SAFETY OF BUILDING SYSTEMS. ECOLOGICAL PROBLEMS OF CONSTRUCTION PROJECTS. GEOECOLOGY

Features of construction schemes of self-heating sources for largeindustrial complex and logistics centers in urbosystems on ecological principles

Vestnik MGSU 11/2013
  • Rakhnov Oleg Evgen'evich - Moscow State University of Civil Engineering (MGSU) Candidate of Technical Sciences, Associate Professor, Department of Engineering Geology and Geoecology, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Saklakov Igor' Yur'evich - Moscow State University of Civil Engineering (MGSU) Candidate of Technical Sciences, Associate Professor, Department of Engineering Geology and Geoecology, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Potapov Aleksandr Dmitrievic - Moscow State University of Civil Engineering (MGSU) Doctor of Technical Sciences, Professor, Chair, Department of Engineering Geology and Geoecology, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 177-187

The urban environment is a combination of man-made objects (buildings, roads, business-centers, engineering systems of heat, water, energy supply, waste disposal, water disposal, transport, food production, etc.) and elements of the natural environment, which together with the socio -economic factors (cultural-domestic servicing, health care, etc.) influence the population. In respect of its expansion and degree of impact, thermal pollution is one of the biggest forms of physical pollution of the environment: with a fairly high degree of certainty the size of fuel, hot water and steam consumption can be counted together with the degree of thermal pollution of the surrounding area. The problem of thermal pollution has two dimensions: global (planetary) and local.From the engineering point of view, fighting thermal pollution is identical to energy efficiency. The higher is the level of energy-saving policy and work, the more intense is the fight against thermal pollution.Modern urbosystems of major cities are composed not only of residential estate, but also of industrial buildings. Large shopping centers are recently becoming widespread in the cities. These centers and industrial buildings have large storage space as an important logistic element. Business development in Russia radically alters the fundamental approaches to the production and consumption of all types of energy. Considering continuous growth of energy prices, critical condition of municipal heating and electrical grids, unreasonably high tariffs for the service of grid companies, which are usually noncompetitive in the market, the power supply problem is becoming more urgent. Sometimes power and heat interruptions may result in big losses. Any owner is interested in reducing the risks. The trend is that modern business is refocused on the maximum autonomy, which supposes its own source of heat supply. During boiler construction, the question about the efficiency of capital investments, operating and energy costs rises. Capital costs are determined by the heat source power. Heat supply of storage and industrial buildings has a number of features, which should be taken into account during designing. Particularly important is the study of the engineering infrastructure of settlements, industrial complexes in actively developing urbosystems. Design of modern heating systems is running on ecological principles – energy efficiency and resource saving. In this case, the operation of an industrial complex requires uninterrupted heat supply with a view to minimizing costs such as the design and operating costs. The main difference with the housing complex is shooting heat consumption in the end of work shift.

DOI: 10.22227/1997-0935.2013.11.177-187

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EFFICIENCY OF POWER SUPPLY NETWORKS. USE OF RENEWABLES IN CONSTRUCTION OF MOUNTAIN-SKIING CENTRES IN THE SOUTH OF RUSSIA

Vestnik MGSU 12/2012
  • Tseva Anna Victorovna - Mytishchinskiy Branch, Moscow State University of Civil Engineering (MGSU) Assistant Lecturer, Department of Architectural and Construction Design, Mytishchinskiy Branch, Moscow State University of Civil Engineering (MGSU), 50 Olimpiyskiy prospekt, Mytishchi, Moscow Region, 141006, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 204 - 211

Problems of power efficiency are analyzed in the article. They constitute the following two trends: the problem of independent systems of heat supply operating on the basis of renewables, on the other hand, and the problem of municipal power planning and zoning, on the other hand.
The main criteria that underlie the choice of the system of heat delivery to construction sites are provided. The zoning map of renewables available in the Krasnodar Territory is presented.
A comparative analysis of efficiency of heat saving methods is demonstrated, inclusive of architectural, urban planning, technological, and engineering solutions. The author argues that their efficiency in the mountains needs thurough substantiation.
Resolution of the above problem needs a system approach. Federal construction program of the North Caucasian tourist cluster contemplates the analysis of design, development, heat supply and heatsaving solutions implemented at the Olympic sports facilities in Sochi. Any design solutions
must take account of the consequences of the Krymsk flooding in 2012, as well as the anthropogenic loads coupled with the parameters and processes of restoration.

DOI: 10.22227/1997-0935.2012.12.204 - 211

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Features of operation of sewage pumping stations of heat and power stations in in conditions the Far North

Vestnik MGSU 3/2019 Volume 14
  • Dement’eva Мarina Е. - Moscow State University of Civil Engineering (National Research University) (MGSU) Candidate of Technical Sciences, Associate Professor, Associate Professor of Department of Housing and Communal Services, Moscow State University of Civil Engineering (National Research University) (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation.
  • Kurokhtin Аrtem А. - Moscow State University of Civil Engineering (National Research University) (MGSU) student, Moscow State University of Civil Engineering (National Research University) (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation.

Pages 356-366

Introduction. The subject of the study is the study of technologies to ensure the reliability of sewage pumping stations (SPS), exploited in the Far North. One of the most important problems is the freezing of water in the SPS tanks, associated with the incorrect selection of the insulation of the SPS of new TPPs, as well as the deterioration of the insulation of the SPS under the influence of aggressive media on the old TPPs. As a solution, the article considers two main methods of internal heating: liquid and electric. Both methods were analyzed using the example of the Yakutsk State District Power Plant-2, where the disruption of the drainage system may lead to a station shutdown. Materials and methods. The purpose of the study was a comparative analysis and selection on the basis of a feasibility study of the most reliable method of heating the pumping unit of the Yakutsk State District Power Plant-2, exposed to low temperatures and, as a consequence, the freezing of wastewater in tanks. On the basis of field surveys and the processing of their results using mathematical statistics, the causes of the problem of water freezing in the SPS units at Yakutsk State District Power Plant-2 were studied and analyzed. Technological characteristics of the installed SPS were also analyzed, heat engineering calculations were performed, economic indicators were calculated, and further solutions to the problem under consideration were determined. Results. Analysis of the technical parameters and configuration of the SPS showed that the installed insulation and the heating system do not correspond to the territorial conditions in which this equipment is installed. To bring the SPS into working condition, two solutions for internal heating of tanks were developed and their comparative analysis was performed. Selected heating option with heating cable. This system has been successfully implemented and is operating normally. Conclusions. The results of the work can be used to repair thermal insulation and install a heating system for industrial pumping stations without using earthworks in the conditions of the Far North and on the territory of permafrost soils.

DOI: 10.22227/1997-0935.2019.3.356-366

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