bluuebunny/crossref_metadata_2025_split huggingface dataset:
Use of Modern Means and Methods in the Organization and Management in Construction
Authors: Sinenko S A , Doroshin I N 
Published: March 2020

Abstract
In the work below there are considered the instruments of automatized decision of different tasks in organization and management of construction. The main trends of digital economics in Russian Federation in 2018 are indicated. There are considered: cybersecurity; transborder cooperation; creation of common platforms; digitalization of state services; B2B-marketplaces; digitalization; blockchain technology; smart-contracts; ICO; Big data.
Non-Competitive Procurement of Resources in Industrial and Civil Construction
Authors: Peshkov V V , Doroshenko T G , Sukhanova I A 
Published: March 2020

Abstract
by Order No. 949 of the Ministry of education and science of the Russian Federation of 07.11.2018, a Standard regulation on the purchase of goods, works and services for the needs of Federal state Autonomous institutions, Federal state budgetary institutions, Federal state unitary enterprises subordinated to the Ministry of science and higher education of the Russian Federation was approved. This provision of the Ministry of education and science is very voluminous and sometimes duplicates the provisions of the Federal law of 18.07.2011 № 223-FL “On procurement of goods, works and services by certain types of legal entities”, so in the article we have focused only on certain specific issues not covered by this law. In connection with the introduction of the Model provision, customers need not only to update their “old” provisions, but also, as a result, to make changes to other local and administrative acts regulating procurement activities. For customers in respect of which Order No. 949 is optional, it may be recommended to study the Model provision of the Ministry of education and science and to include its separate provisions in its procurement regulation.
Information Technologies of Administrative Synthesis in Building Industry as the Factor of Boosting Labor Efficiency
Authors: Zelentsov L , Krukov K , Pirko D , Shogenov M 
Published: March 2020

Abstract
In the article the authors study the need to study the impact of information technology on the effectiveness of management and construction organizations. The article proposes a new algorithm for the introduction of information technology management in construction, which will provide changes in the content, quality, nature, conditions of managerial work. Today, more and more importance is attached to the information sector of the economy, because the dominant position in the activities of modern organizations occupy the processes of exchange, processing and storage of information. Successful management of the economy at the organizational, regional and Federal levels is directly dependent on the effectiveness of the use of modern information technologies in management work. The use of the Internet, computer programs, information technologies radically changes the organization and technique of administrative work in construction. They allow to receive information and make decisions quickly, force to reconsider traditional views on a role and the mechanism of relationship of the organizations, open opportunities for participation of the organizations in the national and world financial markets and investment projects in constructio.
Features and Causes of Segregation of Large Cities
Authors: Garnaga A F , Nekliudov S F 
Published: March 2020

Abstract
The research is devoted to the phenomenon of city segregation which is promoted the steady trend of an urbanization supported by the government and public organizations, increase in number of immigrants, increase of differentiation of income of citizens. Subject to segregation of the city with a population of over 250 thousand people, they are of interest in the current work. Resettlement of people in city space and, therefore, formation of its borders and architectural appearance we occur for the reasons of mainly economic or national character. At the same time the national aspect is often connected with economic features. City a segregation also differs on formation time for steady and temporary, the architectural and spatial structure of those directly depends on a view of the settlement.
Calculation of a Complex Indicator of the Innovation Potential
Authors: Sazonova A S , Kuzmenko A A , Terekhov M V 
Published: March 2020

Abstract
This article describes a possible approach to the analysis of a complex indicator of the innovation potential of a region. The definition of the concept is given, the components included in its structure are singled out, the model of a complex indicator of the innovation potential of a region is offered. The calculation of a complex indicator of the innovation potential on the basis of the proposed methodology is made and the conclusions on the obtained result are formulated. The article also offers a method of analysis of integrated indicators – the components of the regional innovation potential on the basis of the used technique. The summary table of the normalized values of the integrated indicators - components of the innovation potential of the regions of the Central Federal district and their estimated values on the basis of which it is possible to draw conclusions about the level of the regional innovation development is presented. The approach used is acceptable for assessing the innovation potential of various organizational systems, for ranking regions relative to each other and for making recommendations to improve the level of the innovation development of regions.
Experience of Development and Implementation of a House Project by an Architect
Authors: Zolotukhin S N , Byndyukova E A , Chigarev A G 
Published: March 2020

Abstract
This paper proposes to build individual, economical residential buildings in the suburban and rural areas, in the structure of which new materials are combined with reusable ones. Some practical recommendations on their design and construction are given. It is shown, that the correct choice of space-planning solution and the re-use of building materials in housing construction leads to money saving. The new housing should be not only cheap but also rational in the broad sense of the word. Different professionals should take part in the process of rational construction: architects, designers, economists, consultants in infrastructure and communications. The role of architects is indicated when the consumer chooses the future planning of the house. The architect, together with scientists and engineers, takes into account the possibility of building structures from existing used materials. Experts in the field of building structures evaluate the possibility of building the foundation and supporting structure of a future house from existing used materials obtained after demolition. The experience of other countries shows the possibility of transforming buildings using only the building materials already existing in them without using new ones. Foreign scientists are working on the concept of developing reusable construction materials, products and structures, their certification. As evidence of the effectiveness of the proposed approach, the author gives an estimate of the construction of a house with an attic and a comparison of its total actual cost with the market average in the Voronezh region.
Calculation of the Payback Period for Energy-Efficient Building Envelope
Authors: Khasikov S 
Published: March 2020

Abstract
The purpose of this paper is to compare energy consumption of residential house with typical wooden frame structure and energy-efficient double framing structure of the external wall and to calculate difference of construction cost with application of both technologies. Research method is based on simulation process in eQUEST software that provides detailed reports on all aspects of building energy-efficiency and allows to determine amount of consumed energy. With help of simulation results produced by eQUEST it is possible to calculate payback period for energy-efficient building envelope based on market prices of construction process.
Energy Efficient Architecture for “High Latitudes”
Authors: Khasikov S 
Published: March 2020

Abstract
The purpose of this paper is to get acquainted readers with rich experience of Russian architects in the field of designing residential buildings in extremely cold areas. To approve effectiveness of proposed solution we compared energy consumption of residential houses with two different shapes of shell – typical building and innovative energy-efficient building designed especially for the Russian North. Research method is based on simulation process in eQUEST software that provided detailed reports on all aspects of building energy-efficiency and allowed to determine amount of consumed energy.
Composing the Reactive Silencer for Engineering Networks
Authors: Plitsyna O V , Rogova T N 
Published: March 2020

Abstract
The substantiation of using reactive silencers in flues and air ducts with two-phase flows is given. It is noted that a silencer on main duct is the multimode system, which ability to even noise reduction in wide frequency range is not enough fully investigated. Reactive silencer’s scheme as a duct separated by bent partitions into range series of reflecting elements that are single-mode in one direction and multimode in the other direction is presented. It is indicated that the implementation options of the proposed scheme were calculated by methods of electroacoustic analogy and were tested on a model stand with flows. The conditions achieving even noise reduction in wide range of frequencies with acceptable aerodynamic resistance were determined: expansion degree in silencer extreme series is 2.5, expansion degree in remaining series is 4; indicator of change lengths for pairwise equal narrowing and extension sections is 2−0.6. The scheme containing expansion chambers, resonator chambers, sections with oppositely oriented partitions was clarified on the device effectiveness in various engineering networks. Obtained results show that for reactive silencers with bent partitions scheme parameters ensuring the required throughout the normalized frequency range with acceptable aerodynamic resistance have been established
Heritage Protection Regulations in Germany and their Relations to Fire Safety Demands
Authors: Quapp U , Holschemacher K 
Published: March 2020

Abstract
Historical constructions are an important value of the world’s cultural heritage. Nearly each day, newspapers inform about fire damages in protected buildings. One reason is that historical constructions often are very fire sensible due to ancient building methods and easily flammable building materials. Therefore, fire safety regulations contribute in an essential way to the countries’ heritage protection. Furthermore, they avoid personal injury, property loss and environmental damage. Heritage protection law tries to preserve historic buildings but, in Germany, it often collides with various safety requirements, such as on load-bearing capacity and fire safety. The paper analyzes recent German heritage protection regulations for preservation and reconstruction of historical buildings and shows the difficulties to balance the interests of heritage protection on the one side and safety aspects on the other side. The authors explain various concepts of fire safety in historical constructions as well as current German legal and technical fire protection regulations for historical buildings. On the example of fire safety demands, the authors show the difficult relationship between heritage protection and safety requirements. They conclude that safety regulations and historical structure protection should not be antagonists but rather collaborate in the interest of preservation of cultural heritage.
Aspects of the System Approach to Inventory Management
Authors: Kazaryan R R , Andreeva P I 
Published: March 2020

Abstract
Transport construction, including road construction, consumes a huge amount of materials, including new materials of a wide range: stone materials, sand and sand-gravel mixtures, mineral and organic binders, metal, etc. In the direct costs (cost of materials, operation of machines, wages of road workers), the share of the cost of materials reaches 60%. Often, the region in which the road is being built does not have its own standard materials, and these materials have to be delivered from other regions. For example, many regions of the Central region of Russia are forced to import crushed stone of hard rock from Karelia and the Leningrad region, and bitumen - from the Volga region. For the Moscow region, the shortage of building sand is more acutely felt in recent years, and this is only one side of the problem of material support of construction.
Energy Efficient Major Overhaul in Residential Buildings of the First Mass Series
Authors: Korniyenko S V , Astafurova T N , Kozlova O P 
Published: March 2020

Abstract
The article shows the need for energy-efficient major overhaul in apartment buildings of the first mass series. Calculated thermo-technical indices of enclosing structures in reconstructed buildings of typical series 1-447c-37 in Volgograd are determined. The required thickness of fencing structures’ insulation should be calculated for each region of energy-efficient construction. Calculated results confirm principal possibility of achieving high requirements for thermal protection and energy saving in Russia’ cold climate. The highest energy performance can be achieved only with the insulation of the entire building envelope and implementation of highly efficient engineering systems with automatic control, which reduces the cost of thermal energy for heating and ventilation by 70%.
On the Influence of the Characteristic Frequency and Broadband of Seismic Effects on the Vertical Rod Oscillations
Authors: Kulterbaev Kh P , Shogenova M M , Baragunova L A 
Published: March 2020

Abstract
The problems of longitudinal oscillations of high vertical rods with orientation to the application of results in the problems of seismic calculations are considered. Mathematical models of free, forced harmonic and forced random oscillations caused by kinematic disturbances of the lower end are obtained. Application of methods of separation of variables and finite differences in combination with visualization of calculations in Matlab environment gave own values and own functions, and then amplitudes and mean square deviations of oscillations. It is shown how the preliminary consideration of harmonic oscillations significantly simplified the solution of the stochastic problem. Influence of characteristic frequency and broadband parameter of input random process on the form and standard deviation of longitudinal oscillations is studied.
Numerical Study of the Influence of the Distance between Stiffeners on the Loss of Stability of the Web of an I-Section Steel Beam
Authors: Kuznetsov D N , Ponyavina N A 
Published: March 2020

Abstract
When designing welded I-elements, it is necessary to ensure the reliability of positional web resistance and system stability. The arrangement of transverse stiffeners allows you to break the web into separate compartments. The distance between stiffeners is assigned by the engineer. It is important to assign the distance between transverse stiffeners satisfying the requirement of positional web stability without increasing the web thickness. The article studies the effect of the distance between stiffeners on positional stability. Four test models of steel I-beams with a span of 15 m, with different distances (steps) of double-sided transverse stiffeners are considered. The web of the four models is divided by transverse stiffening ribs into 9, 11, 13, and 15 compartments, respectively. The calculations were performed numerically using SCAD Office software package. For modeling beams, a rectangular shell finite element, type No. 41 is assigned. The left supports of beams are hinged and fixed, right hinged and mobile. The load is collected for floor beams with a step of 6 m and is applied to the upper girdle, as evenly distributed along the axis of the web. From the plane of the beams, in the level of the upper girdle of the welded I-beam, the constraint linear displacements are assigned. The first forms of loss of positional web stability for four models are graphically shown and described. The reliability coefficients for stability for the first three forms of each model are obtained. Conclusions on the effect of the distance between double-sided transverse stiffeners on the positional resistance of the steel I-beam web are given.
Proposals to the Formation of a Complex Model to Renovation, Reconstruction and Modernization of the Vladivostok Fortress for Cultural and Recreational Aims
Authors: Tlusty R E , Petukhov V V , Fedorovskaya N A 
Published: March 2020

Abstract
The article discusses the capabilities of the Vladivostok fortress as a center for recreation and tourism of residents and guests. The proposals on the formation of a comprehensive model of renovation, reconstruction and modernization of the Fortress for cultural and recreational purposes are considered. In the forts, it is planned to create leisure and entertainment, sports and recreational, recreational and rehabilitation, scientific and educational, and museum and memorial institutions. A prerequisite is the creation of urban recreational squares and parks around the forts. Three levels of structural reorganization of the Vladivostok fortress are revealed. The first is the reorganization of the fortifications of 1899, the second is the reconstruction, renovation and reorganization of the fortress structures of 1910-1914, the third level is the renovation of the Vladivostok Fortress on Russky Island. It was established that the creation of a multifunctional cultural and recreational belt around the city on the basis of the Vladivostok fortress will allow: firstly, to increase the necessary recreational territory for it, that will solve the problem of sightseeing tourism and short-term recreation for residents and guests of the city; secondly, it will protect the fortifications of the fortress as a historical monument.
Research of Gas-Superdisperced Water Compositions for New Installations of Volume Fire Extinguishing
Authors: Kazakov A , Smirnov N , Gladilin A 
Published: March 2020

Abstract
There are presented data concerning new domestic and foreign installations of volume fire extinguishing by means of gas-superdispersed water compositions (GWC). The model of diffusion flame extinguishment with GWC is developed. There are carried out experimental studies of gas impact in GWC on the dispersion of droplets as well as on the effectiveness of fire extinguishing of solid materials and flammable liquids. The advantages and disadvantages of the GWC use are shown. It is revealed that the greatest effect of the use of GWC volumetric method is achieved at the extinguishing the smoldering materials.
The Development of a Manufacturing Flow Model of Garments by Graphs Transformation
Authors: Rakhmatullin A M , Budeeva O N 
Published: March 2020

Abstract
Expanding the functionality of Computer-Aided Process Planning systems (CAPP systems) at garment enterprises is an actual problem. In these systems the manufacturing flows are modeled using a tabular form to represent information about the manufacture of the product. However, the table in which records are interleaved sequentially does not represent the positions of the elements of the technological process and their interrelations. The aim of this article is to improve the quality of design solutions obtained by modeling the manufacturing flow of garments using CAPP systems. The study of this problem is based on the use of concepts and models of graph theory. The development of a manufacturing flow model of garments is represented iterative transformation of graphs. The graph of the flow of garments manufacturing model receive from the initial tree of the technological process by the operations of elementary contraction. The ways of arrangement are revealed depending on the positions and interrelations of the vertices on the graph: trivial, consecutive and adjacent, consecutive and non-adjacent, parallel ways. Technological operations are completed in the manufacturing operation by the specified ways of arrangement. Modeling of the flow is accompanied by the transformation of the adjacency matrixes defining the graphs. The structure of each manufacturing operation from the flow scheme is represented by a subgraph received by operations of the vertices removal from the initial tree of technological process. The requirement to completing the production operations of the manufacturing flow is formulated: the number of connected components of the subgraph of the production operation should be minimized. The contents of this article may be useful for the development of specialized software applications for solving problems of modeling manufacturing flow of garments.
Problems and Perspective of Vertical Gardening in the Vladivostok Design
Authors: Chernova A V , Fedorovskaya N A , Petukhov V V 
Published: March 2020

Abstract
The article considers the phenomenon of vertical gardening. The authors analyses the problems, potential and possibilities of using this type of gardening in the Vladivostok, that has a harsh climate. The vertical gardening in urban environments and in the interiors of private and public spaces are consided. It has been established that the main problems of vertical gardening in Vladivostok are: a difficult climate, designers must adapt the existing methods in the world to local climatic conditions; the using of non-acclimatized plants; expensive local planting material; lack of interest in the problem of improving the city’s government structures. For the Vladivostok, the development of certain types of vertical gardening is promising: the use of local, endemic flora (lianes, ivy, ferns, mosses, etc.); the using of vertical gardening elements for the creation of topiary; the decorating of building facades and retaining walls with annual plants; the using of vertical gardening in interiors. It has been established that for the development of this direction, comprehensive studies of biologists, theoretical designers and practical designers are needed, that will be aimed at developing a general concept of landscaping and improvement in the Vladivostok.
Economic Justification of the Efficiency of the Optimal Warming of the Joint of Walls with the Basement Floor of Frame and Monolithic Buildings with the Aired Undergrounds in the North
Authors: Danilov N , Fedotov P , Tretyakov E , Slobodchikov E , Gerasimova V 
Published: March 2020

Abstract
An economic analysis was carried out using a program for calculating three-dimensional temperature fields of a fragment of a corner joint of walls with a basement of a building with aired undergrounds for various options. The temperature fields of the nodes are determined. Calculations showed that the use of a heat-efficient beam on supports leads to the temperature increase on an internal surface. A comparative estimate was also carried out to identify the cost-effectiveness of the options.
Comparison of Reconstruction Options for Water Supply Network of Small Village
Authors: Aleksandrova N N , Shkileva A A , Popov V V 
Published: March 2020

Abstract
The article is aimed at comparative analysis of options for reconstructing water supply network of small village. To this end, two methods of replacing the pipeline are considered - horizontal directional drilling technology and open method. To achieve the task for each of the options, the scope of work on laying polyethylene pipes was determined, estimated cost of work was calculated, schedule for reconstruction of water supply networks was developed, plans and schedules for funds inflow for reconstruction of water supply network were presented.