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Journal articles on the topic 'Durability experimental studies'

Author: Grafiati

Published: 20 February 2023

Last updated: 31 July 2025

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1

Faur, Nicolae, Cristina Bortun, Liviu Marsavina, Anghel Cernescu, and Otilia Gombosi. "Durability Studies for Complete Dentures." Key Engineering Materials 417-418 (October 2009): 725–28. http://dx.doi.org/10.4028/www.scientific.net/kem.417-418.725.

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The complete dentures are realized by different acrylic resins and different technologies. These materials are fragile and frequently appear crack and fractures of these dentures. Also, theses materials as well as the technologies of performing these dentures are expensive. In order to avoid the ultimate failure of the complete dentures, for each case there is necessary a numerical simulation as a preliminary stage before the effective performance of the denture. In order to realize the numerical simulation of the complete denture there is necessary to know the mechanical and elastic propertie

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2

Medved, Ivan, Nina Rashkevich, Yurii Otrosh, and Vitalii Tomenko. "Analysis of Experimental Studies of Titanium Alloy." Materials Science Forum 1141 (December 20, 2024): 35–40. https://doi.org/10.4028/p-ryw4rj.

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When predicting the service life of a material, it is important to take into account its mechanical characteristics. The authors have developed a mathematical model that describes the dependence of titanium alloy durability on cyclic loads. The research tool was the "Solution Search" add-in of the Microsoft Excel spreadsheet program. Regularities and dependencies have been established, which help to improve the understanding of damage mechanisms of titanium alloys. It is proved that the temperature of preliminary plastic deformation does not influence the durability of titanium alloy PT-3V. Th

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Kavya Sree, S., B. D. V. Chandra Mohan Rao, Maganti Janardhan Yadav, and P. Swamy Naga Ratna Giri. "Experimental studies on mechanical and durability characteristics of lc3 concrete." IOP Conference Series: Materials Science and Engineering 1091, no. 1 (2021): 012075. http://dx.doi.org/10.1088/1757-899x/1091/1/012075.

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4

Jayaraman, A., Karthigashenbagam N, and V. Senthilkumar. "Experimental Studies on Corrosion and Durability Analysis in Building Materials." International Journal of ChemTech Research 11, No. 07 (2018): 202–13. http://dx.doi.org/10.20902/ijctr.2018.110724.

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Chekravarty, D. S. V. S. M. R. K., A. Mallika, P. Sravana, and Rao Srinivasa. "Durability studies of concrete added with nanosilica." i-manager's Journal on Structural Engineering 10, no. 4 (2022): 32. http://dx.doi.org/10.26634/jste.10.4.18487.

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The performance of existing materials such as concrete has been improved significantly by blending it with specific property enhancement materials especially nanomaterials like nanosilica. Utilization of nanosilica has been proved to be beneficial because of its indispensable qualities, which helps in creating concrete with improved strength and durability. In this paper, the impact of nanosilica on toughness of cement has been researched. For this purpose, 3% of ideal measurement of nanosilica has been added to solid combinations of M40, M50, M60 grades of concrete. Additionally, the admixtur

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A. Gonilha, José, João R. Correia, Fernando A. Branco, and José Sena-Cruz. "Durability of GFRP-concrete adhesively bonded connections: Experimental and numerical studies." Engineering Structures 168 (August 2018): 784–98. http://dx.doi.org/10.1016/j.engstruct.2018.05.018.

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Medved, Ivan, Halyna Tatarchenko, Mykola Biloshytskyi, and Sergey Poddubny. "The durability of cryogenic structure materials." Academic journal Industrial Machine Building Civil Engineering 1, no. 54 (2020): 34–39. https://doi.org/10.26906/znp.2020.54.2267.

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According to world statistics, the main share of destruction in engineering practice occurs precisely because of fatigue, therefore, the fatigue problem is one of the most pressing scientific and technical problems of our time, which solution requires additional complex experimental and theoretical studies. The paper presents the experimental studies results of the effect of deep cooling on low-cycle fatigue and cyclic creep of stainless structural steel 03X20N16AG6 under conditions of a pulsating cycle of an external load change with a frequency of 0.033 s-1 (2 cycles/min) in air and environm

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Murugesh, V., Dr N. Balasundaram, and Dr T. Senthil Vadivel. "Experimental Studies on Durability Studies of Concrete with Partial Replacement of Cement by Water Hyacinth Ash." International Journal of Engineering & Technology 7, no. 3.35 (2018): 22. http://dx.doi.org/10.14419/ijet.v7i3.35.29140.

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Cement is the main constituent ingredient in concrete. Now days many investigations undergone for substitute of cement due to green houses effect and global warming .Many new products like rice husk ash, egg shell powder, baggage ash, etc are used as an effluent replacement material for cement. The new and Practical material for substitute of cement is water hyacinth ash .Water hyacinth ash (WHA), is used as an effectual replacement of partial cement, and it has been proved in several characteristics of concrete. The main important parameters in concrete are strength, durability and workabilit

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9

Quan, Hong-zhu, and Hideo Kasami. "Experimental Study on Durability Improvement of Fly Ash Concrete with Durability Improving Admixture." Scientific World Journal 2014 (2014): 1–11. http://dx.doi.org/10.1155/2014/818103.

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In order to improve the durability of fly ash concrete, a series of experimental studies are carried out, where durability improving admixture is used to reduce drying shrinkage and improve freezing-thawing resistance. The effects of durability improving admixture, air content, water-binder ratio, and fly ash replacement ratio on the performance of fly ash concrete are discussed in this paper. The results show that by using durability improving admixture in nonair-entraining fly ash concrete, the compressive strength of fly ash concrete can be improved by 10%–20%, and the drying shrinkage is r

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10

Khoroshevskii, K. A., A. V. Erpalov, and I. V. Gadolina. "A COMPUTATIONAL AND EXPERIMENTAL STUDY INTO THE INFLUENCE OF STRUCTURAL DAMPING ON A STRUCTURE’S DURABILITY UNDER RANDOM LOADING." Bulletin of the South Ural State University series "Mathematics. Mechanics. Physics" 15, no. 4 (2023): 47–57. http://dx.doi.org/10.14529/mmph230406.

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Mechanical engineering products are often subjected to dynamic impact during operation. The analysis of the durability of structures functioning under random multi-frequency loading requires taking into account their dynamic parameters (natural frequencies and vibration forms, damping, etc.). This paper analyzes the influence of the damping coefficient on the durability of a structurally similar specimen using a method for the narrow-band process and the Dirlik method. A computational scheme based on a finite element model determines the stress spectral density. The study defines the range of

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11

Rumsys, Deividas, Edmundas Spudulis, Darius Bacinskas, and Gintaris Kaklauskas. "Compressive Strength and Durability Properties of Structural Lightweight Concrete with Fine Expanded Glass and/or Clay Aggregates." Materials 11, no. 12 (2018): 2434. http://dx.doi.org/10.3390/ma11122434.

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This study is focused on the experimental investigation of compressive strength and durability properties of lightweight concrete mixtures with fine expanded glass and expanded clay aggregates using different microfillers. The paper proposes the relationships between the compressive strength and density of concrete mixtures with different proportions of the lightweight aggregates mentioned above. The performed experimental studies have revealed the tendencies of possible usage of different amounts of fine lightweight aggregates and their combinations in the production of concrete mixtures depe

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12

Jagannadha Rao, K., and M. V. S. S. Sastri. "Durability Studies on High Strength Recycled Aggregate Concrete." Key Engineering Materials 708 (September 2016): 70–75. http://dx.doi.org/10.4028/www.scientific.net/kem.708.70.

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The idea of recycling concrete waste as coarse aggregates for new concrete construction is gaining importance on the international scale but the studies on durability performance of Recycled Aggregate Concrete (RAC) are limited. There is a little or no work carried out on high strength recycled aggregate concrete. This study was an attempt to investigate and compare the acid resistance of the RAC and Natural Aggregate Concrete (NAC) of grade M50. In the present experimental investigation, concrete specimens of 0% and 50% RAC were prepared, cured and immersed in H2SO4 solution at 3% concentrati

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Ji, Jie, Xiao Hui Luo, and Da Li Liu. "The Experimental Research on Durability of Sasobit Modified Asphalt." Advanced Materials Research 233-235 (May 2011): 1774–81. http://dx.doi.org/10.4028/www.scientific.net/amr.233-235.1774.

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Sasobit has been applied into asphalt successfully since 1997. From then on, a lot of studies emphasizes on how Sasobit can lower asphalt’s viscosity and reduce poison odor emission. However, the durability of asphalt containing Sasobit is ignored to research. This paper aimed to analyze Sasobit impact on the durability of asphalt. In this study, the Sasobit modified asphalt was blended using different Sasobit contents of 2%, 3%, 4% and 5% by weight of asphalt into the base asphalt (SBS modified asphalt). The Rolling Thin Film Oven test (RTFO) and Pressure Aging Vessel test (PAV) were conducte

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Iwai, Yasunori, Akihiro Hiroki, Toshiaki Yagi, Masao Tamada, and Toshihiko Yamanishi. "Experimental durability studies of electrolysis cell materials for a water detritiation system." Fusion Engineering and Design 83, no. 10-12 (2008): 1410–13. http://dx.doi.org/10.1016/j.fusengdes.2008.06.032.

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15

K C, Sachin, Amar R, and Chetan K M. "Experimental Studies on Geopolymer Concrete." ECS Transactions 107, no. 1 (2022): 19681–90. http://dx.doi.org/10.1149/10701.19681ecst.

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Concrete is the most ubiquitous and highly utilized building material on earth. Production of conventional concrete requires cement and aggregates, in which cement is an eco-detrimental element. There is a need to subside the usage of cement composites to mitigate carbon emissions. A sustainable building material which can substitute cement composite is necessary and geopolymer concrete (GPC) is one such substitute. GPC utilizes marginal materials like fly ash, Ground Granulated Blast Furnace Slag (GGBS), kaolin, etc., as the binder instead of cement. In this study, GGBS was used as a binder a

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16

Chandra, S. K. Sai, K. Hemalatha, V. Mallikarjuna Reddy, and Vandanapu Swamy Nadh. "Experimental studies on flexural action of RC beams made with hybrid rebars - A brief review." E3S Web of Conferences 391 (2023): 01194. http://dx.doi.org/10.1051/e3sconf/202339101194.

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Reinforced Steel bars used in concrete constructions are particularly susceptible to corrosion since they don't have enough corrosion resistance, which decreases durability and long-term performance. The main cause of steel bar corrosion is moisture interaction, which results in rust, which causes cracks and spalling, which affects durability and long-term performance. FRP bars, which have several benefits over steel bars such as strong resistance to corrosion, higher tensile strength than steel bars, and a 1/4th of the weight of steel bars, which decreases shipping and labor costs, are now en

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Tao, Xianghua, Tiezheng Guan, Xindong Lu, and Pu Zhang. "Experimental Studies on Shear Behavior of FRP‐UHPC Hybrid Beams." ce/papers 8, no. 2 (2025): 841–47. https://doi.org/10.1002/cepa.3173.

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AbstractSteel corrosion poses a significant challenge in infrastructure construction globally. Fiber Reinforced Polymer (FRP) offers a high‐performance solution with its lightweight, corrosion‐resistant, and high‐strength properties, making it widely used across various fields. Similarly, Ultra High Performance Concrete (UHPC) has emerged over the past 30 years as an innovative cement‐based composite with exceptional mechanical properties and durability. When compared to FRP‐concrete composites, FRP‐UHPC composites provide superior load‐bearing capacity, reduced weight, and enhanced durability

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18

Zhang, Jin Xi, Xiang Jie Kong, and Chao Wang. "Study on Freezing-and-Thawing Durability of Cement Concrete Based on Experimental Investigation of Air-Void Parameters." Advanced Materials Research 857 (December 2013): 212–21. http://dx.doi.org/10.4028/www.scientific.net/amr.857.212.

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This paper studies the freezing-and-thawing durability of cement concrete on the basis of experimental investigation of air-void parameters, which has a significant influence on the durability of concrete. More specifically, this research firstly discusses the effect of air-entraining agent types on the air-void parameters feature, and then a rapid freezing-and-thawing test is conducted to assess the durability of the concrete specimens, so as to observe the relationship between the frost resistance performance evaluation index, which is applied as durability factors in this study, and the air

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19

Katunin, Andrei, Mikhail Burnashov, Anton Tryastsin, and Alexander Edapin. "Experimental research on processing incomplete spherical surfaces of machine parts." MATEC Web of Conferences 346 (2021): 01031. http://dx.doi.org/10.1051/matecconf/202134601031.

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Improving the durability and reliability of such components as ball joints of cars is very important. The article presents experimental studies to determine surface roughness of incomplete spherical surfaces of machine parts.

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20

Hula, V. О., and B. H. Demchyna. "METHODOLOGY AND RESULTS OF THE SERIES P-2 GLASS SLABS DURABILITY TEST." Bulletin of Odessa State Academy of Civil Engineering and Architecture, no. 86 (March 31, 2022): 15–23. http://dx.doi.org/10.31650/2415-377x-2022-86-15-23.

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The paper presents the results of studies of glass plates of series P-2 for durability, which were made of float glass sheets, the methodology of experimental studies of glass plates for durability, as well as the design of the test facility. The analysis of literature sources on the subject made it possible to study the main factors of application of glass slabs as load-bearing structures. Glass is characterized by high strength, but glass structures are not widely used because of the possibility of their sudden brittle fracture and the lack of reliable calculation methods. The strength and r

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21

Bazaras, Žilvinas, Mindaugas Leonavičius, Vaidas Lukoševičius, and Laurencas Raslavičius. "Assessment of the Durability of Threaded Joints." Applied Sciences 11, no. 24 (2021): 12162. http://dx.doi.org/10.3390/app112412162.

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The article deals with the determination of the resistance to cyclic loading of the threaded joints of pressure vessels and defective elements according to the failure mechanics criteria. Theoretical and experimental studies do not provide a sufficient basis for the existing calculation methods for the cyclic strength of the threaded joints of pressure vessels. The short crack kinetics in the threaded joints, a shakedown in one of the joint elements of pressure vessels, i.e., in the bolt or stud, has not been studied sufficiently. The calculation methods designed and improved within the study

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22

Leonovich, S. N., E. E. Shalyi, D. A. Litvinovskiy, and A. V. Stepanova. "Durability of Concrete under Combined Impact Environment and Mechanical Load: Analysis of Experimental Studies." Science & Technique 21, no. 4 (2022): 269–80. http://dx.doi.org/10.21122/2227-1031-2022-21-4-269-280.

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Today, there are several methods for predicting the durability of reinforced concrete structures. In most cases, one of the dominant destruction processes is taken into account – either carbonization or chloride penetration. Experimental results and field observations show that this is an unrealistic approach. Therefore, it is necessary to develop a method for determining the durability of concrete under combined impacts, i. e. with the penetration of chlorides into it and mechanical load. The paper describes in detail an experimental method for studying the effect of mechanical load on the pe

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23

Zhou, Jing, Chao Hong Luo, and Qing Xia Gu. "Experimental Study on Durability of Fair-Faced Light Weight Aggregate Concrete." Advanced Materials Research 374-377 (October 2011): 1473–76. http://dx.doi.org/10.4028/www.scientific.net/amr.374-377.1473.

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Fair-faced light weight aggregate (FLWA) concrete is of all good performance of both LWA and fair-faced concrete. There is a fluorocarbon coating on its surface. This paper studies on how this paint influences FLWA durability.

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24

Geonea, I. D. "Finite element analysis and experimental study of strain for a vehicle rear suspension." IOP Conference Series: Materials Science and Engineering 1303, no. 1 (2024): 012024. http://dx.doi.org/10.1088/1757-899x/1303/1/012024.

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Abstract In this paper, aspects of the study of the durability of rear suspension components of a vehicle are discussed. These aspects are addressed in two ways, namely the study by CAD modelling and finite element method simulation, and secondly by experimental analysis on a durability test bench. In order to develop these research problems, an experimental stand is virtually modelled and studied by simulation using ADAMS software. Results are obtained that characterize the operation of the test bench system kinematically and dynamically. The studies are then completed by finite element analy

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25

Borrero, Edgar L. S., Visar Farhangi, Kazem Jadidi, and Moses Karakouzian. "An Experimental Study on Concrete’s Durability and Mechanical Characteristics Subjected to Different Curing Regimes." Civil Engineering Journal 7, no. 4 (2021): 676–89. http://dx.doi.org/10.28991/cej-2021-03091681.

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Considering a constant demand in construction of concrete structures to develop novel approaches for predicting the concert’s properties, a host of investigations were performed on concrete’s mechanical properties and durability under various curing regimes. However, few studies were concerned with evaluating the concrete’s durability using non-destructive concrete surface resistivity tests by applying various curing conditions. The present study compares the influence of different curing regimes on durability and compressive strength of concrete to recommend the most effective curing conditio

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M.Srihari, B.Karthick. "EXPERIMENTAL STUDY ON BEHAVIOUR OF CONCRETE USING SELF CURING AGENTS." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 5, no. 5 (2016): 443–49. https://doi.org/10.5281/zenodo.51458.

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Concrete is most widely used construction material due to its good compressive strength and durability. Depending upon the nature of work, the constituent materials; cement, fine aggregate, coarse aggregate and water are mixed in specific proportions to produce concrete. Concrete needs congenial atmosphere by providing moisture for a minimum period of 28 days for good hydration and to attain desired strength. Any laxity in curing will badly affect the strength and durability of concrete. Self-curing concrete is one of the special concretes in mitigating insufficient curing due to human neglige

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Rajendran.V.P*1, &. Jose RavindraRaj.B2. "EXPERIMENTAL STUDIES OF COMPACTING IN CONCRETE USING STEEL FIBER." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 7, no. 5 (2018): 298–305. https://doi.org/10.5281/zenodo.1247004.

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Conventional concrete tends to present a problem with regard to adequate compaction in this sections or areas of congested reinforcement, which leads to a large volume of entrapped air voids and compromises the strength and durability of the concrete. It is proposed to use of fine materials in the fresh concrete M30 grade such as fly ash (40% replacement of cement), super-plasticizer (viscocrete – 1%) and viscosity modifying agent (stabilizer 4R – 0.2%) and studied the concrete properties of self-compacting concrete. Self-compacting concrete with steel fiber compressive and flexura

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K.Tarunkumar, A. Jagadish Babu, Sumith Vangara, S. Siva Rama Krishna, Venu Malagavelli,. "Strength And Durability Properties Of Steel Fiber Reinforced Self Compacting Concrete." Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 5 (2021): 818–26. http://dx.doi.org/10.17762/turcomat.v12i5.1489.

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In this present study the durability characteristics of Steel fiber reinforced Self compacting concrete (SFRSCC) is determined for M30 and M40 grade concrete mixes. Along with durability strength and sorptivity is carried out and comparison is made with Plane self-compacting concrete (SCC) by chemical resistances, Initial Surface Absorption Test (ISAT). In the present study, the rational mix design procedure for self-compacting concrete is used. SCC mixes contains large quantity of powder (material whose parcel size is 0.125 mm) to maintain the plastic yield of the properties of fresh co

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Guo, Haoran, Zonghua Zhang, Zhiqiang Zhang, Wenfang Yang, Xue Tan, and Zilong Wu. "Simulation and Experimental Study on Aerospace Push-button Latch of Planar Four-bar Linkage." Journal of Physics: Conference Series 2477, no. 1 (2023): 012064. http://dx.doi.org/10.1088/1742-6596/2477/1/012064.

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Abstract This paper analyzes the relevant research on push-button quick-release latch, and presents the dynamic model of a typical push-button latch based on a planar four-bar linkage mechanism. ADAMS software was used to simulate the opening and closing performance of the typical push-button latch. The influence of push angle, push position, push speed and push acceleration on the actual opening force measurement of the product was analyzed, as well as the preload test method of the push-button latch, and the sensor method was recommended to measure the preload force, and tested by experiment

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S. A. Kostrytsia and B. M. Tovt. "The strain-stress state investigation of structural units of the ballast prism by type SP3-5/UA." Science and Transport Progress, no. 38 (September 25, 2011): 17–23. http://dx.doi.org/10.15802/stp2011/6800.

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In the article the results of analytical and experimental studies of the stressed-and-strained state of load-bearing elements of structure of ballast prism planner of SPZ-5/UA are presented. The analytical research is performed using the finite element method (FEM). Its results are used during realization of performance dynamic tests on durability. On the basis of analysis of the calculation and experimental data obtained the estimation of durability of construction of ballast prism planner SPZ-5/UA under the action of loads corresponding to the different operating modes is executed.

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Lokesh, Bhukya, Dr Akula Krishna Rao, Begari Vishal Kumar, and Shaik Ashraff. "Experimental Analysis on Mechanical Properties of Geopolymer Concrete." International Journal for Research in Applied Science and Engineering Technology 12, no. 4 (2024): 2394–99. http://dx.doi.org/10.22214/ijraset.2024.60375.

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Abstract: A major environmental issue is pollution in production of cement throughout the world. Large number of carbondioxide emissions are released in manufacturing of cement which leads to global warming. Geopolymer concrete (GPC) is an alternate to the cement and environmental- friendly material in construction fields because of zero emission of greenhouse gases. In this study ground granulated blast furnace slag (GGBS) and fly ash as blenders and sodium silicate & sodium hydroxide as combined alkaline activator used making of GPC. The 40% of GGBS is replaced with fly ash. In this stud

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Lin, Run-Sheng, Han-Seung Lee, Yi Han, and Xiao-Yong Wang. "Experimental studies on hydration–strength–durability of limestone-cement-calcined Hwangtoh clay ternary composite." Construction and Building Materials 269 (February 2021): 121290. http://dx.doi.org/10.1016/j.conbuildmat.2020.121290.

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Sun, Wen Bin, and Jian Lin Wang. "State-of-the-Art for Experimental Studies on the Mechanical Behavior of FRP-Confined Concrete." Advanced Materials Research 168-170 (December 2010): 1313–17. http://dx.doi.org/10.4028/www.scientific.net/amr.168-170.1313.

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Numerous experimental studies have proven that the confinement with FRP-wrap or tube encasement could enhance the strength, ductility and durability of concrete columns. The variation of each distinct experimental test result to its actual mean value is the general cause of modeling inaccuracy, and this appears to be a lack of consensus among the research community. This paper critically reviewed the current experimental studies with the emphasis on the revelation of the mechanical behavior of FRP-confined concrete and analytical study of its behavior.

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Klochko, B. H., S. O. Bychkov, V. O. Momot, A. A. Kushvid, D. V. Hrynko, and V. V. Punahin. "ENSURING THE DURABILITY OF CONCRETE IN AGGRESSIVE ENVIRONMENT." Science and Transport Progress, no. 4 (August 25, 2004): 188–91. http://dx.doi.org/10.15802/stp2004/20922.

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The article presents the results of experimental and theoretical studies, aimed at improvement of antisulphate stability of concrete in the structures, operated in conditions of a sulphate aggression. It has been shown that usage of a mathematical model of concrete anti-corrosion stability enables to calculate the ratio of anti-sulphate stability and to forecast the service time of the structures, made from reinforced concrete.

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Sarma, B. Y., and M. M. Mayuram. "Some Studies on Life Prediction of Thermal Sprayed Coatings Under Rolling Contact Conditions." Journal of Tribology 122, no. 3 (1999): 503–10. http://dx.doi.org/10.1115/1.555393.

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Design of engineering components is concerned with their strength and durability characteristics. While design for strength is influenced by the bulk material characteristics, the design for durability is dependant on the surface characteristics. Majority of the component failures are surface originated. Surface engineering could play a vital role in minimizing such failures. Thermal sprayed coatings, one of the versatile surface coating techniques, can be applied to components of machinery surfaces to avoid such failures. The present paper presents a methodology for contact stress evaluation

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Cukanov, Ivan. "Technological improvement of the durability of internal screw surfaces." Science intensive technologies in mechanical engineering 2021, no. 9 (2021): 19–25. http://dx.doi.org/10.30987/2223-4608-2021-9-19-25.

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The methods and some ways of technological improvement of the durability of internal screw surfaces are given. To increase the durability, finishing and strengthening machining with surface plastic deformation and threading with a cutter of a variable average diameter are proposed. The dependences for the specification of machining modes and the results of experimental studies of the screw surface quality parameters and wear resistance of running nuts are given.

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Harina, V. K., O. A. Ratenko, and G. B. Vardanyan. "Methodology for assessing the spherical plain bearings durability." Civil Aviation High Technologies 28, no. 2 (2025): 81–92. https://doi.org/10.26467/2079-0619-2025-28-2-81-92.

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The article presents an improved method for assessing the durability of spherical plain bearings, operating under the conditions of oscillatory motion, based on the processing of an array of experimental data obtained in laboratory conditions as well as during operation of the product. One of the options of mathematical modeling was applied, which uses regression methods to approximate the function of one variable. As an object of research, spherical plain bearings installed in aircraft (engine) control systems and operating in cyclic rocking motion are considered. Spherical bearings are plain

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Marchenko, D. D., and K. S. Matvyeyeva. "Study of the Stress-Strain State of the Surface Layer During the Strengthening Treatment of Parts." Problems of Tribology 27, no. 3/105 (2022): 82–88. http://dx.doi.org/10.31891/2079-1372-2022-105-3-82-88.

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The paper presents experimental studies and obtained statistical models of the influence of processing modes on the quality of the surface layer and cyclic durability of reinforced machine parts. It was established that the main influence on the strengthening effect, the depletion of the plasticity reserve of the metal and the formation of residual stresses are exerted by the effective gap of the cutter, the effective tension and the profile radius of the roller. The results showed that dimensional combined running-in ensures high cyclic durability of strengthened parts under conditions of mul

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Nair, Arya R., and Nirmala D. B. "Mechanical and Durability Studies about the use of Municipal Solid Waste Landfill in Concrete." Civil and Environmental Engineering Reports 34, no. 1 (2024): 1–19. http://dx.doi.org/10.59440/ceer/184030.

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The best way to keep the required format of the manuscript is to overwrite these instructions with its text. Papers should be written in English. Manuscripts s Landfilling is the most common and cheapest method of waste management practice in India. Municipal Solid Waste Landfills (MSWL) became a nuisance affecting the health, hygiene, sanitation and aesthetics of the surrounding area. Aggregates occupy almost 70% of concrete, so replacing waste materials with them could be a rewarding choice. In the current work, an experimental investigation is being carried out to test the addition of MSWL

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MURASHKIN, Gennady V., Antonina I. SNEGIREVA, Dmitry A. KRETOV, and Yury V. ZHILTSOV. "DEFINITION DURABILITY OF REINFORCED CONCRETE MATRICES FOR EXPLOSIVE STAMPING BY TENSOMETRIC METHODS." Urban construction and architecture 8, no. 4 (2018): 4–9. http://dx.doi.org/10.17673/vestnik.2018.04.1.

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In this paper experimental studies of ring-shaped reinforced concrete matrices for explosive stamping on deformation indexes under the eff ect of impulse loads are viewed. The study was carried out on sample, which was subjected to explosive loading. The results of calibration tests using the “Dynamics- 1” strain gauge complex are presented. The dependence of the tension in the matrix on the reaction of the strain gauge system is obtained. The obtained experimental data are compared with theoretical calculations. The general results of the studies obtained are given taking into account their f

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Zenfira Huseynli, Zenfira Huseynli, and Konul Aliyeva Konul Aliyeva. "INCREASING THE FLUSHING SAFETY OF THE DRILLING PROCESS AND THE PERFORMANCE OF SEALING ELEMENTS OF BLOW OUT PROTECTION EQUIPMENT." ETM - Equipment, Technologies, Materials 13, no. 01 (2023): 74–82. http://dx.doi.org/10.36962/etm13012023-74.

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The article is devoted to the study of the choice of the most effective control of technological processes for the prevention and elimination of gas, oil and water intrusions based on establishing the reliability, performance and durability of blowout control equipment. In this regard, the technical condition of the sealing elements of rams preventers, which generally meet all the requirements for the normal performance of blowout safety tasks, is of paramount importance.In order to evaluate and predict the performance and durability of the ram preventer's sealing elements, the basis for condu

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Yarcev, V. P., and O. A. Kiseleva. "Effect of Impregnation Modification on the Operational Properties of Wood Materials." Russian Journal of Building Construction and Architecture, no. 3(63) (July 12, 2024): 41–54. http://dx.doi.org/10.36622/2542-0526.2024.63.3.004.

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Statement of the problem. To identify the effect of modification on the operational properties of wood and materials based on it. Results. The results of experimental studies of operational properties and durability modified by organic materials of wood, plywood, laminate, chipboard and fiberboard are presented. The results of the study on durability are based on the provisions of the thermal fluctuation theory of strength. Conclusions. The complex of the conducted studies sufficiently demonstrates the effect of modification on the operational properties of wood and materials based on it. In t

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Gajdošová, Katarína, Róbert Sonnenschein, Stanislav Blaho, Simona Kinčeková, and Ján Pecka. "Durability of FRP Reinforcements and Long-Term Properties." Slovak Journal of Civil Engineering 28, no. 2 (2020): 50–55. http://dx.doi.org/10.2478/sjce-2020-0015.

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AbstractAlthough fiber-reinforced polymers (FRPs) have achieved increasing popularity in strengthening concrete structures and reinforcing new ones, there is to date insufficient knowledge about their long-term behavior. The long-term properties of FRPs specified in design codes lead to the low utilization capacity of these materials and are not supposed to be correct according to the actual behavior of structures reinforced with FRPs after 20 or 30 years of their use. Environmental impact reduction factors limit the mechanical properties of FRP composites in a range from 0.95 for CFRP to 0.5

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Gunasekaran, M., and T. Palanisamy. "Impact of fly ash and bagasse ash on durability performance of lightweight concrete with the experimental study." Cement Wapno Beton 27, no. 5 (2023): 355–70. http://dx.doi.org/10.32047/cwb.2022.27.5.5.

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Lightweight concrete [LWC] is rapidly reaching its full potential for a broad range of applications in the construction of concrete structures. It is tailor-made material for specific applications having beneficial properties. Therefore, the paper is devoted to the experimental analysis and study of fly ash and bagasse ash on the durability properties of lightweight concrete. Durability can be defined as the ability of the material to withstand the effects of its environment which are influencing the deterioration of concrete. The saturated water absorption and sorptivity was studied through e

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Petrov, Vladilen, Roman Mishchenko, and Dmitry Pimenov. "DURABILITY ASSESSMENT OF BENDING STRUCTURES MADE OF NONLINEAR ELASTIC MATERIAL." International Journal for Computational Civil and Structural Engineering 16, no. 4 (2020): 80–85. http://dx.doi.org/10.22337/2587-9618-2020-16-4-80-85.

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Experimental studies and field tests indicate that the effect of corrosive media leads to significant changes in the physical and mechanical characteristics of structural materials. The article proposes a mathematical model that allows predicting the negative impact of aggressive media and assessing the durability of bent structures.

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Maksimov, Sergey Yu, Valeriy Makarenko, Sergii Tkachenko, and Olena S. Panchenko. "Influence of Temperature and Long-Term Operation on Metal Durability of Pipelines of Hydrotechnical Structures." Key Engineering Materials 952 (August 18, 2023): 25–33. http://dx.doi.org/10.4028/p-bcq7bw.

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The paper considers the issue of the influence of ambient temperature and service life on the endurance of pipe steels of underground pipelines. The results of numerous experimental studies allowed us to draw the following conclusions. An analysis of the experimental data indicates that for all the studied steels, the endurance decreases with decreasing air temperature, mainly down to-20... -30 °C. This can be explained by the embrittlement of the metal, i.e. a decrease in the plastic properties of the pipeline metal structure. In addition, it can be seen from the given data that low-alloy ste

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Ramesh Babu, T. S., A. Vishal, Lakkakula Shruthi, and A. Rajesh. "An Experimental Investigation of Natural Admixture Effect on Durability Studies of High Silica Fly Ash." IOP Conference Series: Materials Science and Engineering 981 (December 5, 2020): 032055. http://dx.doi.org/10.1088/1757-899x/981/3/032055.

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Merida, Ahcene, Fattoum Kharchi, and Rabah Chaid. "Durability of High Performance Concrete in an Aggressive Environment." Key Engineering Materials 600 (March 2014): 485–94. http://dx.doi.org/10.4028/www.scientific.net/kem.600.485.

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In Algeria, locally available natural pozzolan of volcanic origin material has the potential for use in environmental friendly concrete as a partial cement replacement. This paper studies the effect of replacement level of pozzolan concrete in sulphated environment. The natural pozzolan has a marked influence on the properties of the concrete. When it is coupled to a water reducing superplasticizer by a correct adjustment of the composition, it greatly improves the concrete properties. The analysis of experimental results on pozzolan concrete at 5% content and fineness of 9565 cm2/g exposed in

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Abidov, A., O. Ismanov, and J. Turdubaeva. "Experimental Studies of the Dynamics of an Electromechanical Perforator with a Rotary Impact Mechanism." Bulletin of Science and Practice 11, no. 6 (2025): 116–21. https://doi.org/10.33619/2414-2948/115/16.

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The paper presents the results of experimental studies of the dynamics of an electromechanical perforator with a rotary impact mechanism. The aim of the study is to analyze the behavior of the device in various operating modes, as well as to assess the influence of design parameters on its efficiency and productivity.To conduct experimental research, a methodology has been developed and tasks to be solved during experimental research have been formulated. As a result of experimental research, an experimental stand was created and a methodology for conducting research on the dynamics of an elec

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Burmistrov, E., A. Burmistrova, A. Tikhomirov, and P. Bimberekov. "Evaluation of the durability of mastic deck covering based on polymer composites in the range of operating stresses and temperatures." Journal of Physics: Conference Series 2131, no. 4 (2021): 042047. http://dx.doi.org/10.1088/1742-6596/2131/4/042047.

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Abstract The urgency of anticorrosive protection issues of ship hulls, deck structures, mechanisms, etc., as one of the main problems of the naval, is noted. One of the options for its effective solution is the use of coatings based on various polymer-composite materials. The authors substantiate the need for a preliminary assessment of the reliability and durability of such coatings, taking into account high humidity and aggressiveness of the operating environment, the corrosion of the repaired surfaces, the cyclic effect of stresses and alternating temperatures, etc. Proceeding from this, us

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