No 5 (2016)

Articles
IMPROVEMENT OF THE METHOD OF CALCULATION OF INDUSTRIAL LOOP CONNECTIONS OF FITTINGS OF REINFORCED CONCRETE CONSTRUCTIONS OF HYDROELECTRIC POWER STATION AND THE NPP AT THE LIMIT STATE
Klimov E.A., Nikolaev V.B.
Abstract
Results of researches of loopback connections of reinforcement bar of massive concrete constructions of hydroelectric power station and the NPP, including development of a method of calculation of loopback connections on limit state of the first and second group are pre- sented in the article.
Structural Mechanics of Engineering Constructions and Buildings. 2016;(5):3-10
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MODELING SPATIAL CRACKS IN CONCRETE STRUCTURES IN TORSION BENDING
Kolchunov V.I., Rypakov D.A.
Abstract
The article discusses modeling of spatial cracked concrete structure, working in bending and torsion. Variants of surfaces modeling spatial crack are right helicoid,bicubic Coons sur- face, and bilinear surface. The analysis of these surfaces gave a possibility to choice the most suitable simulation
Structural Mechanics of Engineering Constructions and Buildings. 2016;(5):11-16
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INVESTIGATION OF THE CONDITIONS OF SAFETY ENSURE OF THE MAIN CIRCULATING PIPELINE ON THE BASIS OF THE LBB CONCEPT
Kuz'min D.A.
Abstract
The conditions of safety ensure based on the LBB concept were investigated.The meth- ods and approaches used for the calculations based on the LBB conceptare shown. The results of this work were derived for NPP VVER -440, using the regulations of the USA, Slovakia, the Czech Republic and Russia in the LBB concept
Structural Mechanics of Engineering Constructions and Buildings. 2016;(5):16-23
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CALCULATION OF REINFORCED CONCRETE BEAM RELIABILITY ON THE CRACK LENGTH CRITERION
Utkin V.S., Solovyev S.A.
Abstract
The article describes the methods of calculation of reinforced concrete beams reliability at operation stage by the concrete crack length criterion. The offered methods differ in the fullness of statistical data about controlling parameters in mathematical design model. The numerical examples of reliability calculation are given. The article also illustrates the applica- tion of evidence theory for evaluation of mathematical expected value of reliability in the presence of statistical information in the form of a subset of intervals.
Structural Mechanics of Engineering Constructions and Buildings. 2016;(5):24-33
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STRESS AND DEFORMED STATE OF TWO-LAYERED ANISOTROPIC FOUNDATION IN THE ABSENCE OF FRICTION BETWEEN THE LAYERS
KUDRYAVTSEV S.G., BULDAKOVA J.M.
Abstract
The technique of determining displacements and stresses in anisotropic two-layer basis, in the absence of friction between the layers, under the influence of normal surface load is given. The solution is based on the equations of the plane problem of elasticity theory. The diagrams of change of stresses plotted on the characteristics of the material layers are presented.
Structural Mechanics of Engineering Constructions and Buildings. 2016;(5):33-42
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MATHEMATICAL MODELING OF THE ALUMINUM SAMPLE PRECIPITATION
Gnevashev D.A., Matveev E.A., Krutina E.V.
Abstract
The results of physical and numerical experiments of the process precipitate a cylindrical aluminum sample performed by the finite element method. Optimal numerical modeling of options that allow to further develop a method of numerical simulation of metal forming proc- esses
Structural Mechanics of Engineering Constructions and Buildings. 2016;(5):43-47
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FINITE ELEMENT ANALYSIS 0F STRESS-STRAIN STATE OF SHELLS OF REVOLUTION WITH TAKING INTO ACCOUNT THE STRAIN OF TRANSVERSAL SHEARING
Klochkov Y.V., Nikolaev A.P., Ischanov T.R.
Abstract
In this paper, based on the Foursquare element sampling algorithm is presented finite element calculation of shells of revolution considering transverse shear strains in different variants of the reference tilt angle of the normal process of deformation
Structural Mechanics of Engineering Constructions and Buildings. 2016;(5):48-56
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THE NATURAL FREQUENCY OF THE COMPOSITE LAMINATED ROD
Karimbayev T.D., Nurimbetov A.U.
Abstract
Oscillations in the multi-layer composite bodies are studied. Natural vibrations of a reinforced many-layered rod are researched. For determination of the characteristics of multi- layered rods and for clarify of the role of some of their parameters, a rod of the rectangular cross section and the most simple forms of vibrations were considered. The results of numerical calculations are compared with experimental data
Structural Mechanics of Engineering Constructions and Buildings. 2016;(5):57-64
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ROD VIBRATIONS CONSIDERING NON-LOCAL DAMPING
Shepitko E.S.
Abstract
In this paper, an impact made by non-local damping on rod vibrations under the periodic and stochastic load is considered. The relationship between the non-local damping characteris- tics and the dynamic behavior of the rod is analyzed. The solution is obtained using the Galerkinmethod.
Structural Mechanics of Engineering Constructions and Buildings. 2016;(5):64-71
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INFLUENCE OF THE THERMAL MODE OF THE PACIFIC OCEAN ON RAINFALL IN HYDROGRAPHIC DEMARCATION OF THE MANABA (ECUADOR)
Campos Cedeno A.F., Sinichenko E.K., Gritsuk I.I.
Abstract
In the article, results of the analysis of influence of the thermal mode of the Pacific Ocean on volumes of loss of rainfall in hydrographic demarcation of Manabi (Ecuador) for 51 annual periods which have shown that change of an amount of precipitation doesn't depend on air temperature in the territory of demarcation are stated, and depends on the water temperature of the Pacific Ocean.
Structural Mechanics of Engineering Constructions and Buildings. 2016;(5):71-74
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ANALYSIS OF UNSTEADY LIQUID MOTION IN CIRCULAR CYLINDRICAL SHELLS FOR COMPLEX SCHEME INCLUDING SEVERAL RINGS
Rekach F.V.
Abstract
He analysis of parameters of the unsteady fluid motion for complex circuits containing several circular rings is given in a paper. The author has set the task to carry out the calcula- tions of long hydraulic circuits with the presence of several circular rings included in the ge- ometry of the outline with different diameters of the pipelines with the specified estimated consumer spending with many points of branching pipelines. Thermal circuit of Nizhniy Novgorod city is adopted in the enlarged view.
Structural Mechanics of Engineering Constructions and Buildings. 2016;(5):75-79
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