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Посмотр № 3 (126) 2021 по дате публикации
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Ecological features of pile works in construction
(BrSTU, 2021)This article shows ecological features of pile works (provided with tables and figures) including pile works for driven piles. The most unfavorable features of pile works are noise and vibrations. Maximum permissible value of noise and vibrations are often exceeded during pile works. It causes growth ...2021-12-03
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On the issue of increasing the reliability of determining the modulus of the general soil deformation
(BrSTU, 2021)The reliability of determining the modulus of general soil deformation directly affects the forecast of the final foundation settlement. Since the calculation of the 2-group ultimate conditions of the foundation bases is crucial in determining the size of the foundations, the solution of this issue ...2021-12-03
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Definition of conditions for sustainable development of the enterprise
(BrSTU, 2021)The sustainable development of the national economy directly depends on the sustainable development of all industries, which, in turn, are formed from the development of each, separately taken enterprise - the main reproductive link. Under the influence of the factors of the business environment, the ...2021-12-03
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Estimation of the shear resistance models of reinforced concrete elements without stirrups according to various design codes
(BrSTU, 2021)This paper presents the results of assessments shear design models with experimental data, included in the current and developed standards for the design of reinforced concrete structures.2021-12-03
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Robustness assessment of precast reinforced concrete structural systems in an accidental design situation
(BrSTU, 2021)The article presents the simplified implementation of the method of alternative load paths based on the energy balance approach. This method should be used to checking the global resistance of a damaged structural system after the occurrence of an accidental event. It is necessary to provide (reserve) ...2021-12-03
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Spatial development of territories: cross-border aspect
(BrSTU, 2021)The work assesses innovative processes as the basis of spatial development of territories. Activating innovative processes that contribute to the development of regions. The characteristics of forms and factors of cross-border cooperation are given. The transport industry and construction have been ...2021-12-03
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Method for selecting a costeffective option of the sequence of construction of buildings and structures in a complex
(BrSTU, 2021)When developing a justification for investment in the construction of facilities in accordance with regulatory documents, alternative studies and calculations should be carried out in order to determine the effectiveness of investments. This article offers a method for assessing the economic efficiency ...2021-12-03
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Analysis of the strain-stress state of the bend-ing continuous RC-beams with hybrid reinforcement in the tensile zone under intermediate support
(BrSTU, 2021)The article considers the proposed model describing the stress-strain state of bent statically indeterminate reinforced concrete beams with combined reinforcement (the joint arrangement of metal and composite rods) of the stretched zone of the central support section, based on the positions of the ...2021-12-03
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Optimisation of the design of the basic elements of the bearing system of a heavy CNC machining centre
(BrSTU, 2021)By the example of a three-dimensional model of the bearing system of a heavy multipurpose CNC machine, the influence on the deformation displacements of the structural design of the basic elements, the location of the supports is considered, which made it possible to identify weak points in the structure ...2021-12-03
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The use of artificial neural network models in the acoustic diagnostics of multi-shaft gear drives
(BrSTU, 2021)The article considers the possibility of diagnosing a multi-shaft gear mechanical system based on the analysis of an acoustic signal using artificial neural network models on the example of the speed box of the SN-501 lathe. A sufficiently high efficiency and accuracy of detecting a local defect of ...2021-12-03
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Controller functions for adaptive compensation system reactive power
(BrSTU, 2021)The article is devoted to the construction of a controller algorithm as part of an adaptive reactive power compensation system. To construct the structure of a system with a controller, a reactive power compensator circuit with an analog calculation of the capacitance of capacitors was selected. The ...2021-12-03
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Research of dynamic characteristics of power transfers by frictional type flexible link
(BrSTU, 2021)Functioning of power transfer by flexible link of frictional type in conditions of a dynamic loading is theoretically described. Small motions of power transfer by flexible link of frictional type which allows to forecast unstable transfer operating modes are presented. Experimental research in the ...2021-12-03
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Research of rigidity of tootheds of the toothed belt in conditions of the dynamic loading
(BrSTU, 2021)The article results of experimental researches of rigidity of tootheds of a toothed belt within the limits of zones of a deficient profile gearing are presented by transmission of capacity.2021-12-03
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Stabilization of logistics functions in the risk management of regional logistics systems on the principles of the international standard
(BrSTU, 2021)The issues of stabilization of logistics functions in the risk management of regional logistics systems are based on the principles of the international standard. Logistics functions are presented as special management functions. The stages and components of the monitoring system of the logistics ...2021-12-03
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Some remarks about chemical prestressing of FRP reinforce-ment
(BrSTU, 2021)In last years has been observed a new wave of interest in the research and practical use of self-stressing concrete, now in combination with various types of non-traditional reinforcement. One of the widely used types of these reinforcements is FRP bars and long fibers (textile). We connect the major ...2021-12-03
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The tribotechnical characteristics of diamond-like coatings formed by hybrid technology
(BrSTU, 2021)The use of low temperatures to improve the performance of steel products is a widely used technology in mechanical engineering. Another direction of increasing the efficiency of machine parts and mechanisms is the creation of thin-layer systems using vacuum technologies. The combination of these ...2021-12-03
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The research into thermal and energy characteristics of a plasmаtron for obtaining hydrogen low temperature plasma
(BrSTU, 2021)The article presents the results of experimental research of voltampere characteristics, thermal fluxes into the plasmatron elements, electrode erosion, thermal efficiency of a hydrogen plasmatron in the wide range of parameters. Has been developed an original construction of a plasmatron for obtaining ...2021-12-03
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Fracture toughness of carbon nanotubes modified cement based materials
(BrSTU, 2021)In order to increase the fracture toughness of concrete, dispersed fiber reinforcement is increasingly used in practice. The initiation of crack initiation occurs at the nanoscale in the cement matrix. Thus, the use of nano-reinforcement with dispersed nanoparticles can have a positive effect on the ...2021-12-03
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Service life prediction’s algorithm: loading, carbonization, chloride aggression
(BrSTU, 2021)Corrosion reinforcement marine hydraulic structures due to chloride aggression and carbonization of concrete leads to a sharp decrease in the safety of the structure. The steel reinforcement will be subjected to a so-called depassivation process, once the chloride concentration on surface exceeds a ...2021-12-03
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Estimation of operational efficiency of fixed and solar tracking PV systems in Belarus climate
(BrSTU, 2021)The authors of the article estimate a feasibility of utilizing solar power facilities on the territory of Belarus. They calculate total values of solar radiation under ideal weather conditions and make conclusions about operational efficiency of fixed and tracking PV systems.2021-12-03
