained by the formation of a dielectric Ni3Si2. Similar phenomena were observed during the bombardment by oxygen and nitrogen ions.
Anticorrosion properties of manganese-containing complex oxides, obtained by stoneware method
Authors: Nurislamova E A , Ziganshina M R , Stepin S N , Mendelson V A 
Published: August 2020

Abstract
In recent years, in the search for alternatives to toxic anticorrosive chromium pigments, the use of complex metal oxides in this capacity has been actively developed. In this work, the anticorrosive and other physicochemical properties of complex oxides, including manganese in oxidation degrees +4 and +5, obtained by the calcination method were investigated. As a result, it has been shown that the products obtained have good prospects for being used as anti-corrosion pigments. Higher inhibitory properties of pigments containing manganese in oxidation state +5, is probably a consequence of their aqueous extract’s alkaline reaction. During the experiments, it was found that the competitiveness of the synthesized pigments can be markedly enhanced by using natural ore, pyrolusite, as manganese source.
To a question of a choice of a method of production of construction works on set of technological cards
Authors: Sinenko S A 
Published: August 2020

Abstract
The need to create an automated system for selecting rational organizational and technological solutions based on modern design technologies. Methods. Based on known BIM building information modeling objects are created by the Bank (information base) of typical technological cards (TC) from which the method of the study criteria based on modified genetic algorithms (GA) is the most efficient TC for this type of work. Results. The article deals with the choice of the method of production of construction works on the set of technological maps of construction and installation works. Conclusion.
Visualization of process maps for construction and installation works
Authors: Sinenko S A , Aliev S A 
Published: August 2020

Abstract
the article presents the principles, methods and means of visualization of organizational and technological solutions developed as a part of technological maps for the production of construction and special operations. In this paper, the authors analyze the possible ways of the development of visualization of organizational and technological solutions. The examples of 3D images of the main production schemes as a part of technological maps for the installation of beams in machine rooms in the building of hydroelectric power plants are shown. The developed display techniques can be used in the practice of the design of technological maps for the production of construction and special operations. This technology will expand the scope of modern design tools in the practice of construction production.
Properties of foam concrete based on highly concentrated aluminosilicate binder suspension
Authors: Sivalneva M N , Strokova V V , Kobzev V A 
Published: August 2020

Abstract
Cementless binders and building materials are promising. The article presents results of production of foam concrete compositions using high-concentration aluminosilicate binder suspension based on granodiorite. Their basic physical and mechanical characteristics and microstructural features are described. The method of multifactor experiment was used, which allows to vary the parameters: water-solid ratio, amount of binder component and stabilizing additive. Thus, during steps of mathematical planning, optimal parameters were recommended, the observance of which is necessary to obtain cementless cellular composites with the best properties.
Preliminary assessment of the earth’s surface movement in the impact zone of a subway tunnel construction
Authors: Alekseev G V , Medvedev E A , Tereshin A A 
Published: August 2020

Abstract
Numerical modeling of the displacement of the earth’s surface during the construction of deep tunnels is considered on the example of one of the Moscow metro lines. Based on the results of numerical simulation of the driving of one and two tunnels using several calculation schemes, the forecast parameters of the displacement trough, such as subsidence, slopes, curvature, horizontal deformations of the earth’s surface, are determined. According to the criteria of deformations of the earth’s surface, a tunnel influence zone is constructed. In the influence zone of tunnels, it is necessary to create observation stations for surveying (geodetic) monitoring of subsidence of buildings and the earth’s surface, including using automated monitoring systems. According to monitoring data, the parameters of the calculation models are adjusted to increase the reliability of the simulation results. A technique is proposed for a preliminary assessment of the displacement of the earth’s surface in the influence zone of the construction of subways tunnels.
Unconventional raw materials in silicate materials designing based on technogenic metasomatism knowledge
Authors: Volodchenko A , Lesovik V , Volodchenko A , Cherepanova I 
Published: August 2020

Abstract
A large number of scientific schools is working over improving existing building materials and designing some new composites for various functional purposes, where the composites properties play a very important role. However, priority is given to the initial properties of building composites but one of the main indicators by which these properties could be evaluated after prolonged use and under the influence of natural and man-made processes is durability. The study on building materials under changing operating conditions, based on unconventional natural and man-made materials is becoming very interesting and relevant for today. The theoretical basis for increasing the durability of building materials may be the theoretical knowledge of technogenic metasomatism in building materials science. It has been established that the use of unconventional natural and technogenic raw materials, in particular unconventional clay rocks for production of hydrothermal hardening silicate materials will help to achieve the necessary structurization level and maximum physic-mechanical properties of highly efficient wall products under various operating conditions.
Prospects of applying formation water and heavy brines derived therefrom in oil production and national economy
Authors: Kadyrov R R , Mukhametshin V V , Galiullina I F , Kuleshova L S , Safiullina A R 
Published: August 2020

Abstract
In recent years, the amount of minerals recovered from the earth interior exceeds their production over the entire past human history. The reserves of some rare elements have been significantly reduced and the demand for them has increased dramatically through the use of new techniques and technologies. The task of developing new types of mineral raw materials from formation waters has become ever more relevant. In the process of formation water preparation during the production of table salt the fluids and heavy brines are obtained, which are suitable for their further use in oil production. The fluid obtained through deferrization of formation water has reduced content of magnesium ions. The use of this fluid makes it possible to increase the mechanical strength of the cement stone, the tightness of the “column-cement stone” contact zone, and to reduce magnesia corrosion.
The use of variable frequency drive for the operation of the NBT mud pump
Authors: Suleimanov R I , Khabibullin M Ya 
Published: August 2020

Abstract
The article discusses the process of optimizing the operation of the NBT-600 mud pump by adjusting the frequency of the current supplied to the pump drive. As a result of a technical measure, efficient operation of the pump is ensured, the energy consumption of the pump unit is reduced, and the main parameters of the pump are increased.
Schools of architecture as an instrument of architectural policy on the examples of European countries
Authors: Yesipov A O , Myronenko V P , Ivanova N V 
Published: August 2020

Abstract
The purpose of this article was to analyze the cultural policies in the field of architecture in various European countries and consider the principles of using the tools of schools of architecture as its element. Such issues are especially relevant for Ukraine, where the problem is the lack of regulated norms for Ukrainian architectural policy and specialized state institutions. The need to draw attention to the architectural education of Ukraine is due to its lack of actualization compared to advanced European countries and the depletion of the physical plant of universities. An analysis of foreign experience will make it possible to use the potential of universities to solve the problems facing the society.
The problem of formation of innovative directions in the profession “Architect”
Authors: Fomenko Oksana , Danylov Serhii , Sleptcov Oleg , Izbash Andrii 
Published: August 2020

Abstract
The paper investigates the phenomenon of the impact of innovation on the formation of competencies, specializations and specialities in the profession “Architect”. A research model is proposed that describes the impact on the profession of innovative, architectural and construction factors and the goal-setting factors of innovative knowledge and technologies. The features of the influence of changes in the socio-economic factor of the functioning of Kharkiv (Ukraine) on the formation of new urban areas in architecture are described. An experiment is described to create a cognitive model of the “Novi Doma” housing estate, Kharkiv, in which the authors of the study participated as expert architects. The deep socioeconomic crisis of the housing estate revealed and described in the experiment made it possible to draw conclusions about the parameters of a new scientific and educational direction in urban studies.
Reactive powder concrete incorporating metakaolin and fly ash for monumental architectural objects
Authors: Dvorkin L , Zhitkovsky V , Lushnikova N , Fursovych M 
Published: August 2020

Abstract
The paper gives coverage on the properties of reactive powder concrete, incorporating metakaolin and fly ash and polyacrylate superplasticizer. There are given results of comparative research of reactive powder concrete (RPC) containing silica fume. There are also considered the impact of curing conditions on the strength of RPC specimens. The combination of fly ash and metakaolin is the effective composite mineral additive that allows to obtain RPC without silica fume. The optimal dosage of metakaolin in composite admixture from the point of maximum flexural and compressive strength was about 10% by cement weight. The curing of the RPC specimens in the hot water at t=80°C increases compressive strength of concrete at 20-25%. Adding the combination of metakaolin and fly ash with permits to achieve RPC high values of mechanical properties compatible to RPC containing silica fume. High fluidity of fresh concrete along with high performance of hardened concrete allows to apply RPC for manufacturing architectural elements of non-linear geometry, thin structures, and other.
Architectural construction using technologies based on knowledge about the flow of Bingham plastic fluids in various pipelines
Authors: Zadorozhnyi A A 
Published: August 2020

Abstract
Currently, such types of engineering work as construction of classic buildings and structures, as well as erection of new ones that have an irregular shape, i.e. curved, arched, elliptical, round and similar surfaces, can be performed using complex technological equipment, such as combined external or internal formwork, the use of shotcrete technology together with the off-formwork construction technologies (3D printers). One of the prerequisites for uniform transportation of media by a concrete pump through pipelines, concrete conveying pipes, and most importantly, their homogeneous distribution by an extruder during layering, is a study based on mathematical modeling and comparative analysis of mathematical models of the flow of Shvedov-Bingham fluids in pipelines of various cross-sections, determining the performance, optimal rheological properties of mortars and concrete liquids. This will allow further control of their fluidity and plastic viscosity during the extrusion process.
Radiation protective properties of fine-grained concretes and their radiation resistance
Authors: Anopko D V , Honchar O A , Kochevykh M O , Kushnierova L O 
Published: August 2020

Abstract
Studies have shown that the thickness of the half layer of the gamma radiation flux attenuation with E = 662 keV is 3,5-5,2 cm (depending on the concrete density average) and for a neutron flux with E = 2,5 MeV is 5-6 cm. The radiation resistance of concrete under the influence of gamma radiation large doses, their activity and radionuclide composition after irradiation with neutrons was investigated. To study the behaviour of concrete under the influence of gamma radiation, two series of samples were made. One series was the control, and the second was exposed to gamma radiation. The temperature of the samples during testing did not exceed 40 °C, the dose of gamma radiation was 109 rad. Its value corresponds to the dose that concrete can receive when it comes into contact with highly radioactive wastes from the “Shelter” facility for 300 years. The characteristic of an industrial gamma-ray plant is radiation energy of 1,25 MeV and a dose rate of 2 Mrad/h. Using this setup allows you to reach a dose of 109 rad in less than a month, and 108 rad in 4 - 5 days. Concrete that reached the age of 28 days and stored under normal conditions was exposed to gamma radiation. Analysing the obtained data of physical and mechanical tests of radiation-protective compositions, it can be noted that large doses of gamma radiation practically do not affect the strength of the developed material.
Evaluation of the frost resistance of concrete in real operating conditions
Authors: Lapovska S D , Krasnianskyi G Iu , Klapchenko V I , Aznaurian I O 
Published: August 2020

Abstract
The article proposes a method for evaluating the frost resistance of concrete at actual operating temperatures, using measurement results at temperatures that are regulated by current standards. Frost resistance was evaluated by determining the amount of water freezing at different temperatures, based on the measured adsorption isobars and the obtained relationship between the freezing temperature of water in concrete pores and relative humidity. A comparison of the calculated values of the frost resistance of concrete with those got based on direct measurements showed the adequacy of the calculation model. To get information about the frost resistance of concrete during unilateral freezing, a conductometric method was used to determine the kinetics of moisture diffusion and ice formation. It is shown that the use of this method allows one to establish the propagation speed of the ice formation and water diffusion front and the corresponding freezing depth of concrete samples depending on their capillary-porous structure and initial storage conditions. In general, the studies conducted allowed us to get a more reliable picture of the behaviour of concrete under alternating temperature load than is provided for by current regulatory documents.
Manufacture of construction materials by energy-saving technology through the example of the Bashkir region
Authors: Gabitov A I , Ryazanova V A , Salov A S , Gaisin A M , Timofeev A A 
Published: August 2020

Abstract
Information on the history and formation of the production and application of efficient concrete walling items and road facilities in the construction practice is presented herein by studying historical data. Ways to improve quality of small walling items and road facilities to comply with current energy-saving requirements are analyzed from the historical point of view. Vibropressed technology became widespread over 40 years ago in North America and Europe, being characterized by high capacity and automation of equipment with abilities to manufacture wide spectrum of products by size, shape, finish and color distinguished by low material and energy intensity of production, efficiency of application thereof in energy-saving wall constructions. Special features in making vibropressed concrete items by Besser equipment in the Bashkortostan construction companies are presented.
Ecological efficiency photocatalytic concrete
Authors: Sopov V P , Shyshko N S , Kondrashchenko V I , Yihe Zhang 
Published: August 2020

AbstractThe process of urbanization is accompanied by the formation of a high density of street highways, buildings, people, transport and industrial enterprises, high energy consumption, an increase in the amount of waste and the release of a large amount of pollutants into the atmosphere and the aquatic environment. Air pollution is one of the most serious environmental problems in cities and poses a threat to vegetation, animals, materials and human health. One of the main environmental pollutants is nitrogen oxides (NOx). Finding ways to remove NOxfrom the surrounding air is a necessity today, as it will help to improve the ecology of large cities, as well as reduce O3concentration at ground level. Titanium Dioxide (TiO2) is a natural semiconductor material that is widely used in many industries. In construction, titanium dioxide is used to create building materials with a self-cleaning surface. In recent years, a fairly powerful photocatalytic effect of surfaces with titanium dioxide has been discovered. Self-cleaning combined with the photocatalytic effect of TiO2makes it an ideal additive in the production of building materials for urban environments. Depending on the application, TiO2can be used as a coating, additive in concrete, gypsum or paint. TiO2can be used for surfaces of paving elements or building facades, retaining walls, tunnels. In this paper, we study the effect of the addition of titanium dioxide on the formation of the physicochemical properties of concrete.
A study of the alkali-silica reaction in recycled glass concrete
Authors: Sopov V P , Korkh O I , Izbash M Yu 
Published: August 2020

Abstract
Recently, it has been paid more and more attention to the concept of sustainable development. One of these technologies is the production of “green concrete”. It can be created by replacing natural concrete aggregate with secondary one. Therefore, white glass cullet was used as a replacement for 30% of coarse and fine aggregates in this study to design “green concrete”. It was designed four concrete mixes for the investigation. Measurement of the fresh concrete mixes’ performance showed that the use of glass aggregates reduces its workability. But it can be increased by using chemical admixtures. The highest strength - 28.94% more than the control sample, was obtained by a sample that contained coarse of glass aggregate and had low water-cement ratio. Sample №3 had lower strength only for 1.62% than sample №1 among mixtures with normal W/c ratio. Исследование фазовых превращений показало
Architectural and Urban Planning Features of Ecotopia
Authors: Fedak A 
Published: August 2020

Abstract
This article has been devoted to the analysis of the description of architecture in the works of utopian philosophers, and the identification of the main means by which they tried to ensure the environmental friendliness of their society and connection with nature. Utopian ideas and concepts arise as a result of dissatisfaction with the standard of living and contribute to the active development of society. The models of states described in utopian works serve as a source of ideas for possible scenarios for improving current systems. Ecotopies are a specific type of utopias which describe states with a clear and exclusively ecologically-oriented social order. This article presents an analysis of architectural and engineering means of communication with nature in the works by Plato, T. More, T. Campanella, Cyrano de Bergerac, D. Vairasse and V. Odoyevsky. The work of E. Callenbach, as the first example of ecotopia, is analyzed in detail, and the peculiarities of the architecture and urban structure of the cities of Ecotopia are highlighted.
Peculiarities of Formation of a Systems Approach in Domestic Urban Planning
Authors: Ladigina I V , Rudenko A O 
Published: August 2020

Abstract
The formation of a systems approach to urban planning in Ukraine is considered, starting from the second half of the twentieth century. Territories with a high level of urban planning development were formed at the time as a result of the development of an industrial component of the production industrial complex, which became the basis for perspective formation of urban systems as real entities. The transition to post-industrial relations causes the increase in complexity of urban systems and their study as complex, open, non-linear, socio-territorial entities capable of self-organization as a real process that takes place in their structure.