№ 2 (2010)

Мұқаба

Articles

Strengthening of ramming pit throat technology and device for it's realization

Svintsov А., Vorobyov A., Kryvochapko S., Kvartenko K.

Аннотация

Method of strengthening of ramming foundation pit throat and device for it's realization is presented in this paper. It has demonstrated that reverse taper formation in the pit throat when earth-moving during ramming of pits can be precluded due to installing metal case in it, provided by flat area, supported on the ground surface.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2010;(2):7-10
pages 7-10 views

Technology of formation of the widened basis under bored piles and the device for its realization

Stashevskaya Н., Nikolenko U., Malov A., Krivoshapko S., Zadiranov A.

Аннотация

The device for formation of the expanded basis under bored piles and technology of its performance is presented. It is shown, that increase of bearing ability of a pile of an offered build is reached by that at insertion of a trunk semiflexible blades run into a ground and are bent, creating the expanded basis under bored piles.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2010;(2):11-14
pages 11-14 views

Reliability indices of construction technological system with reserve

Loginov P., Sidorenco S., Smirnov D.

Аннотация

The investigation results of reliability indices of construction technological system with simultaneous functioning of main and reserve elements are provided. The dependence of reliability indices of construction technological system using simultaneous functioning of main and standby elements of production process enables to evaluate the efficiency of chosen work organization scheme.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2010;(2):15-18
pages 15-18 views

Methods measuring of stringed activity efforts in reinforcement bars building of steel concrete

Zinovyev R.

Аннотация

In the article examine problems for perfection of methods measuring of activity efforts in reinforcement bars of operational building of steel concrete in places, where stringed reformers not mounted during process of construction.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2010;(2):19-24
pages 19-24 views

Features of the beamless wide-span cast-inositu ferro-concrete slabs

Ganin A.

Аннотация

Analysis of effective reinforcement of wide-span cast in situ beamless slabs are presented in this paper. Recommendations about designing and technology of reinforcing of this type of slabs are given.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2010;(2):25-28
pages 25-28 views

Technology of cooling of the ground

Stashevskаya N., Malov A., Nikolenko U., Vorobyev A., Sidorenko S.

Аннотация

Engineering structures are erected to any frozen ground, including iceful and pure ice, with the obligatory device of the various cooling systems providing preservation of a frozen condition. The technology of cooling of a ground by means of a new construction of the device for ground cooling is resulted.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2010;(2):29-31
pages 29-31 views

Resistance construction in operation in industrial buildings exposed to petroleum

Vorobiev A., Kazakov A.

Аннотация

The protection of the concrete and reinforced concrete structures against the oil products used in industrial buildings for cooling and lubrication of the technological equipment is examined. In the case of the laying on the mentioned constructions surface of 5-6 layers of the paint-and-lacquer materials these constructions are impermeable even for the light fractions of the oil products.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2010;(2):32-35
pages 32-35 views

New ways of strengthening of compressed elements reinforced concrete structures

Teryanik V., Podnebesov P.

Аннотация

Compressed elements of reinforced concrete structures are influenced by various factors in the process of building exploitation. Increasing of exploitation pressures is the chief danger. One way of increasing of carrying capacity of main exploiting columns is considered in the report.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2010;(2):36-39
pages 36-39 views

Operational reliability of sanitary-engineering armature of internal waterpipe systems in residential buildings

Svintsov А., Grishin D., Glebov Е.

Аннотация

Research and estimation results of reliability of sanitary-engineering armature of internal waterpipe systems in residential buildings are presented. The attention is focused on fact, that operational reliability's indicators of sanitary-engineering armature of internal waterpipe systems in residential buildings can be defined on the basis of analysis, statistical data processing of registration and malfunctions in controller's record books and also by their consideration on the basis of reliability theory.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2010;(2):40-44
pages 40-44 views

Use of jet devices for water supply and water removal

Мinarbekov Z.

Аннотация

Is considered use of jet devices for water supply and water removal. Features and advantages of vortical jet hidroelevetor and prospects of their use for needs of water supply and water removal are presented.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2010;(2):45-47
pages 45-47 views

Development of technology of drinking water after purification from organic substances

Timoschuk I., Shishkin V., Krasnova T., Kirsanov M.

Аннотация

Complex of investigation of adsorption a chlorphenol and chloroform by their compatibility in the presences from waters by activated carbon AG-3 and SKD-515 are different by nature, structure, size specific gravity of surface was studied. The fundamental laws, peculiarity and machinery of organic components was established. Machinery of mass-transfer by adsorption of chlorphenol and chloroform mixture was showed. The main adsorption and kinetic parameters was defined. A model for balance of process adsorption of mixture consist from range of study about equilibrium, kinetics and dynamics adsorption of chlorphenol and chloroform in front of solution from water with activated carbon AG-3 and SKD-515, and calculation of engineering was suggested. The technology of adsorption purification drinking water was developed.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2010;(2):48-51
pages 48-51 views

Water potable and hervalue as the major factor of life-support of the population

Grishin D., Tami Al-Harami -.

Аннотация

The value of water of drinking quality is physiologically, socially and historically caused set of her useful properties from the point of view of suitability to satisfy food and household needs of vital necessity.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2010;(2):52-56
pages 52-56 views

Mathematical model of water desalting by electrodialysis

Krasnova T., Semenov A.

Аннотация

Application of an electrodialysis for the natural water treating from superfluous quantity of inorganic salts is described. Principles of the modeling of electrodialysis apparatus are offered. The equations are obtained for the model, that take into account fluid dynamics and changes of membrane characteristics with the length of apparatus and in time.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2010;(2):57-60
pages 57-60 views

Water supply of the population as socially significant blessing

Soutchenko V., Grishin D., Tami Al-Harami -.

Аннотация

Supply of an available housing by water of drinking quality is a strategic problem of the state in maintenance of vital, sanitary and hygienic safety of the population. At supply of the population by water important not only to solve problems of profitability of the enterprises of water supply and water removal but also to satisfy needs of social character.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2010;(2):61-66
pages 61-66 views

Protection of fishes on devices for the fence of water

Vdovin Y., Luchkin I., Sairiddinov S., Strelkov D.

Аннотация

The technology of filtering receivers of water plays a significant role in water supply of cities. The basic advantages of constructions for filtering are submitted in article. A conclusion that accident protection devices for a fish represent the major device for prevention of hit of fishes in mechanisms of a fence of water.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2010;(2):67-71
pages 67-71 views

Overall performance of devices of electric type for protection of the fish on constructions for the fence of water

Sairiddinov S.

Аннотация

The analysis of an overall performance of devices of electric type for protection is executed. It is revealed, that features biological and electromagnetic, characteristic fishes for various kinds determine many aspects of action of devices on protection of a fish. The basic direction of protection of a fish is technical devices, which simple in construction and operation.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2010;(2):72-75
pages 72-75 views

Program safety of hydraulic structures

Lуapichev Y.

Аннотация

The main aspects of the urgent problem of safety of hydraulic structures in Russia is reviewed including the recent catastrophic failure of the Sayano-Shushensk hydropower plant (6400 MW) in Siberia. The main features of the innovative program «Safety of Hydraulic Structure» is presented aimed for teaching and training of students of Peoples' Friendship of Russia (PFUR) for degree of Master of Science in Hydraulic and Dam Engineering.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2010;(2):76-81
pages 76-81 views

Determination of free oscillations frequencies in water lines with elastic element

Sinichenko E., Rekach F.

Аннотация

Pressure oscillations in water lines with elastic element are considered. D'Alamber method is used. Problem of determination of free oscillation frequencies is investigated.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2010;(2):82-86
pages 82-86 views

Use of various models of concrete and rock foundation in stress state analysis of Boguchansk conrete dam

Lуapichev Y., Zakharov R.

Аннотация

The 2-D stress-strain state analyses of Boguchansk concrete dam was performed using ADINA program with various models of concrete and rock foundation: elastic, ideally elasto-plastic with Mohr-Column criterion and nonlinear brittle models. The main properties of the nonlinear brittle model with strength softening of concrete and rock foundation were considered. The stress-strain state of dam sections under actions of hydrostatic and uplift pressures was analyzed and assessed as a favorable, but severe cold winter temperatures can transfer the dam state into unfavorable.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2010;(2):87-96
pages 87-96 views

The application of statistical methods for quality assessment of high concrete dams monolithing

Ryzhankova L., Argal E.

Аннотация

Results of statistic calculation are given of data processing of both the first and the second grouting of 210 charts of the Ingury arch dam temporary joints. It is inviting to assess of dam monolithing quality on the сontrol works results for the sample of charts and move the results to the whole combination.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2010;(2):97-99
pages 97-99 views

Cementic materials for cementation concrete dams cutting on columns

Fomin B., Kornushina M.

Аннотация

The expediency of erection of high concrete dams cutting on columns in severe climatic conditions with use cutting on columns on concreting blocks is shown. Necessity of reception sufficient for carrying out of cementation of disclosings of time building joints is noted. Are offered cementic materials providing carrying out of successful cementation of seams with small disclosings.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2010;(2):100-108
pages 100-108 views

Stress-strain state of variant of rockfill dam with conrete facing of Kambarata-1 hydropower plant

Lуарichev Y., Radzinsky A.

Аннотация

The 2-D stress-strain state analyses of Kambarata and TSQ-1concrete face rockfill dams were performed using ADINA program with ideally elasto-plastic model of rockfill with Mohr-Column criterion. The great influence of consequence of construction on the stress-strain state of both dams was received. The new effective method of decrease of deflection of concrete face by roller compacted concrete (RCC) elements integrated under the middle of concrete face was proposed and assessed for Kambarata dam. The proposed Kambarata concrete face rockfill dam is the most favorable one comparing with the traditional concrete of rockfill dams whose are under design now.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2010;(2):109-117
pages 109-117 views

Determination of optimal perforation square in a cap under water hammer in pressure water lines

Rekach F., Sinichenko E.

Аннотация

Pressure oscillations in water lines with air cap (pressure stabilizer) under water hammer are considered. Method of characteristics is used. Problem of optimal perforation square in a cap is investigated. A problem of optimal perforation square in an air cap is considered.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2010;(2):118-122
pages 118-122 views

Assessment of slopes stability of rockfill dam of Boguchansk hydropower plant

Tabuev V.

Аннотация

Results of comparative analyses of slopes stability of Boguchansk rockfill dam under action of static and seismic loads are presented. Analyses are performed by traditional (Terzhagi) and numerical (Finite Elements) methods. In the first method the decrease of shear strength of rockfill with increase of normal stresses was considered. In the latter the Mohr-Coulomb perfectly elasticplastic model for rockfill was used. The large margin of slopes stability by Terzhagi method was obtained comparing with F.E. method that allowed to justify the seismic stability of the dam.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2010;(2):123-131
pages 123-131 views

The elaboration of column model of skating field house in Krylatskoe and sampling of number of finite elements for its calculation

Shakirov A.

Аннотация

The elaboration of mathematical model of monolithic concrete free-ended column of Skating field house in Krylatskoe and calculation of its dynamic parameters. The calculations of frequencies of self-induced longitudinal and lateral vibrations for two types of loadings and sampling of number of finite elements for its calculation.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2010;(2):132-136
pages 132-136 views

Analysis of strain conditions baseplates on ground subsiding seismic response

Obozov V., Tolstoyh M.

Аннотация

The article presents the research results of calculation base plate frame buildings under seismic effects of subsidence in the soil. The estimation of the influence of wetted soil subsidence on the stress-strain state of a base plate.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2010;(2):137-140
pages 137-140 views

Implementation of computer modelling of space framed structures

Lebed E., Atkin A., Romashkin V.

Аннотация

The algorithms for geometrical computer modelling of space framed structures are discussed in the paper. These algorithms are implemented by the authors in computer software. The software is based on geometrical analysis and visualization of selected types of structural systems based on unified prototypes and includes the feature of combining prototypes, thus creating complex spatial framed systems.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2010;(2):141-150
pages 141-150 views

Our autors

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Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2010;(2):151-155
pages 151-155 views

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