This article is devoted to the study of domestic and international experience in designing children’s educational centers. The purpose of the study is to identify urban planning and spatial-planning aspects of design, as well as trends and approaches to designing children’s educational centers, taking into account the specific features of architectural development.

Keywords: education, design, leisure, culture, planning solution, structure, multifunctionality, unique facility, environment, public space

The article reveals the topic of improving the processes of concreting monolithic structures. An absentee survey of respondents from among the existing manufacturers of works, construction control engineers and foremen was conducted. Information was obtained that is not always reflected in documentary sources or direct observation. The direct processes of transportation, feeding, laying and care of the concrete mix, as well as related processes, were monitored and analyzed.

Keywords: technologies, organization, technological process, concrete works, monolithic structures, operational control, construction control, economic potential

This article presents a study of the dependence of the deflation of fine grain dust on the air flow rate, as well as other factors affecting it. This study is important for the summary calculation of the dispersion of emissions of harmful substances from unorganized sources of enterprises into the atmospheric urban air, as well as for the selection of dust suppression measures and a better understanding of the processes of dust propagation.

Keywords: grain dust, dispersed composition, aerodynamic characteristics, specific deflation, dust propagation, atmospheric air

The article discusses the parametric dependencies of cylindrical rod shells in terms of their effect on the state of force and movement of nodes in the grid area. Critical condition factors are analyzed, taking into account the degree of cell filling and the magnitude of the discrepancy between the specified characteristics. The analysis of the formative parameters is carried out and the rational limits of their possible use are established. The factor of taking into account the size of the cell with the location of the rods inside the faces has been introduced. The basic ratios are obtained and the degree of sensitivity of the calculated models to changes in geometric shape is estimated. The limiting angle of the outlined circle has been found, beyond which the operation of the structure is impossible. The level of dangerous increase in the total parameter along the arc at the lowest possible height of the structure has been determined.

Keywords: cylindrical rod shells, mesh area, degree of cell filling, parametric dependencies, force state, stiffness

Optimization of the composition of heavy cement concretes modified with a complex additive based on industrial waste (alumina-containing component - aluminum slag (ASH), spent molding mixture (OFS) using the PlanExp B-D13 software package is a three-factor planned experiment, according to the criteria: compressive strength on the 2nd and 28th days of hardening.

Keywords: heavy cement concretes, fast-hardening concretes, optimization, experiment planning, strength indicators, industrial waste, spent molding mixture, aluminum slag

This paper explores the role of historical forms in contemporary architectural design. It examines ‎how classical architectural elements, such as columns, arches, and pediments, are integrated into ‎modern architectural projects while preserving cultural heritage and adapting to new technological ‎and functional demands. The interaction between tradition and innovation is discussed, alongside ‎examples of successful applications of historical forms in contemporary buildings. The paper ‎highlights how architects use historical motifs to create harmonious and expressive objects that ‎meet modern standards while maintaining a connection to the past. The study emphasizes the ‎importance of blending historical references with modern architecture to create a unique ‎architectural language that resonates with both the present and the cultural history of the place. It ‎also discusses the challenges and opportunities that arise when incorporating historical forms into ‎the design process, offering a comprehensive look at the ongoing dialogue between tradition and ‎modernity in architecture.‎

Keywords: historical forms, contemporary design, architecture, tradition and innovation, classical ‎architecture, integration of traditions, cultural heritage, architectural elements, columns, arches

A characteristic feature of urban construction is an increase in the density of buildings and, accordingly, the tightness of working conditions. The need to ensure the safety of existing buildings and reduce negative impacts on the urban environment requires the development of rational solutions at the stage of organizational and technological design during construction in conditions of dense development. The factors of constraint affect already at the stage of preparation of the construction site. The purpose of the study is to select and justify the methods of work during the removal of engineering networks from the construction site. The existing methods of network re-routing and technology comparison are considered. An example of a construction object shows a variant of an organizational and technological solution for the removal of networks using trenchless technologies.

Keywords: engineering training, construction site, dense buildings, cramped conditions, trenchless laying of networks

The article examines the principles of developing micro-districts and settlements for individual housing construction. It emphasizes the integration of environmental, innovative, and social aspects into the design and planning processes of such areas. These measures not only enhance the comfort and safety of living but also significantly reduce operational costs, thereby making projects more economically viable. The focus is on the necessity of a comprehensive and interdisciplinary approach to the planning and development of infrastructure in areas designated for individual housing construction. The article also addresses issues related to the infrastructure of micro-districts designed for individual residential development. By analyzing existing practices, it has been found that contemporary urban planning approaches are increasingly oriented toward creating sustainable and comfortable urban environments. A comprehensive analysis of the problem has enabled the identification of the essential components of infrastructure for areas intended for individual housing development. The article underscores that achieving sustainable development in such territories can only be attained through clear regulation of various indicators characterizing these areas.

Keywords: water supply and sanitation systems, Syrian Arab Republic (SAR), reconstruction, consequences of military operations, urban planning

In this article the authors continue to explore the difficulties of organizing and carrying out capital repairs in medical institutions in the conditions of their functioning. The article focuses on the problem of lack of informativity of the regulatory documents about organization and realization of capital repair of medical institutions in the conditions of their functioning, which was mentioned in the authors' previous article. The authors analyze the regulatory documents, explore the experience of capital repair of existing medical and preventive institutions and highlight the main reasons, why the regulatory documents aren't so informative. The first reason - there are no recomendations about, how medical institution should keep its functioning according the time of capital repair. The second reason - there are no recommendations how renovation should be orginized out while maintaining all hygienic requirements of hospitals functioning (noise level, cleanliness, etc.). The third reason - regulatory documents contradict each other in some issues. All these reasons lead to the following consequences: delayed deadlines, lower quality of work, higher repair costs, lower working conditions for staff and lower quality of health services. The authors propose a comprehensive approach to a solution not previously reported in their research: updating the regulatory documents by adding special sections on capital repairs, creating special guidelines that will be only about capital repair of medical institutions and improving the qualifications of specialists.

Keywords: capital repair, medical and preventive institution, health care, regulatory documentation, safety, construction organization, technology of capital repair organization, normative document, informativeness, recommendations, updating

The article discusses the use of recycled materials obtained during the dismantling of facilities during renovation in St. Petersburg. The districts of St. Petersburg with "problematic" houses, such as panel "Khrushchev" and "ships" of the first type, are highlighted. Data on the types of waste, volumes of concrete scrap, features and applications of secondary rubble are presented. Examples of organizations in St. Petersburg dealing with waste recycling are given. The purpose of the work is to study the possibilities of recycling construction waste for reuse in construction and landscaping of the region.

Keywords: secondary materials, dismantling, renovation, concrete scrap, construction waste, recycling, crushed stone, sustainable development, St. Petersburg, ecology

The article is designed to identify the basic principles of the formation of the museum complex ""New Chersonesos"" and its thematic, visual and sacred relationship with ancient Chersonesos. The article considers a brief history of the formation and development of Tauric Chersonesos, its significance as one of the key places of the Russian cultural tradition and national identity. The article evaluates the architectural and compositional features of the New Chersonesos museum complex. The interrelation of its constituent objects and their functional and planning features is given. The basis of the model for the development of the territory of New Chersonesos was a system of contact joints and axes that determine the compositional structure of individual ensembles, the placement of spatial accents that give the direction of movement within the complex itself and in adjacent territories. The article is carried out within the framework of a dissertation research devoted to the Hellenistic cities of the Northern

Keywords: Tauric Chersonesos, New Chersonesos, museum complex, archeology, Byzantine style, axial compositions, functional and planning features

The article publishes the results of the research work devoted to the analysis of architectural and spatial elements of the ancient city. Various types of public buildings in the structure of the Greek polis are considered. A brief description of their spatial and architectural features is given. The consistent evolution of these structures from simple forms of the Archaic era to more complex planning solutions in the Hellenistic era is traced - the time when the theoretical and practical skills of architects found their highest expression.

Keywords: architecture of Ancient Greece, architectural and spatial elements of the Greek polis, public buildings in the structure of the polis

Volcanic materials are widely used in the production of mixed cement. Volcanic tuff, as a mineral additive to Portland cement, is effective in improving the rheological characteristics of the hydraulic binder, has medium pozzolanic activity, improves the properties of the material and can be used in the composition of light plaster mixtures.. The purpose of the studies presented in the article was to form models of such mixtures that allow their properties to be assessed. The experiment was conducted on the basis of methods of mathematical planning, statistical processing of the results and analytical optimization of the obtained regression equations. The experimental studies are based on the matrix of a complete three-factor experiment. The composition of the light plaster mixture included the following components: hydraulic binder, crushed volcanic tuff (as a fine light filler), reinforcing fiber and synthetic additive. Compositions of plaster mixtures based on volcanic tuff have been developed. The optimal values of the main components of the plaster mixture based on volcanic tuff, which is present in the composition of the mixture as a light fine filler and as a component of a hydraulic binder, have been established. An engineering interpretation of the simulation results is given.

Keywords: plaster material, volcanic tuff, pozzolan activity, mathematical modeling, analytical optimization

The article presents the study of thermal conductivity of a promising building material “Corrugated veneer”, presents the sequence of the study, develops an installation for research, obtains the thermal conductivity coefficients of the material “Corrugated veneer”.

Keywords: wood materials, finishing materials, building materials, board materials, veneer, laminated wood

The article considers variants of mathematical apparatus systems used in construction control during the construction of monolithic structures. The quality of technological processes in the construction of reinforced concrete buildings determines the existing problems of their reliability and durability. In the course of studying the analytical aspects of assessing the impact of organizational and technical solutions (OTR) on the system of construction quality control of monolithic structures, specialists most often set tasks on modeling the process in question, taking into account the probabilistic nature of the dependence of the system elements. The mathematical devices used in construction control are defined. The technique of improving the efficiency of OTR during construction control has a significant impact on reducing construction time, and also minimizes the number of defects and deviations.

Keywords: construction control, mathematical tools, OTR efficiency, monolithic reinforced concrete construction, quality, physical wear of load-bearing structures

The article presents a system research of the factors of formation of architectural and typological models of a medium-rise dwelling. The research was conducted in two stages. At the first stage, the main internal and external factors of building architectural and typological models based on the study and processing of literary sources, analysis of modern domestic and foreign experience in designing medium-rise housing are collected and systematized. The structural elements of the factors are systematized according to well-established architectural concepts. At the second stage of the study, a matrix of dependencies between external and internal factors was formed, and the number of dependencies between internal and external factors was calculated. Based on the data obtained, the internal factors were grouped by the number of links with external factors. The obtained results of the system research provide the basis for further construction of a limited number of the most versatile and flexible architectural and typological models that take into account the greatest number of environmental conditions.

Keywords: architectural and typological models, urban planning conditions, cultural conditions, national and ethnographic conditions, natural and climatic conditions, socio-demographic conditions, medium-rise housing

This article examines the factors that influence the architectural formation of medical university buildings. The advantages and disadvantages of building construction and reconstruction are briefly analyzed. The main attention is paid to urban planning, natural and climatic, functional planning and economic factors, their influence on the architectural formation of buildings. Examples of the construction of medical university buildings in the 21st century are given.

Keywords: architecture, medical university, factors, architectural formation, university architecture

Construction and technical expertise is a field of activity where digitalization of processes should be implemented not at a fragmentary, but at an expanded level to optimize the expert's work. In the current reality, the use of modern digital tools brings positive changes to the work of construction experts and expands the possibilities of performing construction and technical research.

Keywords: digitalization, information modeling, computer technologies, information systems, expertise

 the modification of a thermally cured epoxy binder is considered due to the introduction of a plasticizer and a latent component digital and statistical methods of experimental research are used digital models linking the basic properties with changes in variable factors are obtained and an analytical technique for predicting the properties of products as well as the selection of their composition is developed a composite epoxy binder is obtained and studied.

Keywords: digital model, synthetic binder, latent component, regression equation, analytical optimization

The article discusses the problem of renovation of facilities of port complexes (PCs). The purpose of the study is to identify possible architectural and spatial models of renovation. The method of morphological analysis is used. The port complex is being "decomposed" into its main structural elements, and their classification is given.: 1) elements of the water area; 2) functional and spatial elements; 3) components of the communication framework; 4) elements of visual communication. The obtained models create a methodological basis for the architectural and spatial renovation of the facilities of the port complex.

Keywords: port complex, renovation, models, aspects, elements, morphological approach

The article presents the calculation of reinforced concrete column reinforcement using a metal cage made of angles, taking into account the physical nonlinearity of materials within the framework of the Lira CAD software package. The use of a nonlinear approach is due to the inability of linear methods to adequately reflect the real behavior of concrete and steel under load, in particular, their destruction and gradual loss of rigidity. This paper presents a model that takes into account the nonlinear stiffness characteristics of concrete and steel in accordance with regulatory documents. Taking into account the physical nonlinearity of materials when calculating column reinforcement is critically important for reliable modeling of the structure's behavior and preventing underestimation of the risks of destruction. It is necessary to check the structure for local destruction at each stage of loading to ensure the reliability of calculations and the safety of the structure. The use of specialized software with the ability to stage-by-stage loading and checking for local destruction allows you to obtain accurate results and justify optimal design solutions.

Keywords: columns, reinforced concrete, steel, strengthening, jacket, calculation, physical nonlinearity, software package, stresses, strains

We continue to study the stress-strain state of reinforced concrete bonded and unbonded prestressed beams. In this article, we consider the process of crack formation in such structures, relying on the results of testing experimental reinforced concrete samples of bonded and unbonded prestressed beams, as well as their three-dimensional models created in the Abaqus software complex. The results of calculating prototypes according to current standards are compared with experimental data and calculation of a finite element beam model in the Abaqus complex software complex, on the basis of which recommendations are proposed for calculating the crack resistance of prestressed reinforced concrete bonded and unbonded structures. In the course of the analysis, the following conclusions were made: 1) The real crack resistance exceeds the theoretical and obtained during testing of finite element models. When the effect of reinforcement is taken into account, the discrepancy is considerably reduced, so it should be included in the calculation for a more accurate determination of crack resistance. 2. Unbonded prestressed structures have lower crack resistance compared to classical bonded reinforcement.

Keywords: reinforced concrete beams,prestressed structures, bond, rainforcement, crack resistance

The influence of the aluminosilicate component on the properties of mortars and concretes is considered. Special attention is paid to the addition of perlite dust to the cement binder and the use of the Polyplast SP-1 superplasticizer to regulate rheological properties. It has been experimentally established that an increase in the perlite content increases the water demand and reduces the fluidity of the mixture due to its high specific surface area and porous structure. The rheological properties of various formulations have been studied using a rotary viscometer. The results show that the addition of a superplasticizer reduces viscosity and improves fluidity, which is especially important to prevent deformations and internal stresses in hardening systems.

Keywords: technogenic raw materials, perlite, aluminosilicate component, building mortars, concretes, rheological properties, superplasticizer

This article identifies the main advantages and disadvantages of using VR simulators to improve the professionalism of employees when performing work at an enterprise (organization). An analysis of existing projects used in various industries was carried out. A description of the developed first aid project is presented. The developed simulator allows you to practice skills in eliminating bleeding in different parts of the body: arm, leg, neck. While working on the project, the main factors influencing the quality of the developed VR simulator were identified. Thus, it was found that VR simulators are not capable of fully simulating fine motor skills of the hands. In addition, the simulator has restrictions on the position of the body in space. Despite the identified shortcomings, the use of the simulator allows you to practice key skills in providing first aid.

Keywords: virtual reality, VR simulator, personnel training, professional activity, first aid, information technology, modeling.