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Статті в журналах з теми "Reinforced concrete construction"

Автор: Grafiati

Опубліковано: 4 червня 2021

Оновлено: 30 липня 2024

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1

Wu, Li-Ming, Zi-Jian Wang, Yong-Zai Chang, Feng Gao, Bin Zhang, Yi Wu, and Han-Xiu Fan. "Vibration Performance of Steel Fiber Concrete Tunnel Lining by Adjacent Tunnel Blasting Construction." Applied Sciences 13, no. 7 (March 26, 2023): 4201. http://dx.doi.org/10.3390/app13074201.

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When constructing tunnels in mountainous areas, the drilling and blasting method is the most commonly used because of its economy. Ordinary reinforced concrete itself has defects such as poor crack resistance and brittleness. Therefore, when using the drilling and blasting method for ordinary reinforced concrete double-line tunnels, vibration phenomena will occur and cause cracks in the first-line tunnels, which will have adverse effects on the durability and safety of the tunnel. As a response, scholars have proposed the use of steel fiber-reinforced concrete as tunnel lining. In this paper,

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2

Lin, Yue Zhong. "On the Load of Reinforced Concrete Column by Seawater Corrosion." Advanced Materials Research 368-373 (October 2011): 975–78. http://dx.doi.org/10.4028/www.scientific.net/amr.368-373.975.

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The reinforced concrete construction of port, wharf, inshore platform etc, which expose in the bad environment, can suffer influence of the corrosion and lower its safety. Particularly with the seawater corrosion, the reinforced concrete construction will suffer to break easily and result a bigness of loss. Therefore, the construction's safe and dependable increasingly become the important problem that study by people. The paper tested the load about 15 experiment columns of reinforced concrete, which are eroded in the artificial seawater corrosion, studied the load changing of reinforced conc

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3

Gu, Chun Ping, Wei Sun, Li Ping Guo, and Qian Nan Wang. "Ultrahigh Performance Concrete: A Potential Material for Sustainable Marine Construction in View of the Service Life." Applied Mechanics and Materials 438-439 (October 2013): 108–12. http://dx.doi.org/10.4028/www.scientific.net/amm.438-439.108.

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Ultrahigh performance concretes (UHPC) are promising materials for the next generation infrastructures due to their superior mechanical properties and durability. In this paper, comparison studies were conducted to show the potential of UHPC for sustainable constructions in chloride environments in view of service life. For reinforced concrete, the service life was calculated with analytical solution of Ficks second law on diffusion. And for reinforced concrete with nonlinear initial chloride profiles and depth-dependent chloride diffusion coefficient, a numerical method based on the Crank-Nic

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4

Deaconu, O., and GC Chiţonu. "Using fibers in construction." IOP Conference Series: Materials Science and Engineering 1242, no. 1 (April 1, 2022): 012013. http://dx.doi.org/10.1088/1757-899x/1242/1/012013.

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Abstract This article is an overview about alternative solutions for reinforced concrete by using different types of fibers. The use of fiber reinforced concrete when is compared to the conventional reinforced concrete solutions. This study has taken in consideration structural performance and the total cost. The use of fibers or dispersed reinforcement also improves some of the characteristics of concrete, such as those related to: cracking, freezing, durability, erosion of ordinary or marine water, wind erosion, permeability, etc. In order to correct to a large extent, the unfavorable charac

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5

FOTIN, O. V. "Construction of Precast Reinforced Concrete." Stroitel'nye Materialy, no. 4 (2023): 32–34. http://dx.doi.org/10.31659/0585-430x-2023-812-4-32-34.

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6

Akramov, Khusnitdin, Rakhimbay Yusupov, and Jasurbek Ergashov. "Efficient technology of basalt fiber-reinforced concrete for use in monolithic construction." E3S Web of Conferences 452 (2023): 06003. http://dx.doi.org/10.1051/e3sconf/202345206003.

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The development and production of basalt fiber-reinforced concrete have been carried out on a large scale recently, driven by the efficiency of using basalt fibers as a micro-reinforcing additive in cement-based concretes. For the successful application of basalt fiber-reinforced concrete in monolithic construction, there must be an accessible and efficient technology for commonly used concrete compositions. This paper presents the results of an analysis of foreign literature sources, which conclude that new experimental research is needed to improve the compositions and technology of basalt f

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7

Kurpińska, Marzena, Beata Grzyl, and Adam Kristowski. "A Study on Fibre-Reinforced Concrete Elements Properties Based on the Case of Habitat Modules in the Underwater Sills." Polish Maritime Research 27, no. 1 (March 1, 2020): 143–51. http://dx.doi.org/10.2478/pomr-2020-0015.

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AbstractHydrotechnical constructions are mostly objects functioning in extreme conditions and requiring a custom-made construction project. In the case of using prefabricated elements, it is required to develop production, transport, assembly, conservation and repair technology. Concerning the problem of concrete cracks, modern repair systems allow positive effects to be achieved in many cases of concrete elements repair. In this work an attempt has been made to assess the properties of concrete, situated in the Baltic Sea environment, in which traditional rebar was partly replaced by disperse

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8

Vogel, Filip. "Production and Use of the Textile Reinforced Concrete." Advanced Materials Research 982 (July 2014): 59–62. http://dx.doi.org/10.4028/www.scientific.net/amr.982.59.

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This article discusses about the textile reinforced concrete. The textile reinforced concrete is a new material with great possibilities for modern construction. The textile reinforced concrete consists of cement matrix and textile reinforcement of high strength fibers. This combination of cement matrix and textile reinforcement is an innovative combination of materials for use in the construction. The main advantage of the textile reinforced concrete is a high tensile strength and ductile behavior. The textile reinforced concrete is corrosion resistant. With these mechanical properties can be

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9

Schmeckpeper, Edwin R., and Charles H. Goodspeed. "Fiber-Reinforced Plastic Grid for Reinforced Concrete Construction." Journal of Composite Materials 28, no. 14 (August 1994): 1288–304. http://dx.doi.org/10.1177/002199839402801401.

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10

Ischenko, Aleksandr, and Anastasia Borisova. "Application of fiber-reinforced concrete in high-rise construction." E3S Web of Conferences 164 (2020): 02005. http://dx.doi.org/10.1051/e3sconf/202016402005.

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In this research, we study the use of fiber-reinforced concrete, including steel fiber-reinforced concrete in the construction of outrigger floors of a high-rise building. The definition and classification of fiber-reinforced concrete as a construction material, the methodology for calculating high-rise buildings using fiber-reinforced concrete, the advantages and disadvantages of this composite material, and the specifics of its use are formulated. The domestic and foreign experience in use of fiber-reinforced concrete is analyzed. The rationale for its use on the experience of construction o

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11

Alawlaqi, Hashed. "COMPARATIVE ANALYSIS BETWEEN RC CONSTRUCTION AND LIGHTWEIGHT STEEL CONSTRUCTION." InterConf, no. 13(109) (May 20, 2022): 7–13. http://dx.doi.org/10.51582/interconf.19-20.05.2022.001.

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The construction of lightweight steel has been remarkable in multiple applications including residential, commercial and industrial buildings. Many studies focus on the advantages of building lightweight from several aspects. This article highlights a comparative study of the construction of lightweight steel and construction by reinforced concrete in technical and economic aspects such as the weight of the building, construction time and construction conditions. In this article, the construction of lightweight steel appears to be the big difference in the weight of the building compared with

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12

Makunza, John. "Application of Mangrove Timber in Reinforcing Concrete." Tanzania Journal of Engineering and Technology 42, no. 3 (September 30, 2023): 16–24. http://dx.doi.org/10.52339/tjet.v42i3.742.

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Use of mangrove timber beams for supporting floor slabs in historic buildings in Zanzibar Stone Town is still applied although the available structural data on mangrove timber is inadequate. This concern has called for an investigation on the structural properties of mangrove timber, so that the information obtained could help to establish the structural strength of the existing floor slabs in historic buildings. Hence, mangrove timber specimens were sampled from Zanzibar, and tested in the laboratory for their strengths in tension, compression and shear. The test results showed that mangrove

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13

Zhao, Dong Qi, Yi Jun Tang, Hui Li, Gui Feng Song, and Feng Ling Guan. "The Application Research of Reinforced Concrete Multi-Ribbed Hollow Composite Slab in the Road Slab Culvert." Advanced Materials Research 368-373 (October 2011): 307–11. http://dx.doi.org/10.4028/www.scientific.net/amr.368-373.307.

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Reinforced concrete cover in the road culvert cover design, in order to facilitate the construction, usually using precast reinforced concrete solid slab, but the overall cost is not low. This article researched a reinforced concrete multi-ribbed hollow composite slab, it based on the theory of reinforced concrete multi-ribbed slab structures, using a precast reinforced concrete ribbed slab as the bottom die, then poured reinforced concrete beams and panels rib ,and them constituted a whole stack of reinforced concrete ribbed hollow slab. This kind of cover, compared with the precast reinforce

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14

Pasek, Jan, and Ludek Vejvara. "Degradation of the Building Structures due to Carbonation of Concrete." Advanced Materials Research 1020 (October 2014): 37–42. http://dx.doi.org/10.4028/www.scientific.net/amr.1020.37.

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Carbonation of the concrete is a process influencing acceleration of the aging of concrete during the time, at reinforced concrete structures it is usually accompanied with corrosion of the reinforcement and disturbances of the covering layer of the concrete. Its consequence is decrease of the static reliability of the reinforced concrete building structures. Carbonation of the construction from common concrete and lightened concrete causes just in the CR damage worth billions of Czech Crowns every year. The paper refers about seriousness of the current technical state of reinforced concrete s

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15

Tran, Vu An, Le Anh Tuan Bui, Duc-Cuong Nguyen, and Hoang Anh Nguyen. "Effect of fiber type on performance of fiber reinforced concrete applied for hydraulic construction." CTU Journal of Innovation and Sustainable Development 16, Special issue: ICCEE (May 9, 2024): 51–57. http://dx.doi.org/10.22144/ctujoisd.2024.281.

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This study aims at evaluating effect of fiber types on comprehensive property of a practical fiber reinforced concrete (FRC) applied for hydraulic construction. Three fiber types including polypropylene, glass, and steel fiber were used to replace concrete volume at 0.3 vol.%. Experimental results illustrated that when compared with the reference concrete, the fiber reinforced concretes with steel or glass fiber had comparable or slight changes on the fresh properties. But, addition of polypropylene fiber induced the fresh FRC with decreased slump flow and significantly increased air entrained

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16

Sagaidak, A. I. "Technologies for acoustic emission monitoring of concrete and reinforced concrete structures." Bulletin of Science and Research Center of Construction 38, no. 3 (September 29, 2023): 62–81. http://dx.doi.org/10.37538/2224-9494-2023-3(38)-62-81.

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Introduction. The acoustic emission (AE) method is successfully used for diagnostics and monitoring in various industries including oil and gas, nuclear, aerospace as well as in welding processes and structural corrosion. However, inspection of reinforced concrete structures seldom involves the AE method. The main reason behind is the lack of regulatory documents and specific control procedures.State Standard R 59938-2021 “Concretes. Acoustic emission testing method” was issued in 2021. Over the past few years, new data on effective application of the acoustic emission method for non-destructi

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17

Frolov, Kirill E. "Experimental studies of reinforced concrete structures of hydraulic structures strengthened with composite materials." Structural Mechanics of Engineering Constructions and Buildings 15, no. 3 (December 15, 2019): 237–42. http://dx.doi.org/10.22363/1815-5235-2019-15-3-237-242.

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Relevance. During the operation process (first of all, long-term operation) of hydraulic structures, it becomes necessary to strengthen their reinforced concrete structures. In recent years, reinforcement of reinforced concrete structures has been used in industrial and civil construction by external reinforcement systems made of composite materials (for example, carbon materials). In this case, in hydraulic engineering construction there are only isolated examples of such amplification. Aims of research. Experimental studies of reinforced concrete structures of hydraulic structures strengthen

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18

Li, Zhong Long, Hong Lin Wu, Zhen Yu Liu, De Jian Xu, Hong Jiang Gu, and Xiao Di Zhu. "Ultimate Flexural Bearing Capacity Research Based on Carbon Fiber Sheet to Reinforce Rough Sleeper Beam." Applied Mechanics and Materials 226-228 (November 2012): 1766–70. http://dx.doi.org/10.4028/www.scientific.net/amm.226-228.1766.

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In this paper, it makes a preliminary study on the material of carbon fiber sheet to reinforce rough sleeper beam in order to enhance the magnitude of ultimate flexural bearing capacity. Considering the actual construction technology and environment, four reinforced concrete sleeper beams are used to experiment simulation to study the influence of carbon fiber sheet to ultimate flexural bearing capacity of reinforced concrete structures. Experiment results show that pasting two layers of carbon fiber sheet under reinforced concrete beam can have about a 25% increase in flexural bearing capacit

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19

Chyzhov, Sergey, Yekaterina Shestakova, Elbek Yakhshiyev, and Anatoliy Antonyuk. "Design principles of prestressed concrete span coponents in the process of despersed reinforcement." Proceedings of Petersburg Transport University, no. 2 (June 20, 2017): 343–53. http://dx.doi.org/10.20295/1815-588x-2017-2-343-353.

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Objective: To determine the calculating justification methods of fibre-reinforced spans and scientific evidence of the structural method of dispersed reinforced concrete constructions in drily-hot climate for high-speed mainline railroads, to reveal advantages connected with fibre application in the process of construction, to determine the ways of total costs reduction while providing qualitative reliability characteristics of spans under construction. Methods: Comparative analysis, mathematical modeling. Results: Calculating principles of fibre-reinforced elements of spans were specified. Th

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20

Khechinov, Yu E. "Disperse-reinforced concrete in hydrotechnical construction." Hydrotechnical Construction 25, no. 9 (September 1991): 575–81. http://dx.doi.org/10.1007/bf01836484.

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21

Grima López, Rosa, Antonio Aguado de Cea, and Josep Gómez Serrano. "Gaudí and Reinforced Concrete in Construction." International Journal of Architectural Heritage 7, no. 4 (January 2013): 375–402. http://dx.doi.org/10.1080/15583058.2011.632470.

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22

Alrshoudi, Fahed. "Behaviour of Textile-Reinforced Concrete Beams versus Steel-Reinforced Concrete Beams." Advances in Civil Engineering 2021 (February 19, 2021): 1–8. http://dx.doi.org/10.1155/2021/6696945.

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There has been a rising interest in utilising textile reinforcement such as carbon tows in constructing concrete components to enhance the performance of conventional reinforced concrete. Textile-reinforced concrete (TRC) has been used as a construction material mostly as primary reinforcement. However, the structural performance of TRC members has not been investigated in depth. Therefore, to better understand TRC beams’ behaviour under bending load, a widespread experimental investigation was conducted. The results of tensile stress-strain, load-deflection, moment-curvature, and tension stif

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23

Hou, Xin Ning, and Yong Sheng Zhang. "Talking about the Importance of the Construction of the Reinforced Protective Layer Control." Applied Mechanics and Materials 256-259 (December 2012): 859–62. http://dx.doi.org/10.4028/www.scientific.net/amm.256-259.859.

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Reinforced protective layer to ensure the durability of reinforced concrete structures important tectonic structures plays a vital role. Reinforced concrete reinforced the lack of a protective layer will affect the durability of the components, in serious cases, the member failure early. Meticulous construction, requires not only the structure of acceptable quality, also require durability is better. This paper tries to force mechanism of reinforced concrete together, combined with years of construction practice, to talk about the importance of control in the construction of reinforced protect

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24

Buhaievskyi, Serhii, and Iryna Nazarenko. "Application of self-compacting concrete for the construction and restoration of reinforced con-crete bridges." Bulletin of Kharkov National Automobile and Highway University 1, no. 103 (December 28, 2023): 183. http://dx.doi.org/10.30977/bul.2219-5548.2023.103.1.183.

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Problem. Nowadays, the cast reinforced concrete spans are widely used in the construction and rehabilitation of bridges. These structures are also proposed for small and medium spans by the DerzhDorNDI named after M.P. Shulgin. One of the disadvantages of the cast reinforced concrete slab spans is its heavy weight. Using polystyrene void foams allows to reduce the consumption of concrete and the own weight of the span structure to 30-45%. Self-compacting concrete belongs to the new generation of concrete and can be used in modern innovative construction including bridge designing. The manufact

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25

Setyowati, Martha. "PERKEMBANGAN PENGGUNAAN BETON BERTULANG DI INDONESIA PADA MASA KOLONIAL (1901-1942)." Berkala Arkeologi 39, no. 2 (November 5, 2019): 201–20. http://dx.doi.org/10.30883/jba.v39i2.468.

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The discovery of reinforced concrete became a major breakthrough in modern construction technology in the early 20th century. In five decades reinforced concrete has developed rapidly and was used in almost all parts of the world. Reinforced concrete was first introduced in Indonesia during the colonial period. The used of reinforced concrete increased along with the construction growth in the Dutch East Indies. The used of reinforced concrete between 1901 and 1942 can be seen from the buildings and infrastructure that still exist today. However the development of reinforced concrete in Indone

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26

Synkovska, Olena, та Andrii Ihnatenko. "PLANNING OF EXPEREMENTAL RESEARCH СYLINDRICAL LOAD-BEARING SUPPORT OF BUILDINGS". Modern technology, materials and design in construction 32, № 1 (28 червня 2022): 49–54. http://dx.doi.org/10.31649/2311-1429-2022-1-49-54.

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A new construction of cylindrical load-bearings support of buildings is offered, that has an alternative reinforced concrete and with using of several different ways of indirect use. Shell is introduced for the view of the new construction sieved sheet, that is created from non-exit technology using imbibitions and extrusion of the steel sheet itself.. For gaining the maximum amount of advantages and disadvantages from the introduced us reinforced concrete elements with mesh shell. The most efficient is method is a comprehensive research of introduced construction, as well as an already

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27

SOPILNIAK, А. М., V. V. KOLOKHOV, V. V. SHLIAKHOV, A. A. TYTIUK, and А. S. SMYRNOV. "IMPROVEMENT OF REINFORCED CONCRETE ENVELOPES FOR LOW-RISE BUILDINGS." Ukrainian Journal of Civil Engineering and Architecture, no. 2 (July 9, 2022): 92–101. http://dx.doi.org/10.30838/j.bpsacea.2312.260422.92.856.

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Problem statement. A perspective direction to ensure modern requirements for thermal protection of buildings without a significant increase in material and labor resources and, most importantly, cost is the application of multilayer reinforced concrete panels, using efficient thermal insulation. In 2012−2013, some experience in the use of modern prefabricated three-layer reinforced concrete panels in cottage construction is obtained. This experience has revealed some shortcomings of such panels using on the building site and the need to modernize their production technology. In addition, impro

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28

Zuo, Yong Zhi, Jing Bo Sun, Qiao Zhi Lu, Hai Wen Teng, Tao Zhang, and Huan Liu. "Case Fuzzy Retrieval of Reinforced Concrete Structures Accidents Based on CBR." Applied Mechanics and Materials 501-504 (January 2014): 568–73. http://dx.doi.org/10.4028/www.scientific.net/amm.501-504.568.

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In order to help engineers to better learn from accidents of reinforced concrete structures, accident identification and processing method, this article introduced the ideas of CBR to the accident case retrieval methods of reinforced concrete structures. At the same time, the fuzzy retrieval and knowledge index model of reinforced concrete structure accidents are presented. According to the approximate extent of construction conditions, the approximation of construction are determined, and similar cases with the current engineering cases then retrieved through the case of reinforced concrete s

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29

Kieslich, Hubertus, and Klaus Holschemacher. "Composite Constructions of Timber and High-Performance Concrete." Advanced Materials Research 133-134 (October 2010): 1171–76. http://dx.doi.org/10.4028/www.scientific.net/amr.133-134.1171.

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Currently Timber-Concrete Composite (TCC) Constructions are often applied for strengthening existing timber beam slabs. The load bearing capacity of the composite construction is primarily affected by the material properties of the timber beam and the concrete slab. But the type of bond between both parts is also of high importance. The concrete slab has to perform several tasks, not only in load carrying direction of the ceiling but also perpendicular to the direction of span or for stiffening the whole building. These tasks will be pointed out in this paper. Furthermore the working process (

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30

Purba, Burt K., and Aftab A. Mufti. "Investigation of the behavior of circular concrete columns reinforced with carbon fiber reinforced polymer (CFRP) jackets." Canadian Journal of Civil Engineering 26, no. 5 (October 1, 1999): 590–96. http://dx.doi.org/10.1139/l99-022.

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Recent advancements in the fields of fiber reinforced polymers (FRPs) have resulted in the development of new materials with great potential for applications in civil engineering structures, and due to extensive research over recent years, FRPs are now being considered for the design of new structures. This study describes how carbon fiber reinforced polymer jackets can be used to reinforce circular concrete columns. Fibers aligned in the circumferential direction provide axial and shear strength to the concrete, while fibers aligned in the longitudinal direction provide flexural reinforcement

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31

Davidyuk, Artem, and Igor Rumyantsev. "Quality control of high-performance concrete in high-rise construction during operation." MATEC Web of Conferences 170 (2018): 01035. http://dx.doi.org/10.1051/matecconf/201817001035.

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Анотація:

With onset of the XXI century, the demand for construction of high-rise buildings with the load-bearing framework made of high-performance cast-in-situ concrete has increased many-fold in the construction sector. Specific features of the high-performance concrete of bearing structures in the situation of real operation of high-rise buildings are continuously studied by scientists and specialists all over the world, and regulatory and methodological documents are being complemented and adjusted. High-performance concretes and structures made of them possess some specific features that should be

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32

Zhao, Jun, and Wei Wei Jia. "Random Analysis of RC Structures during Construction." Applied Mechanics and Materials 105-107 (September 2011): 981–85. http://dx.doi.org/10.4028/www.scientific.net/amm.105-107.981.

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Since accidents of reinforced concrete structure occur frequently, it is a key issue to ensure the safety and stability of structures during construction. In this paper, each construction cycle was divided into four stages using discrete time method of freezing to establish the computational model. According to random theory, with the characteristics of reinforced concrete structures during construction, a series of recurrence equation is built by stochastic finite element method during construction. Based on a random analysis of practical engineering, the random response time-varying rule of

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33

Deineko, Andrei V., Valentina A. Kurochkina, Irina Yu Yakovleva, and Aleksandr N. Starostin. "Design of reinforced concrete slabs subject to the construction joints." Vestnik MGSU, no. 9 (September 2019): 1106–20. http://dx.doi.org/10.22227/1997-0935.2019.9.1106-1120.

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Introduction. When erecting monolithic reinforced concrete floor slabs, a necessity of construction joints arises. The construction joints are the areas of structural weakening. The construction practice shows that the compliance with the correct technology of the construction joint arrangement is not a sufficient condition to ensure the strength balance of reinforced concrete floor slabs. As a result, the stress-deformation state calculated on the assumption of the concrete slab solidity deviates from the actual state. The relevance of the task is determined by the fact that the conformity of

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34

Tanveer Majid, Muhammad. "The effect of twisted polymer fibers on the physical and mechanical properties of C35 concrete." Journal of Research in Science, Engineering and Technology 7, no. 4 (September 29, 2020): 11–15. http://dx.doi.org/10.24200/jrset.vol7iss4pp11-15.

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Concrete as the most used material, is known as an integral part of construction. So far, many studies have been done in the field of improving the quality of concrete that most of them have examined change in concrete mix design; however, the use of additives and also replacing commonly used materials in concrete with new materials always has been considered. Today, different fibers, especially Forta fibers, are used. In this study, experiments on Forta fiber- reinforced concrete are described. The concrete mixing design and Forta fiber properties are also briefly described. The comparison be

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35

Y M, Dr Vijaya Kumar, and Dr Meena Y R. "Bamboo Reinforced Concrete." International Journal for Research in Applied Science and Engineering Technology 10, no. 9 (September 30, 2022): 943–47. http://dx.doi.org/10.22214/ijraset.2022.46771.

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Abstract: This study presents the evaluation of the feasibility of the use of Bamboo as reinforcement material. Here Bamboo was used as a reinforcing material. Now a day’s concrete is used as the basic materials for construction works. Concrete is good in compression but weak in tensile strength. So, steel is used as reinforcement in the concrete to achieve the tensile strength. Problems encountered with the use of steel are high in cost, corrosion, etc. The main obstacle for the application of Bamboo as a reinforcement is the lack of sufficient information about its interaction with concrete

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Rubin, Oleg D., Sergey E. Lisichkin, and Oksana V. Zyuzina. "Experimental studies of the stress-strain state of reinforced concrete structures strengthened by prestressed basalt-composite rebar." Structural Mechanics of Engineering Constructions and Buildings 17, no. 3 (October 24, 2021): 288–98. http://dx.doi.org/10.22363/1815-5235-2021-17-3-288-298.

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Relevance. In recent years, composite materials have become widespread in the construction of reinforced concrete structures for industrial, civil and transport structures. It is proposed to strengthen the reinforced concrete structures of hydraulic structures with prestressed basalt composite rebar. It took an experimental and theoretical substantiation of technical solutions to strengthen the reinforced concrete structures of hydraulic structures with prestressed basalt composite reinforcement. The aim of the work was to carry out a set of experimental and theoretical studies of the stress-s

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Bobalo, Taras, Yaroslav Blikharskyy, Rostyslav Vashkevich, and Myhailo Volynets. "Bearing capacity of RC beams reinforced with high strength rebars and steel plate." MATEC Web of Conferences 230 (2018): 02003. http://dx.doi.org/10.1051/matecconf/201823002003.

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Nowadays, reducing the material content of not only buildings and structures in general, but also individual constructions is a topical task that can be realized through the use of high-strength concrete and reinforcement, as well as with the use of external reinforcement. The concentrated location of sheet reinforcement on the external the most tense facets of steel and concrete structures increases the operating height of the cross-section, makes it possible to more effectively use the strength properties of steel in comparison with conventional reinforced concrete, and with the same bearing

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Warkade, Mr Shubham. "Study and Analysis of Steel, RCC, and Composite Structure Comparison." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 08, no. 05 (May 29, 2024): 1–5. http://dx.doi.org/10.55041/ijsrem35057.

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In India, plain concrete is a common building material, especially for medium- and low-rise buildings. Even while steel is still widely used in high-rise structures and composite construction is less frequent, it's possible that composite construction could prove more beneficial in these projects. Reinforced concrete is often used in construction projects. Steel beams are put into concrete to make reinforced concrete, an efficient composite material. The distinguishing feature of composite construction is the secure joining and bending of two load-bearing structural elements into a single piec

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Wang, Xian Dong, Chang Zhang, Zhen Huang, and Guo Wei Chen. "Impact Experimental Research on Hybrid Bamboo Fiber and Steel Fiber Reinforced Concrete." Applied Mechanics and Materials 357-360 (August 2013): 1049–52. http://dx.doi.org/10.4028/www.scientific.net/amm.357-360.1049.

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This paper studied experimentally the impact mechanical properties of bamboo fiber and hybrid steel fiber reinforced concrete. Steel fiber is already used in construction widely, but it is expensive in cost. As a kind of green building material, bamboo fiber can be used in the infrastructures together with concrete to improve the concretes mechanical properties. In order to investigate the impact mechanical properties of concrete reinforced with bamboo fiber and steel fiber, a series of concrete specimens reinforced with bamboo fiber, steel fiber or both steel fiber and bamboo fiber are invest

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Cui, Wen, and Qin Luo. "Application Study on the Steel Fiber Reinforced Concrete." Applied Mechanics and Materials 204-208 (October 2012): 3740–43. http://dx.doi.org/10.4028/www.scientific.net/amm.204-208.3740.

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Mix design of the steel fiber reinforced concrete was analyzed based on the engineering conditions. It was indicated by comparing with the strength values of steel fiber reinforced concrete (CF40) and ordinary concrete (C40) that the tensile strength of the steel fiber reinforced concrete increased about 70%, the compressive strength increased about 10%, the initial cracking strength increased about 150%.The reasonable construction technologies were used in mixing, transportation, pouring, vibrating and curing of the steel fiber reinforced concrete in order to ensure quality of the constructio

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Mohammed, Ilham Ibrahim. "Effects of Steel Springs on the Flexural Strength of Normal Concrete Beams: A Numerical and Experimental Study." Journal of Studies in Science and Engineering 3, no. 2 (December 25, 2023): 73–84. http://dx.doi.org/10.53898/josse2023326.

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In this research study, the possibility of deployment of steel spring utilization to reinforce a concrete beam is investigated and compared with steel bars; this is done to enhance the flexural strength of the structural concrete beam. For this purpose, three specimens are prepared: a plain concrete beam, a reinforced concrete beam, and a spring-reinforced concrete beam. A point bending test is dedicated to calculating the failure strength of each specimen. ABAQUS program is being used to simulate the three test specimens with the same properties as the experimental test samples to verify the

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42

Zhao, Jun. "Reliability Analysis of Reinforced Concrete Structural during Construction." Applied Mechanics and Materials 71-78 (July 2011): 310–14. http://dx.doi.org/10.4028/www.scientific.net/amm.71-78.310.

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According to random field theory, combined with the construction of the characteristics of reinforced concrete structures, based on the geometric significance of the reliability index, the optimization algorithm of the reliability was established, and the reliability calculation algorithm of reinforced concrete structural during construction is proposed based on stochastic finite element method. Based on a stochastic analysis of the practical engineering, the time-varying laws of the reinforced concrete structural reliability index during construction are concluded.

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Pei, Weichang, Daiyu Wang, Xuan Wang, and Zhenyu Wang. "Axial monotonic and cyclic compressive behavior of square GFRP tube–confined steel-reinforced concrete composite columns." Advances in Structural Engineering 24, no. 1 (July 20, 2020): 25–41. http://dx.doi.org/10.1177/1369433220934557.

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Fiber-reinforced polymer tube–confined steel fiber–reinforced concrete column is a novel composite column proposed recently, which consists of a traditional steel-reinforced concrete column and an external glass fiber–reinforced plastic tube for lateral confinement. In order to investigate the axial compression behavior of steel fiber–reinforced concrete columns, a total of 16 square specimens were fabricated and tested under axial monotonic and cyclic compressive loading. Three different configurations of inner shaped steels, including cross-shaped, box-shaped with wielding, and box-shaped wi

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Kadhim, N. J., and M. A. Al-Ramahee. "Review of retrofitting techniques of deteriorated reinforced concrete columns." IOP Conference Series: Earth and Environmental Science 1232, no. 1 (September 1, 2023): 012034. http://dx.doi.org/10.1088/1755-1315/1232/1/012034.

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Abstract To ensure sustainability, all types of building structures should be kept in accepted condition throughout their life of service. Rehabilitation has been the subject of extensive research recently because of rising spending on construction and maintenance of constructed infrastructure. The most recent methods to reinforce current reinforced concrete columns, including both conventional and cutting-edge strengthening procedures, are presented in this study. Frequently, general materials used in repairing on-service reinforced concrete columns are concrete, steel, and different kind of

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Zhang, Shao Jun. "The Construction Quality Control Measures of Reinforced Concrete Cover Research." Applied Mechanics and Materials 599-601 (August 2014): 1094–97. http://dx.doi.org/10.4028/www.scientific.net/amm.599-601.1094.

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reinforced concrete structures reinforced protective layer deviation will directly affect the mechanical properties and durability of the reinforced concrete member, in relation to the structure of the use of safety and service life. The control to the protective layer of reinforced concrete structures include the following aspects: to do a good job of double sample, reinforced the blue prints.the design, production and installation of template engineering, reinforcing steel bar colligation molding process, placed, binding of fixed steel protective layer block and the requirements on the insta

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Luchko, Y. Y., A. Ya Pentsak, and R. Ya Pelekh. "Design and calculation of the connection reinforcing bars crimping sleeves." Science and Transport Progress, no. 21 (April 25, 2008): 139–49. http://dx.doi.org/10.15802/stp2008/16300.

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The problem of connection of high-strength carbon and thermomechanically strengthened reinforcements is considered in the paper. The analysis of results of previous investigations from world practice is conducted. The construction of connection is offered and the research of the beam reinforced concrete elements reinforced by the combined reinforcement on durability, crack-durability and deformations is conducted. This research showed the expedience of such a connection and reliable working capacity of the reinforced concrete constructions reinforced by the combined reinforcement.

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47

RUBIN, O. D., S. E. LISICHKIN, and O. V. ZYUZINA. "THE INFLUENCE OF BASALT-COMPOSITE PRESTRESSED REINFORCEMENT ON THE OPERATION OF LOW-REINFORCED CONCRETE STRUCTURES WITH INTERBLOCK CONSTRUCTION JOINTS." Prirodoobustrojstvo, no. 5 (2020): 50–59. http://dx.doi.org/10.26897/1997-6011-2020-5-50-59.

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It is proposed to use prestressed basalt composite reinforcement to strengthen reinforced concrete structures of hydraulic structures. In order to substantiate technical reinforcement of reinforced concrete structures of hydraulic structures with prestressed basalt composite inforcement, experimental studies were carried out. For experimental studies, reinforced concrete beam-type structures with vertical interblock construction joints were adopted.The results of experimental studies of reinforced concrete models of beam type with interblock joints reinforced with prestressed basalt composite

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Sokolov, B. S., V. A. Titaev, and M. V. Glushkova. "Renewal of interstate standard “Concrete and reinforced concrete board stones”." Concrete and Reinforced Concrete 618, no. 4 (October 18, 2023): 12–17. http://dx.doi.org/10.37538/0005-9889-2023-4(618)-12-17.

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Introduction. For 35 years since the introduction of State Standard 6665-91, the regulatory framework for the design and production of reinforced concrete products has been significantly changed and supplemented. In this regard, an updated interstate standard for concrete and reinforced concrete side stones has been developed, taking into account changes in the regulatory literature.Aim. Familiarization of specialists in the design and production of concrete and reinforced concrete side stones with the updated State Standard 6665-91 in connection with the updating of the regulatory framework.M

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Sobczak-Piąstka, Justyna, Oksana Lytvyniak, Andrii Kramarchuk, Borys Ilnytskyy, and Yuriy Famulyak. "A Study of Sandwich Reinforced Concrete – Foamed Concrete Floor Slabs." IOP Conference Series: Materials Science and Engineering 1203, no. 3 (November 1, 2021): 032038. http://dx.doi.org/10.1088/1757-899x/1203/3/032038.

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Abstract The development of housing construction demands an application of building materials which ensure necessary functional performance of structures, have high heat-insulating properties, are environmentally friendly and their use is economically appropriate. Simultaneous ensuring of mentioned indices is possible because of complex combined joining of building materials with different physical-mechanical properties. This article presents experimental determination of useful load for sandwich reinforced concrete – foamed concrete floor slabs. Sandwich reinforced concrete – foamed concrete

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Alsadey, Salahaldein, Miftah Abdallateef, Muftah Mohamed, and Abdalrhman Milad. "Investigating Behaviour of Reinforced Concrete with Glass Fibre." Jurnal Kejuruteraan 33, no. 3 (August 30, 2021): 551–57. http://dx.doi.org/10.17576/jkukm-2021-33(3)-16.

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Concrete is the most commonly used building material. Nowadays, the world has seen the construction of engineering applications that has become difficult and complicated. Therefore, it is important to have high strength and adequate workability. Besides that, the glass fibre is highly beneficial as a construction material for reinforced concrete as it can be identified as one of the numerous compelling topics related to its benefits. This study contributes to the specification and classification of glass fibre reinforced concrete (GFRC). However, ordinary concrete has limited ductility, slight

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