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Journal articles on the topic 'Maximum permissible load'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Redchenko, Vasyl. "On determining the load capacity of highway bridges." Avtoshliakhovyk Ukrayiny 2, no. 270 (2022): 40–47. http://dx.doi.org/10.33868/0365-8392-2022-2-270-40-47.

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Information is provided on the methodological recommendations developed and adopted by Ukravtodor for determining the carrying capacity of road bridges. The main provisions of these recommendations are briefly outlined. For practical application, the carrying capacity of the bridge is defined as: – the maximum total mass of the vehicle moving in the column is permissible; – the maximum total mass of a heavy vehicle moving in a single order is permissible; – permissible maximum load on the axle of the vehicle. The initial data for determining the actual carrying capacity of the bridge are the r

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2

Rasheed, Mereen H. Fahmi, and Ayad Zeki Saber Agha. "Minimum Depth-Span Ratio of Beams in order to Control Maximum Permissible Deflection." Open Civil Engineering Journal 14, no. 1 (2020): 402–14. http://dx.doi.org/10.2174/1874149502014010402.

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Background: ACI code and other building codes and standards include the provisions for deflection control and depth-span limitations, also including the maximum permissible deflection for specified concrete and steel reinforcement strength. In this study, the effects of applied load intensity, steel reinforcement index amount as a ratio to the balancing reinforcement index (ρ/ρb), concrete strength (fc' ) and beam width on the depth-span ratio of the beam with different types (simply supported, fixed ended, propped and cantilever) were investigated. Objective: This study aimed to study the eff

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3

Matsuura, A., S. Sakuma, M. Irimajiri, and K. Hodate. "Maximum permissible load weight of a Taishuh pony at a trot1." Journal of Animal Science 91, no. 8 (2013): 3989–96. http://dx.doi.org/10.2527/jas.2012-5540.

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4

Tukhtabayev, M., and A. Madraximov. "Assessment of the impact of agricultural tractor wheels on soil compaction." IOP Conference Series: Earth and Environmental Science 1390, no. 1 (2024): 012005. http://dx.doi.org/10.1088/1755-1315/1390/1/012005.

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Abstract This article presents the results of an experimental study on the impact of leading wheel tires 15.5R38 and 16.9R38 on soil. Specifically, the study analyzed the influence of vertical load on the maximum tire pressure (MTA) and internal air pressure on soil. The variations in maximum soil pressures of 15.5R38 and 16.9R38 tires at different internal air pressures depending on corresponding loads were investigated. The characteristics of changes in permissible pressure and loading of tires on soil are graphically depicted, and the permissible standards for their use in agricultural work

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5

Baniari, Vladislav, Marián Handrik, Milan Vaško, Ján Kortiš, and L’uboš Daniel. "Determination the maximum load capacity of the welded structure of the transport carriage in operation." MATEC Web of Conferences 157 (2018): 02002. http://dx.doi.org/10.1051/matecconf/201815702002.

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The article presents a calculation procedure for determining the maximum permissible load on the welded structure of the transport carriage. During the transport carriages operation inside the production hall there was no breakage of the welding joints. The use of carriages outside the hall and with an uneven surface began to create cracks and fractures in the weld joints. The values of vertical accelerations that were generated by running on uneven surfaces were determined by experimental measurement. To avoid cracks in welded joints, the maximum permissible load value of the transport carria

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6

Matsuura, Akihiro, Sota Inoue, Mami Irimajiri, and Koichi Hodate. "Maximum permissible load for Kiso horses trotting over a short, straight course." Animal Science Journal 89, no. 1 (2017): 232–36. http://dx.doi.org/10.1111/asj.12893.

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7

Oleksij, Fomin, Lovska Alyona, Khara Maryna, Nikolaienko Iryna, Lytvynenko Andrii, and Sova Sergiy. "Adapting the load-bearing structure of a gondola car for transporting high-temperature cargoes." Eastern-European Journal of Enterprise Technologies 2, no. 7 (116) (2022): 6–13. https://doi.org/10.15587/1729-4061.2022.253770.

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This paper determines the load on the load-bearing structure of a universal gondola car during the transportation of cargo with a temperature of 700 °C in it. It has been established that the maximum equivalent stresses, in this case, significantly exceed permissible ones. The maximum temperature of the cargo, at which the strength indicators of the carrying structure of the gondola do not exceed the permissible values, is 94 °C. At the same time, the temperature of the cargo transported in the cars by rail can be much higher. In this regard, in order to use gondola cars for

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8

Vetrova, O. A. "Pilot Studies of Concrete Beams Deformability Reinforced with Composite Reinforcement." Proceedings of the Southwest State University 24, no. 1 (2020): 103–14. http://dx.doi.org/10.21869/2223-1560-2020-24-1-103-114.

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Purpose of research. Analysis is done on the basis of experimental data of loading level impact on deformability of beams with steel and composite fiberglass reinforcement at prolonged loads.Methods. Experimental studies of concrete bending elements of two series were carried out: the first is reinforced with composite fiberglass reinforcement of ASK class, the second is reinforced with steel reinforcement of А400 class. Studies of experimental samples were carried out under long-term loads. The structures were under different loads during the experiment: at design load, at 1.2 level from desi

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9

Rashid, Fayaz. "Analysis and Determination of Axle Load Spectra and Traffic Input for Pavement Design." International Journal for Research in Applied Science and Engineering Technology 9, no. 8 (2021): 2536–42. http://dx.doi.org/10.22214/ijraset.2021.3761.

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Abstract: This study examines the vehicle class distribution, hourly distribution factors, weekly distribution factors, monthly distribution factors, axle load spectra for each vehicle class, and each axle of each vehicle class for the WIM station installed on the N-55 highway to aid analysis and design of new Mechanistic-Empirical Pavement Design Guide. The maximum, minimum and permissible load limit for the different vehicle class, average gross vehicle weight (GWV) and permissible load limits also being incorporated. The directional distribution for north bound and south bound traffic were

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10

Musin, Haris G., Stanisłav V. Denisov, Ildar I. Khalilov, and Rinat H. Gafiyatov. "Assessment of recreational forests by stages of recreational digression." BIO Web of Conferences 17 (2020): 00221. http://dx.doi.org/10.1051/bioconf/20201700221.

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The paper suggests standards of maximum permissible recreational loads specified for republics and regions of the Middle Volga region, characterized by specific forest-growing conditions according to dominant rocks and age groups. The sequence of determining the stages of digression is corrected through the attendance of recreational facilities and the critical number of visitors according to the given model. Based on actual recreational accounting it is possible to model factors to adjust the recreational capacity of the forest area to critical number of visitors. The study of forest areas fo

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11

Kamruzzaman, MD, and Mohammed Benidris. "Reliability-Based Metrics to Quantify the Maximum Permissible Load Demand of Electric Vehicles." IEEE Transactions on Industry Applications 55, no. 4 (2019): 3365–75. http://dx.doi.org/10.1109/tia.2019.2914877.

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12

Karwowski, Waldemar. "Maximum Load Lifting Capacity of Males and Females in Teamwork." Proceedings of the Human Factors Society Annual Meeting 32, no. 11 (1988): 680–82. http://dx.doi.org/10.1518/107118188786762621.

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The main objective of this study was to determine the maximum permissible load lifting capacity (MLCT) of males and females working in teams of two persons. On the average, the maximum capacity of the two-people teams for infrequent lifting of compact loads from floor to the bench height of 89 [cm] was about 105 Kg for young males, and 76 Kg for young females. The ratio between the maximum capacity for a team of two males versus two females, defined as (female/male x 100) was 69.6% (S.D.=11.06%) with a range from 49.1% to 88.0%. It was proposed that when lifting in teams of two people, the maj

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13

Veljovic, Fikret, Avdo Voloder, Senad Burak, Benjamin Kulovac, and Reuf Karabeg. "The optimal design of school desks depending on the height and weight of students." Heritage and Sustainable Development 2, no. 1 (2020): 46–51. http://dx.doi.org/10.37868/hsd.v2i1.34.

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Background: The subject of this research is the creation of an optimal school bench design with the aim of determining the most favorable posture of students while sitting, taking into account the relevant ergonometric and biomechanical characteristics of the human body. For the proposed model of the school bench which allows adjusting the different slopes of its surface, the corresponding computer model of the student and the table was first created, and then biomechanical and RULA analysis was performed in order to determine the maximum load in the lumbar part. Next, for each test subject of

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14

Fomin, Oleksij, Alyona Lovska, Maryna Khara, Iryna Nikolaienko, Andrii Lytvynenko, and Sergiy Sova. "Adapting the load-bearing structure of a gondola car for transporting high-temperature cargoes." Eastern-European Journal of Enterprise Technologies 2, no. 7 (116) (2022): 6–13. http://dx.doi.org/10.15587/1729-4061.2022.253770.

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This paper determines the load on the load-bearing structure of a universal gondola car during the transportation of cargo with a temperature of 700 °C in it. It has been established that the maximum equivalent stresses, in this case, significantly exceed permissible ones. The maximum temperature of the cargo, at which the strength indicators of the carrying structure of the gondola do not exceed the permissible values, is 94 °C. At the same time, the temperature of the cargo transported in the cars by rail can be much higher. In this regard, in order to use gondola cars for the transportation

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15

Graça, Nuno, and Paulo M. S. T. de Castro. "Fatigue behaviour of a spring: a case study." MATEC Web of Conferences 349 (2021): 04009. http://dx.doi.org/10.1051/matecconf/202134904009.

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A durability design case study concerning a U spring is presented. For a given geometry of the component, the question was to predict the maximum permissible displacement per cycle whilst ensuring a service life of at least 260 kcycles. The stiffness of the spring was evaluated using the finite elements software SolidWorks. As an approximation a linear model was used in the finite elements analysis, which was also compared with an analytical treatment based on Castigliano’s theorem. Using a given safety factor, a high cycle fatigue analysis was performed assuming the use of a steel with 650 MP

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16

Yunfeng, Li, and Jia Lei. "Determination of permissible contact stress of case hardened raceway of roller slewing bearing." Science Progress 103, no. 4 (2020): 003685042098060. http://dx.doi.org/10.1177/0036850420980609.

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The permissible contact stress for the rolling bearing made of the through hardened bearing steel has been established based on experience, while there is no definite value or calculating formula of the permissible contact stress for the slewing bearings which are hardened only on the raceway surface yet. To determine the permissible contact stress of the case hardened raceway of roller slewing bearing, finite element analysis for the contact elasto-plastic characteristics between the loaded roller and the case hardened raceway was performed, and the contact plastic deformations corresponding

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17

Фомичев, Петр Александрович. "УСТАНОВЛЕНИЕ ОГРАНИЧЕНИЙ ПО МАКСИМАЛЬНЫМ СКОРОСТЯМ ДЕСАНТИРОВАНИЯ С УЧЕТОМ ДЕГРАДАЦИИ ПРОЧНОСТНЫХ ХАРАКТЕРИСТИК МАТЕРИАЛОВ КУПОЛА ПАРАШЮТА. СООБЩЕНИЕ 2. ЗАВИСИМОСТЬ МАКСИМАЛЬНЫХ СКОРОСТЕЙ ДЕСАНТИРОВАНИЯ ОТ ДЕГРАДАЦИИ ПРОЧНОСТИ". Aerospace technic and technology, № 2 (22 квітня 2019): 61–68. http://dx.doi.org/10.32620/aktt.2019.2.08.

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Part 2 is a continuation of Part 1 [1], which proposed the dependence of the maximum permissible loads on the parachute on the degradation coefficients of the power structure elements strength characteristics. The condition of equality of safety factors for elements after the long-term operation and during design was adopted. The results of calculating the speeds and loads on the parachute were compared with published experimental data. In particular, for the rescue parachute, calculations were made of the fall rate at the moment of the beginning of filling the dome and the maximum load, depen

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18

Chatterton, Steven, Edoardo Gheller, Andrea Vania, Paolo Pennacchi, and Phuoc Vinh Dang. "Investigation of PEEK Lined Pads for Tilting-Pad Journal Bearings." Machines 10, no. 2 (2022): 125. http://dx.doi.org/10.3390/machines10020125.

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Tilting-pad journal bearings are widely used in industry to support rotating shafts due to their high dynamic performance. The operating limits of these bearings are mainly represented by the maximum permissible temperature of the lined materials of the pads and by the minimum thickness of the oil-film under which mixed lubrication can occur. The current trend in bearing development sees the adoption of innovative materials in the production of the pads, that provide higher load capacity, higher temperature capability and greater fatigue resistance. In this paper, the static characteristics of

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19

Juliano, Tom, Yury Gogotsi, and Vladislav Domnich. "Effect of indentation unloading conditions on phase transformation induced events in silicon." Journal of Materials Research 18, no. 5 (2003): 1192–201. http://dx.doi.org/10.1557/jmr.2003.0164.

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More than 2500 indentations were made on a silicon wafer surface using a range of different unloading rates and maximum applied loads. The unloading curves were examined for characteristic events (pop-out, kink pop-out, elbow followed by pop-out, and elbow) that were assigned to different phase transitions within the affected material based on Raman microspectroscopy analysis of residual imprints. The effect of unloading rate and maximum applied load on the average contact pressure at the beginning of the event was found. A permissible range for each event to occur was established.

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20

Ganbayev, A., and V. Filin. "Optimal Energy Characteristics and Working Parametries of RF Switch Mode Power Amplifier Based on Controllable Current Fed Resonant Inverter." Proceedings of Telecommunication Universities 6, no. 1 (2020): 43–49. http://dx.doi.org/10.31854/1813-324x-2020-6-1-43-49.

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This article represents us the method for power losses minimizing in transistors of a radio frequency key gen-erator (power amplifying) based on the control method application with overlapping pulses. We see fully formed requirements for the optimal excitation mode, providing maximum efficiency and maximum operating frequency, taking into account the finite times of switching on and off the generator GaN transistors. The article shows the obtained analytical equations for calculating power in a load, loss of efficiency, as well as equations for estimating the maximum operating frequency of the

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21

Soloviev, S. A., and L. S. Shevcov. "PROBABILISTIC ANALYSIS OF ANCHOR (DOWEL) PULL-OUT CAPACITY IN AERATED CONCRETE." Spravochnik. Inzhenernyi zhurnal, no. 275 (2020): 25–29. http://dx.doi.org/10.14489/hb.2020.02.pp.025-029.

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Aerated concrete structures are widely used in construction as load-bearing or filler structures. The article describes the probabilistic approach to estimation of anchor (dowel) pull-out capacity. The article also presents the experimental studies of control samples from aerated concrete and diagrams “stress – strain”. The maximum permissible load values are obtained for the given batch of aerated concrete blocks based on the requirements of ensuring the specified reliability (probability of no-failure). Permissible load on the anchor (dowel) will also depend on the number of anchors in case

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22

Matsuura, A., H. Mano, M. Irimajiri, and K. Hodate. "Maximum permissible load for Yonaguni ponies (Japanese landrace horses) trotting over a short, straight course." Animal Welfare 25, no. 1 (2016): 151–56. http://dx.doi.org/10.7120/09627286.25.1.151.

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23

Patlasov, О. M., and Y. M. Fedorenko. "Permissible Values of the Dynamic Impact of the Rolling Stock on the Railway Track in the Case of Axle Load Increase." Science and Transport Progress. Bulletin of Dnipropetrovsk National University of Railway Transport, no. 3(93) (June 15, 2021): 15–23. http://dx.doi.org/10.15802/stp2021/242048.

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Purpose. The study is aimed at determining experimentally the values of the parameters characterizing the dynamic effect of rolling stock on the railway track, substantiating the maximum permissible (limiting) values. Methodology. To investigate the interaction between the track and the rolling stock, the devices to record various physical processes were installed on the experimental sections. The devices were installed in 8 sections along the outer railway line. To establish the actual state of the track, field measurements were carried out in accordance with the Program and research methodol

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24

Špes, Michal, Ľubomír Beňa, Michal Kosterec, and Michal Márton. "DETERMINING THE CURRENT CAPACITY OF TRANSMISSION LINES BASED ON AMBIENT CONDITIONS." Journal of Energy Technology 10, no. 2 (2024): 61–69. https://doi.org/10.18690/jet.10.2.61-69.2017.

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After the incorrect prediction of generation from renewable sources, overloading of transmission lines occurred, resulting in the need for subsequent construction of new transmission lines and the maximum exploitation of existing power lines. One means of achieving this is to determine the permissible current load of power lines while respecting the surrounding climatic conditions. This article deals with determining the maximum current load of the power lines for changing various surrounding factors. The calculation is performed for conductor ACSR 350/59, which is used in the transmission sys

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25

Bubela, Andrew, Oleksandr Ivanushko, Inessa Rutkovska, and Olena Usychenko. "COMPARATIVE ANALYSIS OF NORMATIVE LOADS IN THE DESIGN AND MAINTENANCE OF TRANSPORT FACILITIES." Automobile Roads and Road Construction, no. 114.1 (2023): 024–33. http://dx.doi.org/10.33744/0365-8171-2023-114.1-024-033.

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The work analyzes both domestic and international regulatory documents that regulate the maximum permissible values of geometric and mass parameters of heavy vehicles. The regulations that establish standards at the stage of design and operational maintenance of transport facilities are considered separately. The need to improve the regulatory and technical base in the direction of determining the actual loads on existing road bridges, taking into account possible defects of the surface, is justified. The new reference load model should also take into account the parameters of the existing loa

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26

Carrión González, Jorge Enrique, Antonio Martínez García, Alfredo del Castillo Serpa, Marianela del Cisne Carrión González, Rodolfo Pabel Merino Vivanco, and Kelvin Armando Alulima Carrión. "Procedure to Evaluate the Impact in Distribution Single Phase Transformers Due to Insertion of New Nonlinear Load Which Changes Daily Demand Graphs." Energies 12, no. 20 (2019): 3923. http://dx.doi.org/10.3390/en12203923.

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Power electronic development determines the introduction of nonlinear devices in electric power systems. Introduction of nonlinear devices increase current harmonics in transmission and distribution power systems. Distribution transformers and feeders increase power losses and their nominal parameters are reduced. The present work introduces a procedure to evaluate maximum permissible load in single phase distribution transformers with the introduction of a new type of nonlinear load which changes daily demand graphs.

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27

Petrov, Boris Sergeevich, and Alexander Valentinovich Galin. "Problems of transporting heavy containers by road transport in Russian Federation." Vestnik of Astrakhan State Technical University 2020, no. 1 (2020): 13–23. http://dx.doi.org/10.24143/1812-9498-2020-1-13-23.

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The article considers the problem of heavy cargo transporting as an integral part of functioning of industry in the country. The transportation of such types of cargo is regulated by the legislation related to the national transport infrastructure. There have been considered the ways of transporting heavy sea containers by road transport in the Russian Federation. Definitions of the divisible and indivisible cargo, the maximum mass of the road train have been given, the indicators of the maximum permissible mass of the vehicle and the axle load on the roads of Russia, approved by legislative a

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28

SUKHANOV, A. V., and A. V. SUKHANOV. "STRENGTH CALCULATION AND HARDNESS CHECK OF A STATICALLY DETERMINATE I-BEAM." Vestnik LSTU, no. 1 (2024): 93–100. http://dx.doi.org/10.53015/23049235_2024_93.

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This paper presents a strength calculation for a statically determinate I-beam. Diagrams of internal force factors (transverse forces and bending moments) are constructed and the number of the I-beam is selected according to the given external load and the values of the material strength characteristics. The given material characteristics are permissible normal stress, elastic modulus and permissible shear stress. The strength of a beam with a selected cross-section for shear stresses was tested. To construct the I-beam elastic line, the deflections of cross-sections with a unit interval along

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29

Liu, Yang, Haiping Zhang, Yang Deng, and Nan Jiang. "Effect of live load on simply supported bridges under a random traffic flow based on weigh-in-motion data." Advances in Structural Engineering 20, no. 5 (2016): 722–36. http://dx.doi.org/10.1177/1369433216664348.

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Weight, speed, axle space, and following distance of the vehicles are important factors that determine the live load for simply supported beam bridges. In this study, the effect of live load on simply supported bridges was investigated by considering these parameters. The parameters namely weight, speed, longitudinal following space, and vehicle occupancy ratio on different driving lanes are considered using different numerical models. Then, the random traffic flow is simulated using Monte Carlo method based on Nan-xi Yangzi River Bridge’s weigh-in-motion system data. Finite element models are

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30

Panchenko, S. V., O. V. Fomin, G. L. Vatulia, A. O. Lovska, M. V. Pavliyuchenkov, and A. V. Rybin. "The feasibility of installing sin-beams in the load-bearing structure of the open car." Reporter of the Priazovskyi State Technical University. Section: Technical sciences, no. 42 (May 27, 2021): 174–83. https://doi.org/10.31498/2225-6733.42.2021.240690.

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The scientific substantiation of SIN-beam installation into the load-bearing structure of a nonversatile filling car was carried out. The research was carried out with regard to the freight car model 12-757 produced by Krukivsky Carriage Works. Use of SIN-beams as the main bearing elements of the frame reduces its weight by 6% in comparison with the frame of the prototype car. The strength of the frame of the car with SIN-beams as load-bearing elements has been calculated. At that, the SolidWorks Simulation program complex was used, which implements the method of joined elements. Spatial isopa

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University, of Abuja, Joy Anwuri Edeh, Toba Samuel Anjorin, Shatu Wudiri Asala, Olusegun Abdulkadir Abdurazaq, and Uwem Akpan Ekwere. "ASSESSMENT OF FUNGI AND AFLATOXIN PROFILE IN AFRICAN WALNUT (Tetracarpidium conophorum MULL. [ARG]) FRUIT SNACKS SOLD IN ABUJA, NIGERIA." AFRICAN JOURNAL OF AGRICULTURE AND ALLIED SCIENCES (AJAAS) Volume 3, Issue 1 (2023): 177–83. https://doi.org/10.5281/zenodo.10823056.

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The study was carried out to determine the fungal and aflatoxin load of African walnut (Tetracarpidum conophorum (Mull, [Hutch and Dalziel]) fruits marketed in the Federal Capital Territory (FCT) Abuja, Nigeria. The fungal load assessment was carried out using standard mycological methods (Mirabile et al., 2021) while the aflatoxin load was determined with High Performance Liquid Chromatography (HPLC). A total of 144 walnuts (72 raw and 72 cooked) were collected in the FCT, Abuja for the study. Fungi identification was done based on colony appearance and microscopic and biochemical evaluation

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32

Dorokhov, A. S. "Determining the load capacity of the universal tractor of the integrated design LTI-162.5." Agricultural Engineering, no. 2 (2025): 4–12. https://doi.org/10.26897/2687-1149-2025-2-4-12.

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Currently, the Russian agricultural sector is experiencing an acute shortage in tractor power means, especially, general-purpose tractors. The production of a domestic universal tractor and the justification of its compatible machine train requires identifying the options of its coupling with implements, taking into account the attachment mounting capacity of its hydraulic systems and the bearing capacity of the running gear. The study aimed to assessthe load capacity of a general-purpose tractor of the integrated design (class 2-3 LTI-162.5) for various coupling options of agricultural machin

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33

Bogomolov, Aleksandr, Oksana Bogomolova, Vasilii Podtelkov, Andrei Bogdan, and Evgenii Liburatskov. "DEPENDENCE OF MAXIMUM PERMISSIBLE LOAD ON PHYSICAL-MECHANICAL PROPERTIES OF STAMP HOMOGENEOUS BASE IN MIXED PROBLEM." PNRPU Construction and Architecture Bulletin 8, no. 1 (2017): 115–27. http://dx.doi.org/10.15593/2224-9826/2017.1.10.

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34

MATSUURA, Akihiro, Mami IRIMAJIRI, Kunihiro MATSUZAKI, et al. "Method for estimating maximum permissible load weight for Japanese native horses using accelerometer-based gait analysis." Animal Science Journal 84, no. 1 (2012): 75–81. http://dx.doi.org/10.1111/j.1740-0929.2012.01041.x.

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35

Szultka, Seweryn, Stanislaw Czapp, Adam Tomaszewski, and Hanan Tariq. "Calculation of Maximum Permissible Load of Underground Power Cables–Numerical Approach for Systems with Stabilized Backfill." Applied Sciences 14, no. 20 (2024): 9233. http://dx.doi.org/10.3390/app14209233.

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The maximum permissible load of underground power cables (known in U.S. engineering as “ampacity”) is a function of many parameters, in particular, the thermal resistivity of the native soil. If this resistivity is relatively high, thermal/stabilized backfill is applied, i.e., another material is placed around the cables, providing favourable conditions for heat transfer to the environment. It has a positive impact on the reliability of the power supply and favours the operational durability of the cables. In design practice, however, there is a difficult task—correct determination of the ampa

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36

Melodi, A. O. "Investigation of the Normal Working Mode of the Nigerian 330-132 kV Network in View of Perspective Load Growth Forecast up to 10 years." Advanced Materials Research 18-19 (June 2007): 87–92. http://dx.doi.org/10.4028/www.scientific.net/amr.18-19.87.

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In this paper the normal regimes of the Nigerian 330-132 kV power grid at 2003-2005 year levels were analyzed. The load flow studies were also carried out at perspective load growth forecast up to 10 years based on exponential trend using a program (Newton’s method). An analysis of results shows that with existing available generation and maximum load estimate by the utility there is a deficit which will persist if generation, commensurate with load growth, is not immediately reinforced. The network lacks adequate reactive power sources to maintain permissible bus voltages and the power transf

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37

Lemeshko, P. V., Yu A. Postarnak, and S. N. Semenova. "To the Question of the Recreational Load on the Littoral Ecosystems of the Nature Monument «Salty Lake» (Veselovka settlement)." ТЕНДЕНЦИИ РАЗВИТИЯ НАУКИ И ОБРАЗОВАНИЯ 80, no. 7 (2021): 115–18. http://dx.doi.org/10.18411/trnio-12-2021-337.

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The article presents the results of the study devoted to the assessment of recreational load on littoral phytocenoses in the vicinity of the settlement of Veselovka (Temryukskiy district), confirming that the studied area is actively used for recreational purposes and is experiencing a high anthropogenic load. Violations of water and environmental legislation have been registered. It is necessary to develop a set of measures to optimize recreational environmental management, taking into account the maximum permissible levels of recreational use.

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Begdai, I. V., K. V. Kharin, L. I. Krylova, and M. D. Kolbin. "Noise pollution of the territory of multistory residential buildings in the city of Stavropol." Nauka Innovatsii Tekhnologii, no. 1 (2024): 93–118. http://dx.doi.org/10.37493/2308-4758.2024.1.5.

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The article provides measurement results and an assessment of the noise load on the territory of the «Perspektivny» and «Rossiysky» residential complexes in Stavropol. Noise measurements were carried out in the spring-summer and autumn-winter periods of 2022–2023. The measurement results are presented as average noise exposure levels. Based on the data obtained, a mathematical model of the propagation of noise from traffic flow during the deciduous and leafless period was built. To conduct a study and assess the noise load in a multistorey building on the territory of the South-Western distric

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Rybczynski, Jozef. "Acceptable Dislocation of Bearings of the Turbine Set Considering Permissible Vibration and Load of the Bearings." Key Engineering Materials 293-294 (September 2005): 433–40. http://dx.doi.org/10.4028/www.scientific.net/kem.293-294.433.

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The paper presents the procedure and the results of determination of acceptable dislocation for particular bearings of the large power turbine set. The ranges have been evaluated by numerical analysis of the turbine set model. Acceptable dislocations of the bearings were calculated in horizontal and vertical direction separately in regard to criterion of permissible bearing vibration and in regard to permissible bearing load. The results have been presented graphically in the form of areas of acceptable dislocations, which allow the comparison considering both criteria. The paper contains exem

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Сясько, A. Syasko, Гриб, et al. "Large-Scale Blasts Seismic Load on Natural and Technical Objects." Safety in Technosphere 4, no. 2 (2015): 33–39. http://dx.doi.org/10.12737/11331.

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Seismic safety of large-scale blasts is one of the most important geoecological aspects of open-cut mining. Seismic load of largescale blasts which defines integrity of industrial and residential objects is of special interest. The work represents evaluation of negative seismic impact of large-scale blasts at «Neryungrinskiy» open-cut on the natural and technical systems located in the blasting zone. The main characteristic of evaluated seismic load of explosion wave damaging natural and technical constructions is the maximal value of vectorial velocity of earth movemen

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Perov, Sergey Yu, Olga V. Burmistrova, and Alexey I. Dremin. "Working conditions for electrical personnel under using shielding equipment in the warm season of the year." Hygiene and sanitation 104, no. 4 (2025): 403–8. https://doi.org/10.47470/0016-9900-2025-104-4-403-408.

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Introduction. Near overhead power lines in occupational conditions where the power frequency electric field strength exceeds the maximum permissible limit, the staff used shielding personal protective equipment of the Ep type may have additional thermal load on the body’s functional state type during warm weather. Material and methods. Hygienic assessment of occupational conditions was in the sanitary protection zone of 330 kV, 500 kV, and 750 kV overhead power lines. In addition to power frequency, electric and magnetic fields assessment, there was studied the action of climatic conditions on

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Kravchenko, Vladimir, Lyudmila Kravchenko, and Viktor Oberemok. "On the assessment of vibroloading of vehicle drivers in agricultural production." E3S Web of Conferences 175 (2020): 05017. http://dx.doi.org/10.1051/e3sconf/202017505017.

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In order to ensure safe working conditions for drivers, strict requirements are imposed on the smooth running of agricultural vehicles. The purpose of this research was to study the vibration load on the driver’s seat when driving vehicle under agricultural conditions. Studies have revealed that the standard KamAZ-43255 car seat string system effectively damps vibrations with the frequency of more than 16 Hz, and practically does not damp vibrations below 4 Hz. It was determined that: at all speeds, the maximum values of vibration acceleration in the vertical plane are located in the second oc

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Dubrovin, L. M., A. P. Nikishechkin, and V. I. Davydenko. "Cargo Control on Handling Machinery." World of Transport and Transportation 14, no. 3 (2016): 98–105. http://dx.doi.org/10.30932/1992-3252-2016-14-3-9.

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Any weighing systems create, if it is necessary to use them, a lot of problems during transportation and handling. The paper proposes a non-contact method for evaluating maximum permissible load mass values of cargo lifted (moved) by handling machines according to the value of magnetic field strength, which is created by a DC motor. Measurements do not require complex and expensive equipment, intervention in electrical circuits and design of devices, but provide sufficient accuracy in determining load on a crane.

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Safronov, E. V., A. L. Nosko, and A. S. Guskova. "Calculation method of the load-bearing frame of a gravity roller rack for boxes." Nauchno-tekhnicheskiy vestnik Bryanskogo gosudarstvennogo universiteta 7, no. 3 (2021): 251–58. http://dx.doi.org/10.22281/2413-9920-2021-07-03-251-258.

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A method for calculating the frame of a gravity roller rack for boxes based on the disclosure of the static indeterminacy of the system using the equations of three moments is proposed. Unknown reactions from the intermediate supports that provide the overall rigidity of the structure are determined. The maximum bending moments along the length of the entire roller bar are found, and statically definable systems of intermediate supports, front and rear crossbars, and side profiles are calculated. A method for selecting cross-sections of profiles is proposed and their maximum normal bending str

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Stolyarov, Victor, Jaroslav Belozerov, Victor Talalai, Alexander Ivanov, and Mikhail Belozerov. "Calculation of the risk of destruction of the pavement by permissible stresses in monolithic layers." E3S Web of Conferences 533 (2024): 02012. http://dx.doi.org/10.1051/e3sconf/202453302012.

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The article presents a calculation of the strength of the road structure according to the allowable tensile stresses during bending in monolithic layers. The test is carried out according to the criterion of maximum tensile stresses on the sole of the layer along the load axis. The continuity of monolithic layers will not be violated if the tensile stresses during repeated bending do not exceed the permissible stresses (for the material of this layer), established taking into account fatigue phenomena. Therefore, for layers with an organic binder, the test is carried out according to the crite

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Романов, С. В. "CALCULATION OF THE MAXIMUM ALLOWABLE LOAD ON A REINFORCED CONCRETE PILE IN THE PROCESS OF DRIVING IT INTO THE SOIL." Building production, no. 73 (May 22, 2023): 40. http://dx.doi.org/10.36750/2524-2555.73.40-45.

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Due to the lack of technical standards (DSTU) in Ukraine for the technology and quality control of the installation of driven piles, the conditions for high-quality performance of pile driving are often violated, for example, the driving force exceeds the strength of the pile material. This leads to the destruction of piles, which is most characteristic of sandy soils. In the project documentation for the installation of driven piles, with rare exceptions, there are no restrictions on the value of the driving force based on the strength of the pile based on the material, mainly due to the diff

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Naing, Lin Aung, W. A. Phyo, and O. V. Tatarnikov. "Selection of the Optimal Load Bearing Wing Structure Scheme for an Unmanned Aerial Vehicle." Proceedings of Higher Educational Institutions. Маchine Building, no. 11 (728) (November 2020): 89–95. http://dx.doi.org/10.18698/0536-1044-2020-11-89-95.

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This article presents the results of optimization of the load bearing structure of the wing of an unmanned aerial vehicle. The criteria and optimization parameters were considered, respectively: the minimum wing mass, number of spars and ribs, location parameters of the spars and ribs, and thickness of the wing's load bearing elements. The maximum wing deflection was considered as a limiting factor. The calculated model took into account the change in the thickness of the spars along the direction of the wingspan, while the thickness of the skin and ribs was considered as constant. The optimal

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Mahale, Harsh N., Prof Ravindra N. Patil, Vrushali R. Bagul, and Megha L. Badade. "Bridge Load Testing as Per IRC SP 51." International Journal for Research in Applied Science and Engineering Technology 10, no. 5 (2022): 3759–68. http://dx.doi.org/10.22214/ijraset.2022.43367.

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Abstract: Bridge load testing is popular means of demonstrating bridge’s capability to carry safely design loads. It is commonly used to determine the issues which cannot be resolved by only visual inspection or analysis. This paper deals with the study of load testing of major Bridge on River of 17.20 meter span Between Pier P5 and Pier P6. Under this project bridge was loaded with vehicular loading and tested for design load. Deflection of bridge is measured by dial gauges and recorded for bridge analysis. This study consists preparation of load test on bridge for deflection load as per IRC

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Mehta, Ashok Kumar, Kesab Bhattacharya, and Dipak Ray. "Application of Support Vector Network for Power System Static Security Evaluation." International Journal of Energy Optimization and Engineering 4, no. 1 (2015): 55–67. http://dx.doi.org/10.4018/ijeoe.2015010104.

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This paper uses Support Vector Network (SVN) to examine whether the power system is secured under steady-state operating conditions. A system is considered operationally reliable if the load bus voltages do not fall below a certain limit and if the power flow through lines does not exceed the corresponding allowable values. SVN determines the minimum bus voltage and maximum ratio of line-flow to permissible line-flow. The input variables to the network are the active power of the load buses, power factor of the loads and the net generated powers of the generating buses. IEEE 14-bus system has

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Yessirkepova, A. B., and K. T. Sherov. "INVESTIGATION OF DEFLECTION OF A BAR BRIDGE WITH A SPECIAL FRAME MADE OF NON-DIMENSIONAL REINFORCEMENT SEGMENTS UNDER VARIOUS LOADS." Bulletin of Kazakh Leading Academy of Architecture and Construction 83, no. 1 (2022): 149–59. http://dx.doi.org/10.51488/1680-080x/2022.1-03.

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This article presents the results of testing a prototype of a bar jumper for deflection in the conditions of a test center and using the ABAQUS CAE computer program. The results of both tests showed the suitability of the proposed technology for manufacturing bar jumpers. The deflection value at the maximum load application of 50 kN is 1.48 mm, which does not exceed the normative permissible value of 2.2 mm.

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