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Journal articles on the topic 'Reinforced concrete'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Sahnoun, Ilhem, Zhour Guemmadi, and Belkacem Toumi. "RELATIONSHIPS BETWEEN MECHANICAL PROPERTIES (COMPRESSIVE STRENGTH) AND PHYSICAL PROPERTIES (POROSITY) AT HIGH TEMPERATURES." Architecture and Engineering 10, no. 2 (2025): 78–87. https://doi.org/10.23968/2500-0055-2025-10-2-78-87.

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Introduction: This research is a part of a broader study on the evolution of concrete properties when exposed to high temperatures. It aims to analyze the behavior of ordinary concretes at elevated temperatures, incorporating either organic or synthetic fibers in the same dosage. Metods: Three concrete compositions were formulated: plain concrete without fibers (CO1), polypropylene fiber-reinforced concrete (CFP), and chicken feather fiber-reinforced concrete (CFC1), with both fiber-reinforced types containing an identical fiber dosage of 0.9 %. The prepared specimens were subjected to a heati

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Popovych, M. M., and S. V. Kliuchnyk. "Features of the Stressed-Strain State of a Steel-Reinforced-Concrete Span Structure with Preliminary Bending of a Steel Beam." Science and Transport Progress, no. 1(97) (October 17, 2022): 80–87. http://dx.doi.org/10.15802/stp2022/265333.

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Purpose. The authors aim to determine the features of the operation of a steel-reinforced concrete span structure with beams reinforced with an I-beam, with their pre-stressing using the bending of a steel I-beam. Methodology. To manufacture a steel-reinforced concrete span structure, it was proposed to reinforce an I-beam with a camber, which is then leveled with the help of applied external loads. For practical convenience, the vertical external forces are replaced by horizontal forces that keep the metal I-beam in a deformed state and in this state it is concreted. After the concrete streng

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Alkjk, Saeed, Rafee Jabra, and Salem Alkhater. "Preparation and characterization of glass fibers – polymers (epoxy) bars (GFRP) reinforced concrete for structural applications." Selected Scientific Papers - Journal of Civil Engineering 11, no. 1 (2016): 15–22. http://dx.doi.org/10.1515/sspjce-2016-0002.

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Abstract The paper presents some of the results from a large experimental program undertaken at the Department of Civil Engineering of Damascus University. The project aims to study the ability to reinforce and strengthen the concrete by bars from Epoxy polymer reinforced with glass fibers (GFRP) and compared with reinforce concrete by steel bars in terms of mechanical properties. Five diameters of GFRP bars, and steel bars (4mm, 6mm, 8mm, 10mm, 12mm) tested on tensile strength tests. The test shown that GFRP bars need tensile strength more than steel bars. The concrete beams measuring (15cm w

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Jagtap, Siddhant Millind, Shailesh Kalidas Rathod, Rohit Umesh Jadhav, et al. "Fibre Mesh in Reinforced Slabs." International Journal for Research in Applied Science and Engineering Technology 10, no. 5 (2022): 3539–40. http://dx.doi.org/10.22214/ijraset.2022.42986.

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Abstract: Fiber Reinforced Concrete is gaining attention as an effective way to improve the performance of concrete. Fibers are currently being specified in tunneling, bridge decks, pavements, loading docks, thin unbonded overlays, concrete pads, and concretes slabs. These applications of fiber reinforced concrete are becoming increasingly popular and are exhibiting excellent performance The usefulness of fiber reinforced concrete in various civil engineering applications is indisputable. Fiber reinforced concrete has so far been successfully used in slabs on grade, architectural panels, preca

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Liu, Chuan Xiao, Zhi Hao Liu, Long Wang, Hong Ye Tian, and Xiu Li Zhang. "Index Analysis for Specimens of Reinforced Concretes with Mechanical Parameters." Advanced Materials Research 368-373 (October 2011): 33–37. http://dx.doi.org/10.4028/www.scientific.net/amr.368-373.33.

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To study mechanical characteristics of general reinforced concrete in engineering, specimens of reinforced concrete with different mass ratios and specimens of fiber reinforced concrete with different distributing modes of steel fibers or mixed modes of fiberglass are produced. Testing results from these specimens state that recommended mass ratio is 1:4.29:0.74 of cement, sand to water for reinforced concrete, and mass ratio of mixed AR fiberglass is 4‰ or distributing mode of steel fibers is vertical 5 roots evenly for fiber reinforced concretes will have excellent mechanical properties. Ana

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Ziane, Sami, Mohammed-Rissel Khelifa, and Samy Mezhoud. "A Study of the Durability of Concrete Reinforced with Hemp Fibers Exposed to External Sulfatic Attack." Civil and Environmental Engineering Reports 30, no. 2 (2020): 158–84. http://dx.doi.org/10.2478/ceer-2020-0025.

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AbstractThe purpose of this paper is to study the durability of concrete reinforced with hemp fibers in the face of external Sulfatic attack. For this purpose, five types of concrete were formulated; three types of concrete reinforced with hemp fibers (HC-0.25, HC-0.5, and HC-1) at 0.25%, 0.5%, and 1 % of hemp fibers in volume, respectively. And two control concretes, being ordinary concrete (OC) and polypropylene fiber reinforced concrete (PC). To assess the sulfatic attacks, the described concrete types underwent two aging protocols: 1) a complete immersion in 12.5 % Sodium Sulfate (Na2SO4)

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Choi, Chang Sik, and Hye Yeon Lee. "Rehabilitation of Reinforce Concrete Frames with Reinforced Concrete Infills." Key Engineering Materials 324-325 (November 2006): 635–38. http://dx.doi.org/10.4028/www.scientific.net/kem.324-325.635.

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The purpose of this study is to understand the fundamental resistance mechanism and the shear strength of the frame with the reinforced concrete infill wall by comparing analytical with experimental results. For this, one-story and one-bay four specimens were manufactured with variables; Lightly Reinforced Concrete Frame (LRCF), monolith placing Shear Wall (SW), CIP Infill Wall (CIW-1) and CIP Infill Wall reinforced with diagonal rebar (CIW-2). The addition of the RC infill wall was significantly improved the strength and the stiffness. Compared with specimen LRCF, ultimate strength and initia

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Yang, Qiao-chu, Qin Zhang, Su-su Gong, and San-ya Li. "Study on the flexure performance of fine concrete sheets reinforced with textile and short fiber composites." MATEC Web of Conferences 275 (2019): 02006. http://dx.doi.org/10.1051/matecconf/201927502006.

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In order to study the influences of the contents of short fiber on the mechanical properties of concrete matrix, the properties of compressive, flexure and splitting of concrete matrix reinforced by alkali resistant glass fiber and calcium carbonate whisker were tested. To study the reinforced effect of different scale fibers on the flexure behavior of fine concrete sheets, the flexural tests of concrete sheet of fine concrete reinforced with basalt fiber mesh and short fiber composites were carried out. The results show that the properties of the compressive, flexure and splitting of fine con

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9

Hua, Yuan, and Tai Quan Zhou. "Experimental Study of the Mechanical Properties of Hybrid Fiber Reinforced Concrete." Materials Science Forum 610-613 (January 2009): 69–75. http://dx.doi.org/10.4028/www.scientific.net/msf.610-613.69.

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Different kinds of fiber are used to reinforce the concrete to improve the concrete mechanical properties. The high modulus and high flexibility fibers are often used to reinforce in the cement base, which leads to the higher performance compound cement based materials. In the paper, the carbon fiber and glass fiber material are used as flexibility reinforced materials. The polypropylene fiber and the polyethylene fiber are used as strength reinforced materials. The combinations of the flexibility reinforced fiber and strength reinforced fiber are chosen as C-P HF (Carbon and Polypropylene Hyb

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Nguyen, Duy-Liem, Duc-Kien Thai, and Dong-Joo Kim. "Direct tension-dependent flexural behavior of ultra-high-performance fiber-reinforced concretes." Journal of Strain Analysis for Engineering Design 52, no. 2 (2017): 121–34. http://dx.doi.org/10.1177/0309324716689625.

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This research investigated the effects of direct tensile response on the flexural resistance of ultra-high-performance fiber-reinforced concretes by performing sectional analysis. The correlations between direct tensile and flexural response of ultra-high-performance fiber-reinforced concretes were investigated in detail for the development of a design code of ultra-high-performance fiber-reinforced concrete flexural members as follows: (1) the tensile resistance of ultra-high-performance fiber-reinforced concretes right after first-cracking in tension should be higher than one-third of the fi

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Khezhev, T. A., G. N. Khadzhishalapov, F. M. Shogenova, A. Kh Artabaev, and M. Kh Mashukova. "Properties of fire-retardant vermiculite-concrete composite and fine-grained concrete for two-layer reinforced cement structures." Herald of Dagestan State Technical University. Technical Sciences 49, no. 2 (2022): 165–76. http://dx.doi.org/10.21822/2073-6185-2022-49-2-165-176.

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Objective. Development of compositions of fire-retardant vermiculite-concrete composites for reinforced cement structures. Investigation of the properties of fire-retardant vermiculite-concrete composite and fine-grained concrete for two-layer reinforced cement structures.Method. Methods for increasing the fire resistance of reinforced concrete structures are considered. Research is focused on the development of fire-retardant composites using expanded vermiculite and volcanic ash. To improve the physical and mechanical properties of the fire-retardant composite, a mixture of Portland cement,

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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 (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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13

Brown, Aaron. "Reinforced Concrete." Wilmott 2016, no. 82 (2016): 8–13. http://dx.doi.org/10.1002/wilm.10480.

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Wu, Li-Ming, Zi-Jian Wang, Yong-Zai Chang, et al. "Vibration Performance of Steel Fiber Concrete Tunnel Lining by Adjacent Tunnel Blasting Construction." Applied Sciences 13, no. 7 (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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15

Nawel, Chibani, and Beroua Ahmed. "Elaboration of Self-Compacting Concrete (SCC) for Reinforcing Reinforced Concrete Beams." INTERNATIONAL JOURNAL OF MULTIDISCIPLINARY RESEARCH AND ANALYSIS 06, no. 11 (2023): 5021–28. https://doi.org/10.5281/zenodo.10279406.

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This paper presents an experimental study of the four-point simple bending behaviour of low strength reinforced concrete beams, reinforced with self-compacting concrete (SCC) with two different strength classes (30 and 40MPa) and ordinary strength concrete (30MPa).And to compare the simple bending behaviour of beams reinforced with (SCC) to that of beams reinforced with ordinary concrete, is taken as a reference control concrete. The rheological properties of the materials used were determined using the slump-flow, L-box, V-funnel and sieve stability tests. The mechanical properties of studied

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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 (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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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 (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

Travush, Vladimir, and Vasily Murashkin. "CONCRETE DEFORMATION MODEL FOR RECONSTRUCTED REINFORCED CONCRETE." International Journal for Computational Civil and Structural Engineering 18, no. 4 (2022): 132–37. http://dx.doi.org/10.22337/2587-9618-2022-18-4-132-137.

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During the reconstruction, or upon expiration of the service life, as well as after external impact, reinforced concrete structures require examination and verification calculations. Existing diagrams of concrete deformation are focused on designing new structures and are not adapted to the concretes of the reconstructed structures. Using the world experience in describing alloy deformation, the concrete deformation model based on using the Arrhenius equation is proposed in this article. A technique for creating an individual deformations model during the reconstruction is demonstrated on a sp

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19

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 (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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Aljasmi, Salah, Nur Farhayu Ariffin, and Mazlan Abu Seman. "The Research of Blast Resistant of Reinforcement Concrete Beams in Concrete Structures at Off-site Oil and Gas Plant." CONSTRUCTION 1, no. 2 (2021): 85–92. http://dx.doi.org/10.15282/construction.v1i2.6907.

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In the recent decades, blasts and gas explosions at the off-site of oil and gas plants have increased leading to destruction of important concrete structures, essential equipment and loss of human life. In response, structural engineers have come up with different ways of reinforcing beams of concrete structures using fiber reinforced polymers composite materials to produce blast resistant structures to minimize the impact of the blast loads, due to their unique and individual characteristics like high flexural and shear strength. This paper seeks to research the dynamic behavior, response and

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Ristic, Nenad, Dusan Grdic, Jelena Bijeljic, Zoran Grdic, and Gordana Toplicic-Curcic. "Properties of steel-polypropilene hybrid fibers reinforced concrete." Facta universitatis - series: Architecture and Civil Engineering 19, no. 3 (2021): 235–44. http://dx.doi.org/10.2298/fuace211202018r.

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This paper present the results of mechanical properties of hybrid reinforced concrete made by adding polypropylene and steel fibers into concrete mixture. For the testing purposes were used steel fibers with hooked ends and monofilament polypropylene fibers. The total of 5 batches of concrete were made: concrete with addition of steel fibers, polypropylene fibers and their combination in amount of 0,5 % of the concrete volume. The test results show that concretes made by adding of 0.4% steel and 0.1% polypropylene fibers have better performance compared to other concretes.

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Yun, Yeon Jun, Kyung Lim Ahn, Won Gyun Lim, and Hyun Do Yun. "Effects of Steel Fiber Volume Fraction on Compressive and Flexural Behaviors of Alkali-Activated Slag (AAS) Concrete." Applied Mechanics and Materials 525 (February 2014): 469–72. http://dx.doi.org/10.4028/www.scientific.net/amm.525.469.

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This paper describes the experimental results on compressive and flexural behavior of alkali-activated slag (AAS) concrete reinforced with hooked end steel fiber. Two different fiber volume fractions of 0.5 and 1.0% were used for AAS concrete and Ordinary Portland cement (OPC) concretes were also mixed for comparison. Test results indicated that compressive and flexural performance of AAS concretes with water-to-binder (W/B) ratio of 0.55 are equivalent to those of OPC concrete. The addition of steel fiber to AAS concrete improves more compressive and flexural performance than those of steel f

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Teng, Congyang, and Zhicheng Zhu. "Study on the Methods of Strengthening Reinforced Concrete Beams with CFRP." Highlights in Science, Engineering and Technology 75 (December 28, 2023): 297–303. http://dx.doi.org/10.54097/jh6t7190.

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After the long-term use of reinforced concrete structures, there may be structural aging and structural damage, these common engineering problems. As a result, the performance is reduced, so it is necessary to strengthen to meet the corresponding safety requirements. Carbon Fiber Reinforced Polymer (CFRP) has the advantages of lightweight, strong, high tensile strength and tensile degree. Therefore, CFRP is widely used in reinforcement. Based on CFRP reinforcement of reinforced concrete beams, this paper analyzes its reinforcement methods. The paper mainly analyzes the influence of different p

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Fu, Chao Jiang. "Numerical Simulation Procedure of RC Beam Reinforcement with FRP." Advanced Materials Research 243-249 (May 2011): 5567–70. http://dx.doi.org/10.4028/www.scientific.net/amr.243-249.5567.

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The use of fiber reinforced polymers (FRP) to reinforce reinforced concrete(RC) structure has become one of the main applications of composites in civil engineering. FRP composite is analyzed using the serial/parallel mixing theory, which deduces the composite behavior from the constitutive equations of its components. Numerical procedure of RC beam reinforceed with FRP is studied based on the finite element method. The numerical results accord with the test results. The validity of the proposed procedure is proved comparing numerical and experimental results.

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Kadian, Amarender. "Bending Concrete: Balanced, Under-Reinforced and Over-Reinforced Beam Sections." Journal of Advances and Scholarly Researches in Allied Education 15, no. 4 (2018): 29–32. http://dx.doi.org/10.29070/15/57211.

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DJAMAL, Atlaoui, Bouafia YOUCEF, and Ghouilem KAMEL. "The Effect of High Temperatures on the Compression and Flexural Characteristics of Recycled Fiber-Reinforced Concrete." Eurasia Proceedings of Science Technology Engineering and Mathematics 32 (December 30, 2024): 575–90. https://doi.org/10.55549/epstem.1607038.

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The objective of this experimental study is to examine the behavior of concrete reinforced with metallic fibers (CMF) and polypropylene fibers (CPPF) subjected to high temperatures, as well as the effect of temperature variations on their mechanical properties, by evaluating the residual mass loss as well as the residual compressive and flexural strength. Two optimal fiber contents were selected for this study: W = 0.2% in compression and W = 0.8% in flexure, while a control concrete (W=0%) of the same composition serves as a reference. The fibers are characterized by their mechanical strength

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Beppaev, Zamir U., Lydia H. Astvatsaturova, Sergei A. Kolodyazhny, Sergey A. Vernigora, and Vladislav V. Lopatinsky. "Durability characteristics of concrete and reinforced concrete with recycling (concrete) rubble." Concrete and Reinforced Concrete 625, no. 6 (2024): 27–39. https://doi.org/10.37538/0005-9889-2024-6(625)-27-39.

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Introduction. One of the most important reserves for saving material and energy resources in the construction industry is the re-involvement of recycled (concrete) crushed stone in the production sector, in particular for the production of heavy concrete of classes B7,5–B35 for general construction purposes. Solving this problem will practically ensure the implementation of the most important principle of waste-free technological processes (in the production of precast and monolithic concrete and reinforced concrete structures) and create conditions for fulfilling important social, economic an

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Orlowsky, Jeanette, Markus Beßling, and Vitalii Kryzhanovskyi. "Prospects for the Use of Textile-Reinforced Concrete in Buildings and Structures Maintenance." Buildings 13, no. 1 (2023): 189. http://dx.doi.org/10.3390/buildings13010189.

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This paper discusses the state of the art in research on the use of textile-reinforced concretes in structural maintenance. Textile-reinforced concretes can be used in structural maintenance for various purposes, including the sealing and protection of the existing building structures, as well as for the strengthening of structures. The first-mentioned aspects are explained in this paper on the basis of example applications. A special focus is placed on the maintenance of heritage-protected structures. The development, characterization, and testing of a textile-reinforced concrete system for a

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Khezhev, Tolya, Aslan Kardanov, Eldar Bolotokov, Azamat Dottuyev, and Ibrahim Mashfezh. "Fine-Grained Fibre Concrete of Run-Of-Crusher Stone Using Volcanic Ash." Materials Science Forum 1043 (August 18, 2021): 61–65. http://dx.doi.org/10.4028/www.scientific.net/msf.1043.61.

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The results of the studies on the creation of self-compacting fine-grained fiber-reinforced concrete based on run-of-crusher stone with the use of a polyfunctional additive D-5 are presented. Compositions of self-compacting fine-grained fiber-reinforced concrete with the use of basalt fiber have been developed, which significantly reduce cement consumption and improve the characteristics of fine-grained concrete mixture and concrete. Using a polyfunctional additive D-5in mixtures makes it possible to increase the strength properties of fine-grained fiber-reinforced concrete while improving the

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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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Aslani, Farhad, Yinong Liu, and Yu Wang. "Flexural and toughness properties of NiTi shape memory alloy, polypropylene and steel fibres in self-compacting concrete." Journal of Intelligent Material Systems and Structures 31, no. 1 (2019): 3–16. http://dx.doi.org/10.1177/1045389x19880613.

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Self-compacting concrete presents good workability to fill complicated forms without mechanical vibrations. This concrete is often reinforced with fibres to improve the strength and toughness. This study investigated the use of nickel -titanium (NiTi) shape memory alloy fibres in comparison with polypropylene and steel fibres in self-compacting concrete. The performances of the fresh fibre–reinforced self-compacting concrete are explored by slump flow and J-ring experiments. Meanwhile, the static and cyclic flexural tests are conducted to estimate the bending resistance strength performance, r

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Huang, Xunuo. "Seismic reinforcement analysis and measurement research of reinforced concrete frame structure." Applied and Computational Engineering 25, no. 1 (2023): 117–23. http://dx.doi.org/10.54254/2755-2721/25/20230747.

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In China, there are many reinforced concrete frame buildings that have reached the end of their design life, or have not been designed with seismic requirements in mind and need to be reinforced. In this paper, a reinforced concrete frame structure which needs to be reinforced is taken as an example. Two common reinforcement methods are used to reinforce the reinforced concrete frame structure by adding shear wall and increasing column section. BIM-GSSAP software is used to analyze maximum inter-storey drift angle and the member response under frequent earthquakes, and the whole structure of t

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Ma, Yanxuan, Xia Yu, Fei Zhao, et al. "Research Progress in Environmental Response of Fiber Concrete and Its Functional Mechanisms." Advances in Materials Science and Engineering 2022 (April 26, 2022): 1–26. http://dx.doi.org/10.1155/2022/3059507.

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Smart fiber reinforced concretes (FRC) are good in intelligent environmental response. With the smart FRC being used in buildings such as bridges and tunnels, the real-time online distributed monitoring of concrete state can be realized. It provides an excellent solution to reduce the emergencies caused by the accumulation of damages, resistance attenuation, etc. This paper analyzes smart FRC’s self-sensing and self-healing response characteristics under different environmental response fields. Furthermore, the intelligent response mechanism of smart carbon fiber reinforced concrete (CFRC), op

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Ma, Yanxuan, Xia Yu, Fei Zhao, et al. "Research Progress in Environmental Response of Fiber Concrete and Its Functional Mechanisms." Advances in Materials Science and Engineering 2022 (April 26, 2022): 1–26. http://dx.doi.org/10.1155/2022/3059507.

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Smart fiber reinforced concretes (FRC) are good in intelligent environmental response. With the smart FRC being used in buildings such as bridges and tunnels, the real-time online distributed monitoring of concrete state can be realized. It provides an excellent solution to reduce the emergencies caused by the accumulation of damages, resistance attenuation, etc. This paper analyzes smart FRC’s self-sensing and self-healing response characteristics under different environmental response fields. Furthermore, the intelligent response mechanism of smart carbon fiber reinforced concrete (CFRC), op

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Berestianskaya, Svitlana, Evgeniy Galagurya, Olena Opanasenko, Anastasiia Berestianskaya, and Ihor Bychenok. "Experimental Studies of Fiber-Reinforced Concrete Prisms Exposed to High Temperatures." Key Engineering Materials 864 (September 2020): 3–8. http://dx.doi.org/10.4028/www.scientific.net/kem.864.3.

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Fiber-reinforced concretes are varieties of composite materials. Such materials are commonly used nowadays. Concrete is fiber-reinforced using various fibrous materials, or fibers, which are evenly distributed over the volume of the concrete matrix and simultaneously provide its 3D reinforcement. Fiber-reinforced concrete has better stress-related strength characteristics than ordinary concrete. Since building structures must meet both the strength, rigidity and stability requirements, and the fire safety requirements, then for the extensive use of fiber-reinforced concrete structures, not onl

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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 (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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Shuai, Tian, and Zhang Tong. "Study on Thermal Stress of Concrete Beams with Carbon-Fiber- Reinforced Polymers at Low Temperature." Open Construction and Building Technology Journal 8, no. 1 (2014): 182–92. http://dx.doi.org/10.2174/1874836801408010182.

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Concrete beams reinforced with carbon-fiber-reinforced polymers (CFRPs) are subjected to considerable thermal stress at low temperatures. To mitigate this problem, this study conducts a series of tests on three concrete specimens at various temperatures, analyzes the change rule of thermal stress in CFRP-reinforced concrete beams, and discusses the influence of CFRPs on thermal stress in terms of the elastic modulus, thickness, thermal expansion coefficient, beam height, and concrete grade. The results show that when the temperature decreases, CFRP has an obvious restraining effect on the ther

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Abd-Al-Naser, Marwa, and Ibrahim S. I. HARBA. "Strengthening of Reinforced Concrete Beams with Textile-Reinforced Concrete." Civil and Environmental Engineering 19, no. 2 (2023): 596–609. http://dx.doi.org/10.2478/cee-2023-0054.

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Abstract Numerous problems that can occur during regular building use may necessitate the need for reinforced concrete RC members to be strengthened. An increase in live loads or structural damage is two examples. Various techniques can be used to increase load-carrying capability. Concrete reinforcement with textile-carbon fiber (TCF) is a more recent option. For almost all active forces, this strengthening procedure is appropriate. For bending, shear, torsion, or axial forces, strengthening is an option. The experimental work for this study examined the impact of textile carbon mesh in reinf

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Mastali, M., M. Mastali, Z. Abdollahnejad, M. Ghasemi Naghibdehi, and M. K. Sharbatdar. "Numerical Evaluations of Functionally Graded RC Slabs." Chinese Journal of Engineering 2014 (September 10, 2014): 1–20. http://dx.doi.org/10.1155/2014/768956.

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Nowadays, using fibrous materials is used widely in strengthening applications such as cross-section enlargement and using functionally graded reinforced concrete. Functionally graded reinforced concrete is used as multireinforced concrete layers that can be reinforced by different fiber types. The objective of this research was to address the structural benefits of functionally graded concrete materials by performing analytical simulations. In order to achieve this purpose, in the first stage of this study, three functionally graded reinforced concretes by steel and polypropylene (PP) were ex

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Fatema, Mrs Mir Sana. "Progressive Collapse of Reinforced Concrete Building." International journal of Emerging Trends in Science and Technology 03, no. 12 (2016): 4846–54. http://dx.doi.org/10.18535/ijetst/v3i12.08.

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Suhail Anwer Abhishek, Syed. "Experimental Studies on Fiber Reinforced Concrete." International Journal of Science and Research (IJSR) 12, no. 6 (2023): 2186–88. http://dx.doi.org/10.21275/sr23620174150.

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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 (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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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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Li, Bei Xing, Ai Jun Guan, and Ming Kai Zhou. "Preparation and Performances of Self-Compacting Concrete Used in the Joint Section between Steel and Concrete Box Girders of Edong Yangtze River Highway Bridge." Advanced Materials Research 168-170 (December 2010): 334–40. http://dx.doi.org/10.4028/www.scientific.net/amr.168-170.334.

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The joint section between steel and concrete box girders is the key localization of the super-long span hybrid girder cable-stayed bridge in the Edong Yangtze River, a high strength self-compacting concrete (SCC) was required to use in the joint section. This paper systematically investigated the performances of three types of C55 grade self-compacting concretes (SCCs), such as plain SCC, micro-expansion and polypropylene fiber reinforced SCC and steel fiber reinforced SCC. The results indicated that the steel fiber reinforced SCC had the best workability and mechanical properties. The flexura

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Juradin, Sandra, Lidia Karla Vranješ, Dražan Jozić, and Ivica Boko. "Post-Fire Mechanical Properties of Concrete Reinforced with Spanish Broom Fibers." Journal of Composites Science 5, no. 10 (2021): 265. http://dx.doi.org/10.3390/jcs5100265.

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In this study, we conducted an initial investigation of the post-fire mechanical properties of concrete reinforced with Spanish broom fibers. The mechanical properties were determined at room temperature, and the post-fire mechanical properties were determined at elevated temperature, so that the fire resistance of the concrete could be determined. Five mixtures were considered: three with differently treated Spanish broom fibers, a polypropylene fiber mixture, and a reference concrete mixture. The concrete and reinforced concrete samples were first dried to 100 °C, then heated to 400 °C, and

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Alzeebaree, Radhwan, Abdulkadir Çevik, Alaa Mohammedameen, Anıl Niş, and Mehmet Eren Gülşan. "Mechanical performance of FRP-confined geopolymer concrete under seawater attack." Advances in Structural Engineering 23, no. 6 (2019): 1055–73. http://dx.doi.org/10.1177/1369433219886964.

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In the study, mechanical properties and durability performance of confined/unconfined geopolymer concrete and ordinary concrete specimens were investigated under ambient and seawater environments. Some of the specimens were confined by carbon fiber and basalt fiber–reinforced polymer fabric materials with one layer and three layers under chloride and ambient environments to observe mechanical strength contribution and durability performances of these hybrid types of materials. These fiber-reinforced polymer fabric materials were also evaluated in terms of retrofit purposes especially in the ma

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Vu, Dinh Tho, and Tuan Anh Pham. "A method for calculating flexural multi-layer reinforced concrete structures." Vietnam Institute for Building Science and Technology 2023, vi.vol2 (2023): 22–33. http://dx.doi.org/10.59382/j-ibst.2023.vi.vol2-3.

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In construction practice, reinforced concrete structures are designed to meet the requirements of not only the load-bearing capacity but also the abilities of sound insulation, heat insulation, fire resistance, etc. A promising and effective solution to meet these requirements is using multi-layer reinforced concrete structures with an internal layer by low thermal conductivity concrete, and external layers by traditional concrete, high-strength concrete, or kezamzit concrete. The different physical-mechanical properties of the material layers affect the structure's performance under load. In

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Lie, T. T., and V. K. R. Kodur. "Thermal and mechanical properties of steel-fibre-reinforced concrete at elevated temperatures." Canadian Journal of Civil Engineering 23, no. 2 (1996): 511–17. http://dx.doi.org/10.1139/l96-055.

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For use in fire resistance calculations, the relevant thermal and mechanical properties of steel-fibre-reinforced concrete at elevated temperatures were determined. These properties included the thermal conductivity, specific heat, thermal expansion, and mass loss, as well as the strength and deformation properties of steel-fibre-reinforced siliceous and carbonate aggregate concretes. The thermal properties are presented in equations that express the values of these properties as a function of temperature in the temperature range between 0 °C and 1000 °C. The mechanical properties are given in

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Snytko, Valerii. "Calculation method steel reinforced concrete continuous bridge spans with two reinforced concrete slabs on the effect of concrete shrinkage." Automobile Roads and Road Construction, no. 110 (2021): 84–89. http://dx.doi.org/10.33744/0365-8171-2021-110-084-089.

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The article is considered calculation method steel reinforced concrete continuous bridge spans with two reinforced concrete slabs on the effect of concrete shrinkage. For long-term processes that must be considered when calculating the span structures of bridges, besides creep, concrete shrinkage applies. Object of study: composite steel and concrete span beam bridge with two reinforced concrete slabs. Purpose: to develop a calculation method the cross section steel reinforced concrete bridges with two reinforced concrete slabs on the effect of concrete shrinkage considering concrete creep. Co

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Shan, Liang, and Liang Zhang. "Experimental Study on Mechanical Properties of Steel and Polypropylene Fiber-Reinforced Concrete." Applied Mechanics and Materials 584-586 (July 2014): 1355–61. http://dx.doi.org/10.4028/www.scientific.net/amm.584-586.1355.

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The mechanical tests of normal concrete (NC) specimens, steel fiber reinforced concrete (SFRC) specimens and polypropylene fiber reinforced concrete (PPFRC) specimens have been carried out. Fiber-reinforced concretes containing different volume fraction and aspect ratio of steel and polypropylene fibers were compared in terms of compressive, splitting tensile, ultimate tensile properties. Test results indicate that the mechanical properties of NC can be improved by addition of steel fibers and can be enhanced with the increase of fiber content. However, polypropylene fiber may cause opposite e

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