No 4 (2013)

Articles
THE APPLICATION OF COMBINATORIAL-VARIATIONAL APPROACH TO COMPUTER GEOMETRICAL MODELING OF ENGINEERING CONSTRUCTIONS AND BUILDINGS
Vanin V.V., Shambina S.L., Virchenko V.G.
Abstract
The paper considers some issues of combinatorial-variational geometric modeling for computer-aided formation of engineering constructions and buildings in their design using modern computer-aided approach.
Structural Mechanics of Engineering Constructions and Buildings. 2013;(4):3-8
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ANALYTICAL SURFACES IN THE ARCHITECTURE OF MOSCOW
MAMIEVA I.A.
Abstract
In the view of increasing interest to design, calculation and the application of architectural structures in the form of various smooth and compound surfaces, it would be interesting to illustrate the application of analytical surfaces in architecture of Moscow. In this paper, photos are presented and structures and buildings in Moscow in the form of analytical surfaces are analyzed. It appeared that in Moscow, only 13 surfaces from 550 described in scientific works were used.
Structural Mechanics of Engineering Constructions and Buildings. 2013;(4):9-15
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THE GROWTH OF COHESIVE CRACK IN A STRINGER PLATE
Mir-Salimzade M.V.
Abstract
The infinite plate, reinforced with a regular system of ribs and weakened by one rectilinear crack is considered. The crack surfaces interact in the end zones. The stress intensity factors are found. For determining limit equilibrium crack the two-parameter fracture criterion is used.
Structural Mechanics of Engineering Constructions and Buildings. 2013;(4):16-22
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STRESS-STRAIN STATE OF ANISOTROPIC PLATE WEAKENED WITH HOLE
Nizomov J.N., Hojiboev A.A., Hojiboev O.A.
Abstract
The problem has exploring the concentration of stress-strain condition around the contour of the hole in terms of flat deformation. In accordance to expanding of using of anisotropic materials in different kind of technique, the important question is influences of anisotropic materials to concentration of stress.
Structural Mechanics of Engineering Constructions and Buildings. 2013;(4):22-28
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PROBLEMS IN GEOMETRICALLY NONLINEAR STABILITY ANALYSIS OF SPACE FRAMES
GALISHNIKOVA V.V.
Abstract
State of the art in geometrically nonlinear analysis of space frames is presented in the paper. The main difficulties that arise in formulation of incremental equations and the main drawbacks of existing methods are described.
Structural Mechanics of Engineering Constructions and Buildings. 2013;(4):28-30
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THE PROBLEMS OF CHOICE OF CALCULATION SCHEMES IN DESIGN OF DIPLOMATIC COMPLEXES
Razin A.D.
Abstract
In the results of analyze of the experience design of the multistory diplomatic buildings, the more frequently used calculation schemes for design of diplomatic buildings are exposed.
Structural Mechanics of Engineering Constructions and Buildings. 2013;(4):31-33
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THE PERFECTION OF A METHOD OF ANALYTICAL ACCURATE DEFINITION OF PHYSIC-AND-MECHANICAL CHARACTERISTICS OF ROCKY AND NOT ROCKY BASES OF HYDROTECHNICAL ERECTIONS ON THE BASIS OF FINITE ELEMENT MODELS WITH THE NATURE DATA TAKEN INTO ACCOUNT
Shestopalov P.V.
Abstract
Moscow Owing to the various reasons, the real physic-and-mechanical characteristics of soil of the bases of hydraulic engineering structural systems can differ from design preconditions. The technique of settlement specification of the actual physic-and-mechanical characteristics of the rocky and not rocky bases of hydraulic engineering structural systems is offered. This is done on the basis of finite element models of the system "erection - basis" with taking into account natural supervisions over settling of erections. Examples of the application of the developed technique, concerning the bases of sections of the concrete dam of Boguchany hydroelectric power station and the water intake of the Zagorsk GAES-2 are given.
Structural Mechanics of Engineering Constructions and Buildings. 2013;(4):33-41
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ESTIMATION OF THE SIZES OF SOLID GROUND, ASKED AT THE SPATIAL CALCULATIONS OF UNDERGROUND STRUCTURES, BASED ON THE CONDITIONS OF ATTENUATION OF ITS STRESS-STRAIN STATE
Tran X.L.
Abstract
The article presents the results of calculation of spatial models of systems “shell – soil array” at different sizes array. Estimation of influence of its size on the stress-strain state of the array and embedded in its underground structure.
Structural Mechanics of Engineering Constructions and Buildings. 2013;(4):41-42
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OPTIMIZATION OF CALIBRATION PROCESS WHEN FORGE-ROLLING
Kohan L.S., Rempel G.B.
Abstract
In the paper, the methodology of optimal choice of deformation and force parameters of calibration sets out when forge-rolling.
Structural Mechanics of Engineering Constructions and Buildings. 2013;(4):43-47
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INVESTIGATION OF THE STRESS-STRAIN STATE OF THE CONSOLE WITH HOLE
Zaytsev S.E., Safronov V.S.
Abstract
The paper presents an analytical model estimates the stress-strain state and stability of the wing with a cutout, built on the basis of the energy method. The results of the calculations and their comparison with the results obtained by the finite element. Obtained in this study are calculated according to analytical.
Structural Mechanics of Engineering Constructions and Buildings. 2013;(4):48-62
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ESTIMATION DES PLUIES EXCEPTIONNELLES JOURNALIERES EN ZONE TROPICALE: CAS DU BASSIN VERSANT DE L’OUEME AU BENIN PAR COMPARAISON DES LOIS DE JENKINSSON ET DE GUMBEL
BACHAROU T., HOUINOU G., ADJIBOICHA M., Edmond C.A., ORLOVA E.
Abstract
The present work has for objective the survey of the features of the rainfall observed on the Ouémé's basin and the establishment of the the evaluation of the daily exceptional rains very used in the conception of the hydraulic works and Civil Engineering. The extreme annual daily rainfalls of 37 rainfall stations of Benin installed on the Ouémé's basin have been analyzed on the period 1971-2010. Then, they have been adjusted to an extreme value law selected among the laws of Jenkinson and Gumbel according to the Kolmogorov-Smirnov test. These tests permitted to regionalize the laws of adjustment in distinct two zones of application: the law of Jenkinson appears more adequate to the zone South while the law of Gumbel suits the North zone of Benin better; what makes notice the non consistency of the exclusive use of the law of Gumbel at the time of the studies of conception of hydraulic works on the whole territory. The evaluation of the quantiles relative of daily rain to the period’s back 2, 5, 10, 20, 50 and 100 years revealed that the maximal heights of water of rare frequency are observed at the Cotonou-Airport station on the Coastline and the maximal heights of water weakest in Ina's region to the North of Benin.
Structural Mechanics of Engineering Constructions and Buildings. 2013;(4):63-71
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THE DEFINITION TECHNIQUE OF AGGREGATE COMPOSITION FROM METAL DUSTS WITH THE SET PHYSICAL PROPERTIES AND DENSITY
Kohan L.S., Shulgin A.V., Zhigunova O.Y.
Abstract
The definition technique of aggregate composition from metal dusts with the set physical properties and density is stated in the paper with "cuprum-zinc" example.
Structural Mechanics of Engineering Constructions and Buildings. 2013;(4):71-75
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INNOVATIVE MASONRY MADE OF LARGE-SIZE HOLLOW UNITS WITH 50% POROSITY AND WITH GLUE JOINTS
Granovsky A.V., Kondratyeva E.Y.
Abstract
The results of the experimental research on the strength of masonry walls made of large-size ceramic perforated hollow core blocks with 52% porosity produced by “Ryabovskiy Ceramic Ware Factory” LLC have been analyzed. Masonry walls were built with adhesive mixture. The experiment included different types of static load testing (compression, bending, shear). High strength of masonry walls made of LCPHB with 2-3mm wide joints was noticed.
Structural Mechanics of Engineering Constructions and Buildings. 2013;(4):76-80
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