eNUPPIR

Deformability of bends continuous three-span preliminary self-stressed steel concrete slabs

Continuous steel reinforced concrete structures with the use of monolithic reinforced concrete slab as a compressed part of the section and steel profile part as stretched are widely used in civil ...

2023/01/12

1

Topological importance of the segments of the technical system structure

The article discusses the structure of a redundant technical system in the form of a graph. It is indicated that the structure of a technical system is modeled by an undirected graph. The most impo...

2023/01/12

1

Risk-oriented approach to identifying hazards in the construction industry of Ukraine

An attempt to improve the analytical method for determining the criteria for the risk degree in the construction industry was presented in this paper. The risk management process as a set of action...

2023/01/12

1

Determination of insolation conditions and selection of the optimal orientation of residential buildings

Виконання санітарно-гігієнічних вимог при проектуванні житла здійснюється відповідно до умов фізико-географічного районування території України і включає у себе вимоги до інсоляції, природного осві...

2023/01/12

1

Utilizing low-frequency ultrasound as a countermeasure to asphalt-resin-paraffin deposition in oil pipelines

The experimental data on the low-frequency ultrasound effect on asphalt-resin-paraffin deposits (ARPD) occurring in oil transportation through pipelines are presented. As a result of the empirical ...

2023/01/12

1

Efficient foundation pits solutions for restrained urban conditions

There are presented analysis results of the new multi-story residential building construction's impact on the existing development, constructive and technological measures for the arrangement of an...

2023/01/12

1

Determination of optimal variant for insulation of the attic floor of the educational building

The analysis of heat-protective properties of the existing attic floor of the educational building of National University «Yuri Kondratyuk Poltava Polytechnic» showed their non-compliance with regu...

2023/01/12

1

Structural analysis of vibration platform for panel units forming and consideration of its utilizing options

The review of the utilizing directions of the shakers of various designs for consolidation of concrete mixtures at the production of flat panel elements is executed. The major limitations and advan...

2023/01/12

1

Optimization of the double-span purlins design sketch in a framework with portal frames through the rafter stays application

Secondary structures, such as rafter stays, attached to the load-bearing element increase its stiffness, change its sketch and lead to a redistribution of internal forces. The influence of rafter s...

2023/01/12

1

Development of crane load codes on the basis of experimental research

The buildings and structures reliability and safety largely depend on a proper understanding of the nature and quantitative description and rationing of loads on building structures, including cran...

2023/01/12

1

The influence of the lever fixturing of the vibration exciter on the overall efficiency of concrete-mix vibration

У статті розглянута конструкція вібростолу, у якого за наявності вільного простору під ним (при закріпленні вібростолу на каркасі вище площини підлоги) виникає можливість закріплення віброзбуджувач...

2022/11/02

1

Stress strained state change in the «deformed building – pile foundation – base» system resulting from supplying the slab under the grilles

Presented features of a new analytical model of the "deformed building - driven prismatic piles as a part of a continuous grille - soil base with a weak underlying layer" system before an...

2022/02/09

1

New approaches to strategic program-targeted management of Ukrainian construction sector innovation and economic development

The situation analysis is carried out and the problems in the innovative and economic sphere of Ukraine development during its independence are revealed. Theoretical researches of modern tendencies...

2021/11/15

1

Modeling of production process by the method of works maximum approximation

Метою статті є розроблення розрахункових схем взаємозв’язків між роботами, які дозволять виконувати планування виробничого процесу методом максимального зближення робіт, та отримання залежностей дл...

2021/11/15

1

Change of stress-deformed mode of the slope masses during developing and operation of excavations in it

Проаналізовано геоморфологічні та інженерно-геологічні особливості будови ділянки розміщення штучної виїмки у вигляді ставка-накопичувача. Виявлено улоговину стоку поверхневих вод до водойми та виз...

2021/11/15

1

Civil building frame-struts steel carcass optimization by efforts regulation

With steel structures help it is possible to construct buildings with individual dimensions and different functions, using typical design solutions. The increase in the load-bearing building struct...

2021/11/15

1

Strength analysis of reinforced concrete in a closed space of a metal pipe

The concrete strengthening coefficient calculating method of concrete-filled steel tubular members at axial compression based on the plasticity theories by Saint-Venant and Huber-Mises-Genk. This m...

2021/11/15

1

Reflection of statistical nature of steel strength in steel structures standards

The article contains a publications systematic review on the problem of construction steels strength statistical description. Mechanical characteristics of modern steels have a statistical variance...

2021/11/15

1

Dynamics research of unbalanced vibrator with variable static moment

Every year the use of vibrating and vibro-impact equipment becomes more and more common. This machinery is successfully used in the construction of solid foundations for a different building. The m...

2021/10/11

1

Оцінка стаціонарних електродних потенціалів арматури залізобетонних конструкцій при її електрохімічній корозії

Обґрунтовується можливість використання теорії можливостей для оцінки стаціонарних електродних потенціалів арматури залізобетонних конструкцій при електрохімічній корозії.

2021/04/21

1

Імовірнісне подання технічних характеристик теплоізоляційних матеріалів

За результатами випробувань декількох десятків зразків коефіцієнти теплопровідності пінополістиролу та мінераловатних плит наведено у формі випадкових величин з нормальним законом розподілу, отрима...

2021/04/21

1

Experimantal researches of the current burdening cjurse plates achievements

The article presents the experimental study results of flat intercolumn plates loading work peculiarities of the beamless overlapping developed system. The attention is paid to the design of the ex...

2020/08/02

1

Compressed elements with a variable in length stiffness equilibrium form stability determination

One of the most powerful modern methods of calculating complex building structures is the finite element method in the form of a displacement method for discrete systems, which involves the creatio...

2020/08/02

1

Different characteristics brake automotive system sales research manufactured by additive technologies

Problems in designing hydraulic brake systems of cars have been analyzed. The study of the braking process has conducted considering the distribution of forces on the axles during braking. The gene...

2020/08/02

1

Збірник наукових праць. Серія: Галузеве машинобудування, будівництво