Magazine of Civil Engineering, №3(29), 2012
Technology and organization of construction. Building materials and articles


 EVENTS

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Дополнительное образование по направлению Строительство

Журнал Гидротехника

Subject plan
for this half-year



Development of master programs“Engineer-economist in the Energy and Sustainable Development

The efficiency of concrete and concrete articles manufacturing (rus)

On the 29th of March in St. Petersburg a seminar about improving the efficiency of concrete and concrete articles manufacturing took place. The seminar covered such issues as changes in normative documentation about the concrete production, quality control of concrete on a building site, certification and insurance companies that manufacturethe concrete.
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Self-regulation and the WTO membership

Self-regulation and the WTO membership (rus)

On the 18th and 20th of April at the XVII International Building Forum "Interstroyexpo" washold the First annual international conference on "Self-regulation and the international building market."
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Development of master programs“Engineer-economist in the Energy and Sustainable Development

Intelligent Design System Allplan helps students from the CIS to do an internship in Germany (rus)

Berlin, May 2012. Regular international architectural competition by Allplan, launched in autumn 2011, continues to receive competitive projects. The final competition is held every two years. Projects will be submitted till the beginning of summer holidays.
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STANDARDS
 

E.V. Chegotova
The role of technical customer in the investment and construction activity organization (rus)

Enhancing the effectiveness of the construction industry needs to improve the investment and construction activity organization in the form of capital investment. Capital investments can be divided into investments in the creation productive capacity of building organizations, enterprises, their industrial base and investment in the creation of real estate. Both types of investments can be classified as an investment and construction projects.
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 METHODS
Study of concrete strength heterogeneity in monolithic structures

A.K. Baiburin, S.N. Pogorelov
Study of concrete strength heterogeneity in monolithic structures (rus)

The factors, influencing on the heterogeneity are analyzed. The study results of the strength distribution over the area of the monolithic walls, floors and columns height are given.
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Tangential adhesion strength of cement mortars in masonry

V.N. Derkach
Tangential adhesion strength of cement mortars in masonry (rus)

In the paper the experimental studies results of tangential adhesion strength of cement mortars with solid and hollow ceramic bricks, porous stones, calcium silicate bricks and cellular concrete blocks are presented.
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Control methods for strength of ceramic bricks in the inspection of buildings

A.V. Ulybin, S.V. Zubkov
Control methods for strength of ceramic bricks in the inspection of buildings (rus)

In the paper the possibility of determining the compressive strength of corpulent ceramic bricks by testing cylindrical samples taken from the body of masonry, is explored. The relation between standard samples tests results according to GOST standards № 8265-84 and testing of cylindrical samples is given.
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 MATERIALS
Selection procedure of seismic-load reduction factor K1 at a given level of ductility factor

Y.V. Selivanov, A.D. Shiltsina, V.M. Selivanov, Y.V. Loginova, N.N. Korolkova
Composition and properties of ceramic heat insulating building materials made ofthe masses of low temperature foaming on the basis of clay raw material (rus)

The article contains the study results of compositions and properties of ceramic heat-insulting building materials of masses on the basis of clay raw materials, received by power efficient technology of low-temperature foaming.
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The Finite Elements Research for Calculation of Thin-Walled Bar Systems

R.V. Lesovik, S.V. Klyuyev
Fiber concrete containing composite binders and technogenic sands of Kursk magnetic anomaly for flexural structures (rus)

This paper considers the application of steel fiber for the reinforcement of fine-grained concrete. In this project, the fine ground cement and the binder with low water demand were used as the main binder. The fiber-concrete mixture consisted mainly of the antropogenic sand of the Kursk magnetic anomaly, enriched with Tavolzhan sand.
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About stability analysis of elastic frames

M.I. Balzannikov, A.A. Mikhasek
Use of quick-setting substances in watertight elements for rock material dams (rus)

The authors developed a new technology of watertight element creation. Experimental model research on the form and size determination of the quick-hardening substance lamination area inside the dam was carried out.
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G.P. Petrakov
The service life of plastic pipe in the polyurethane foam insulation, used for heating systems (rus)

The paper presents the method of determining the service life of polymer heat pipelines made of PE-RT and PE-X at a temperature of 110 °C, based on domestic and foreign standards. The analysis of heat pipelines performance made of PE-RT and PE-X and the plastic pipes service life calculation at temperatures up to 110 °C indicate obvious advantages of PE-RT Type II DOWLEX ™ 2388.
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 TECHNOLOGY
Determining the rational technological parameters of heatresistant concrete produced with sodium silicate binder

Z.A. Manturov
Determining the rational technological parameters of heatresistant concrete produced with sodium silicate binder (rus)

This paper brings the results of comprehensive research on the selection of rational technological modes of preparation, molding and thermal treatment of refractory concrete composite on sodium-silicate binder. In particular, the method of preparing the concrete mix is chosen.
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Strengthening of the beam structures taking into account repair and mounting forcesinfluence

A.S. Gorshkov, N.I. Vatin, A.I. Urustimov, P.P. Rymkevich
Computational justification for engineering measures preventing the ice dams formation on the pitched roofs (rus)

This research regards the generation of heat balance equation for cold attics. Using this equation, the engineering and technical substantiation for the list of measures preventing ice mounds formation in the roofs during the period with lowest outside temperature is made.
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 ORGANIZATION
The model of intellectual support of decision-making in building structures condition management

V.Z. Velichkin, T.N. Soldatenko
The model of intellectual support of decision-making in building structures condition management (rus)

The purpose of the paper is effective decision-making aimed at uncertainty level decrease in the process of detection of operational impacts on building structures for the required durability provision. This purpose is achieved by artificial intelligence element application (fuzzy sets) in the joint analysis of retrospective, current and expert information on the building structure state.
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V.G. Eremin, Cao Van Lam
Automating the evaluation of riding quality of bridges (rus)

The article describes the results of optimization work on wear determination and traffic condition estimation process. For this purpose the automated program was created which was aimed at labor coefficient reduction and lessening the qualification and subjective opinion impact of the expert, involved in the bridgework examination.
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