In article traffic safety in intensive transport streams on bridge crossings is considered. In a case when the bridge crossing has on one lane in each direction, at repair of a half of width of the carriageway - density of a transport stream sharply increases. The increase in density of a transport stream leads to change of speed of the movement of vehicles and to reduction of minimum safe distance between the cars moving in the passing direction on the bridge crossing during its repair or reconstruction. At the movement of vehicles with minimum safe distance specified in the table the maximum capacity of the bridge crossing at its repair or reconstruction will be provided.

Keywords: traffic safety, bridge crossing, intensity of the movement, repair of the carriageway, minimum safe distance

The investigation provides the complex approach for optical properties study of the cobalt octaephylporphyrin. The complex shows the magnetic moment of the central ions. The strength and sign of anisotropy and optical transparency within the visible range can be changed by variation of an environment of the central metal atom (the ligand field) or its replacement. As a result, these materials can be used as stable qubits and nanoelements for spintronics and quantum computing. It is well-known that devices for spintronics and quantum computing require materials with femtosecond time resolution. The insights into the relations between geometry structure and optical and magnetic properties allow to design the tailor-made materials. In this work, we have investigated the optical properties of the cobalt octaephylporphyrin. We have calculated the theoretical spectra of the extinction coefficient, refraction index, and absorption index. These spectra provide us the additional information about optical transitions within the visible range. The design of the stable nanoelements with femtosecond time resolution is hardly-probable without understanding the nature of processes.

Keywords: Molecular magnets, cobalt octaethylporphyrines, optical properties, dielectric function, femtosecond time resolution

The article is devoted to the methods for improving of energy-efficiency of buildings. The article discusses the main facilities affecting the energy-efficiency of the building, ways to minimize energy losses.

Keywords: Improving of energy-efficiency of buildings, energy losses minimization, efficiency class, energy consumption, actions to reduce resource consumption

The article discusses the technological capabilities of application of vibratory mechanical hard lubricant coatings on the basis of MоS2 to improve the surface quality and operational properties of parts made of aluminum with an oxide coating.

Keywords: vibration treatment, the vibration mechano-chemical coating of solid lubricant, combined methods of treatment

The article once again highlights the problem of injury growth in our country. The article presents the developed digital jumpsuit for work at height, excluding the possibility of violation of the rules of TB, controlling the integrity of the belts. It is concluded that human security, his life can not be given to him only in a rapidly developing technogenic society, a person should actively help digital technology

Keywords: poor working conditions, simple protective measures against the fall of man, fiber optics, probability, risk, and digital technology

The article deals with the use of enamel for concrete surfaces as a pile coating to reduce their frictional interaction with the soil of the foundation. Conducting tests and processing the results.

Keywords: piles, friction interaction, frictional force

The article considers the modeling of negative frictional forces in the implementation of the subsidence properties of the foundation soil of the pile foundation. The calculation of various variants of design schemes for RSN has been performed. Based on the calculation results, the analysis of the stressed deformable state of the soil massif was made, the corresponding conclusions were drawn.

Keywords: negative friction forces, finite element method, pile foundation, soil massif, subsidence of soil

In the article the main technologies used in the construction of bored piles are considered and their comparative analysis is presented, as well as the optimal technology for construction in cramped conditions.

Keywords: bored piles, technology, foundation, restoration, reconstruction, Rostov-on-Don, construction

Тhe problem of application of programs is considered 4D programming in architecture, organization and technology of construction, architecture of 4D programming. Prospects for using programs based on this technology are being studied. Areas of application of innovative software in construction.

Keywords: 4D programming in architecture, organization and technology of construction, architecture 4D programming. Prospects for the use of programs are being studied.

The assessment of the quality of the production of works on the construction of the upper layers of the road cover by the destructive and non-destructive method is considered, both methods are compared by searching for the main advantages and disadvantages. The order and the scheme of the production of each of the estimates are described.

Keywords: motor roads, quality assessment, road facilities, gamma density meters, electromagnetic (dielectric) densitometers, radioisotope densitometers, densitometer

Increasing the efficiency of management of the activities of the organization is an actual issue for the enterprises of the construction industry in modern society. In a highly competitive environment the entrepreneurs use both innovative production technologies and marketing tools. Improvement and development of organizational behavior of the management system of business structures using the basic principles of marketing is one of the ways to improve the efficiency of any organization including enterprises in the construction industry.

Keywords: Enterprises of the construction industry; models of business structures; types of organizations; market structure, organizational behavior; organization of construction

This paper presents an analysis of domestic and international experience in the construction of modern non-rigid pavements. An assessment of existing structures on roads with high traffic volume; designated directory structure of non-rigid pavements, developed on the basis of the research.

Keywords: construction, non-rigid pavement, structural layers, the total number of rated load applications, traffic load class

When managing complex systems, for example, an industrial enterprise, an organization, a socio-economic system, etc., it is necessary to take into account the fact that they can be considered as polystructural systems, i.e. as a set of heterogeneous systems, interconnected. A poly-structural system is understood to mean a variety of different components, differing in physical properties, functional purpose, complexity of the internal structure, representing a single whole. The article deals with the management of a polystructural system based on the preparation of management decision making by experts who can evaluate an alternative from the standpoint of a specialist of several elements of a polystructural system. To develop methods for determining and selecting an informed management solution, a polystructural system is considered from the standpoint of system theory and system analysis. A mathematical model is developed, which is the basis for creating information and algorithmic support for the management of the polystructural system.

Keywords: management of a polystructural system, the choice of an administrative decision, indicators, a problem situation, the method of analyzing hierarchies, reducing the complexity of the examination

The paper underlines the need for use of composite and nano-materials in place of natural materials, which is explained by depletion of global resources and increasing environmental pollution. This is why the focus is currently shifting toward the use of a composite material – porous artificial wood (PID-IV) – developed by the Irkutsk State University for making framework systems required to strengthen rectangular structural elements of buildings and structures. The framework system in question has a deck made of PID-IV. Further, the structural test was carried out in line with the effective regulatory documents, and the use of the suggested framework system was substantiated.

Keywords: composite material, porous artificial wood, formwork deck, design, structural test

Discusses actual problems of organization and management of capital construction in the Rostov region. Proposes a number of measures aimed at improving the existing system of capital construction in the development of the region and industry. Recommendations for improvement of organizational forms of management of construction enterprise in modern economic conditions. Indicated the need for a uniform management of the entire set of activities in capital construction.

Keywords: organization of construction, capital construction, methods of control of the company, project management