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№ 3 (126) 2021: Недавние поступления
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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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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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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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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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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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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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Analysis of the non-linear methods for foundation settlement anessment
(BrSTU, 2021)The article discusses methods for calculating foundation settlement based on various approaches to solutions of the theory of limit equilibrium. The analysis of foundation settlement calculations in the linear and nonlinear stages of the subsoil reaction according to the Belarusian and Russian regulatory ...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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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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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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Investment priorities during the pandemic
(BrSTU, 2021)The work analyzes investment activity in the context of the COVID-19 pandemic that caused the global economic crisis. It is concluded that the pandemic has become a catalyst for the digitalization of the world economy. Both countries and businesses that quickly adapt to new conditions will be the ...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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Statistical assessment of the runoff time series homogeneity of the rivers in Belarus
(BrSTU, 2021)The article considers the need to evaluate the homogeneity of hydrological series using several statistical criteria, since the effectiveness of methods for testing homogeneity depends on the distribution of data. In addition to the officially recommended statistical parametric Student and Fisher ...2021-12-03
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Innovative technologies in management municipal solid waste in the Republic of Belarus
(BrSTU, 2021)The article is devoted to the problems of solid municipal waste management in the Republic of Belarus. The importance of finding innovative approaches to waste management due to the growing environmental, economic and social problems in society with an increase in the volume of generated waste is ...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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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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Rain surface runoff modeling using cellular automaton
(BrSTU, 2021)The numerical solution of a system of two-dimensional shallow water (Saint-Venant) differential equations in partial derivatives for modeling the dynamics of surface runoff using digital elevation models obtained by laser altimetry leads to a significant increase in the computational load on the ...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
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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
