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Journal articles on the topic 'Composite reinforced concrete Effect of temperature on Testing'

Author: Grafiati

Published: 10 December 2022

Last updated: 31 July 2025

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1

Manoj Kumar Rath. "Condition Assessment of a Reinforced Concrete Residential Building using Non-destructive Testing Methods - A Case Study." Electronic Journal of Structural Engineering 21 (November 30, 2021): 18–33. http://dx.doi.org/10.56748/ejse.21288.

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The present study deals with both experimental and numerical investigation on buckling effects of laminated composite plates subjected to varying temperature and moisture. A simple laminated plate model is developed for the buckling of composite plates subjected to adverse hygrothermal loading. A computer program based on FEM in MATLAB environment is developed to perform all necessary computations. The woven fiber Glass/Epoxy specimens were hygrothermally conditioned in a humidity cabinet where theconditions were maintained at temperatures of 300K-425K and relative humidity (RH) ranging from 0

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2

K. Ali, Ola, Amer M. Ibrahim, Abbas Hatif naji, and Ibrahim A. Ali. "Shear Connectors Behavior Under Elevated Temperature: A review." Bilad Alrafidain Journal for Engineering Science and Technology 3, no. 2 (2024): 134–53. http://dx.doi.org/10.56990/bajest/2024.030210.

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A composite member is described as a structural steel shape that has been built up or rolled and filled with concrete, covered in reinforced concrete, or structurally attached to a slab of reinforced concrete. The shear connection between the steel beam and the concrete slab is the primary component of the composite beam. In risky situations, like building fires, the performance of a composite structures and steel structures are heavily dependent on the execution of connection. Numerous kinds of shear connectors exist and being utilized in the construction engineering rendering to their use. T

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3

Protchenko, Kostiantyn. "Residual Fire Resistance Testing of Basalt- and Hybrid-FRP Reinforced Concrete Beams." Materials 15, no. 4 (2022): 1509. http://dx.doi.org/10.3390/ma15041509.

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The fire resistance of fiber-reinforced polymer reinforced concrete (FRP-RC) elements depends on the temperature performance of the original concrete member, the fire scenario, and FRP reinforcement behavior. In this study, fire resistance tests are described, along with the characteristics obtained during and after applying elevated temperatures, simulating the effects of fire. The tested beams were reinforced with basalt (BFRP) bars and with a hybrid composite of carbon fibers and basalt fibers (HFRP) bars. Fire tests were performed on full-scale beams, in which the midsections of the beams

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4

Mukhtar, Faisal M., and Olaniyi Arowojolu. "Recent developments in experimental and computational studies of hygrothermal effects on the bond between FRP and concrete." Journal of Reinforced Plastics and Composites 39, no. 11-12 (2020): 422–42. http://dx.doi.org/10.1177/0731684420912332.

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The performance of fiber reinforced polymer externally bonded to concrete is greatly influenced by the environmental conditions to which it is exposed during service. Temperature and humidity are the two common environmental factors that alter the bond behavior of externally bonded fiber reinforced polymer. This paper reviews the experimental and computational approaches used to evaluate the hygrothermal effects—that is, the effect of temperature and humidity—on the durability of the fiber reinforced polymer–concrete bond, as well as on the bond’s performance under loading conditions. Some exp

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5

Ogrodowska, Karolina, Karolina Łuszcz, and Andrzej Garbacz. "The effect of temperature on the mechanical properties of hybrid FRP bars applicable for the reinforcing of concrete structures." MATEC Web of Conferences 322 (2020): 01029. http://dx.doi.org/10.1051/matecconf/202032201029.

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One of the most common causes of the deterioration of concrete structures is the corrosion of steel reinforcement. Reinforcement made from fiber reinforced polymers (FRP) is considered to be an attractive substitution for traditional reinforcement. The most popular FRP reinforcing bars are made of glass fibers. Basalt fiber reinforced polymer (BFRP) is a relatively new material for reinforcing bars. The main drawback of BFRP bars is their low modulus of elasticity. A new type of bar made from hybrid fiber reinforced polymer (HFRP) in which a proportion of the basalt fibers are replaced with ca

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6

Li, Xiaodong, Chengdong Lu, Yifei Cui, Lichen Zhou, and Li Zheng. "Bond Behavior between High-Strength Rebar and Steel-Fiber-Reinforced Concrete under the Influence of the Fraction of Steel Fiber by Volume and High Temperature." Applied Sciences 13, no. 4 (2023): 2399. http://dx.doi.org/10.3390/app13042399.

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Steel-fiber-reinforced concrete (SFRC) is a composite material made by randomly distributing short steel fibers in normal concrete (NC). In this study, central pull-out tests of 32 specimens were performed to investigate the bond behavior between high-strength rebar and SFRC under the influence of the fraction of steel fiber by volume (Vf = 0%, 0.5%, 1.0% and 1.5%) and temperature (T = 20, 200, 400 and 600 °C). The results show that in NC specimens, splitting failure occurs below 400 °C, while split-pullout failure occurs above 600 °C. Split-pullout failure occurs in all SFRC specimens at each

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7

Alkloub, Amer, Mahmoud Dwaikat, Ahmed Ashteyat, Farouq Sammour, and Asala Jaradat. "Lateral Performance of Steel–Concrete Anchors Embedded in RC Columns Subjected to Fire Scenario." Infrastructures 10, no. 7 (2025): 173. https://doi.org/10.3390/infrastructures10070173.

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The use of both structural steel and reinforced concrete is common in civil and military infrastructure projects. Anchorage plays a crucial role in these systems, serving as the key element that connects structural components and secures attachments within complex composite structures. This research focuses on evaluating the performance of steel–concrete column connections under the combined effects of lateral loading and fire exposure. Additionally, the study investigates the use of carbon fiber-reinforced polymers (CFRP) for strengthening and repairing these connections. The research methodo

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8

Gailitis, Rihards, Andina Sprince, Tomass Kozlovksis, Leonids Pakrastins, and Viktorija Volkova. "Impact of Polypropylene, Steel, and PVA Fibre Reinforcement on Geopolymer Composite Creep and Shrinkage Deformations." Journal of Physics: Conference Series 2423, no. 1 (2023): 012030. http://dx.doi.org/10.1088/1742-6596/2423/1/012030.

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Abstract For the last 40 years, there has been increased interest in geopolymer composite development and its mechanical properties. In the last decades, there have been cases when geopolymer composites have been used for civil engineering purposes, such as buildings and infrastructure projects. The main benefit of geopolymer binder usage is that it has a smaller impact on the environment than the Portland cement binder. Emissions caused by geopolymer manufacturing are at least two times less than emissions caused by Portland cement manufacturing. As geopolymer polymerization requires elevated

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9

Jain, Amit, and Bora Gencturk. "Multiphysics and Multiscale Modeling of Coupled Transport of Chloride Ions in Concrete." Materials 14, no. 4 (2021): 885. http://dx.doi.org/10.3390/ma14040885.

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Chloride ions (Cl−)-induced corrosion is one of the main degradation mechanisms in reinforced concrete (RC) structures. In most situations, the degradation initiates with the transport of Cl− from the surface of the concrete towards the reinforcing steel. The accumulation of Cl− at the steel-concrete interface could initiate reinforcement corrosion once a threshold Cl− concentration is achieved. An accurate numerical model of the Cl− transport in concrete is required to predict the corrosion initiation in RC structures. However, existing numerical models lack a representation of the heterogeno

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10

Kanagavel, Karunya, and Vistasp M. Karbhari. "Long-Term Durability of CFRP Strips Used in Infrastructure Rehabilitation." Polymers 17, no. 13 (2025): 1886. https://doi.org/10.3390/polym17131886.

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Prefabricated unidirectional carbon fiber reinforced polymer (CFRP) composite strips are extensively used as a means of infrastructure rehabilitation through adhesive bonding to the external surface of structural concrete elements. Most data to date are from laboratory tests ranging from a few months to 1–2 years providing an insufficient dataset for prediction of long-term durability. This investigation focuses on the assessment of the response of three different prefabricated CFRP systems exposed to water, seawater, and alkaline solutions for 5 years of immersion in deionized water conducted

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11

Martynov, Gleb V., Daria E. Monastyreva, Elena A. Morina, and Aleksey I. Makarov. "Stress-strain state of fiberglass in conditions of climatic aging." Vestnik MGSU, no. 12 (December 2018): 1509–23. http://dx.doi.org/10.22227/1997-0935.2018.12.1509-1523.

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Introduction. Were investigated samples of fiberglass with the aim of its effective use in construction in the long term. Fiberglass is considered one of the most versatile and durable materials among polymer composite materials, however, and it is subject to destruction. It is known that one of the main reasons for reducing the specified characteristics and material properties is operational. At the design stage, it is necessary to determine the most reliable and economical materials used and, accordingly, be sufficiently aware of their strength and durability. Thus, in order to avoid the des

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12

Hou, Hetao, Weiqi Fu, Canxing Qiu, et al. "Effect of axial compression ratio on concrete-filled steel tube composite shear wall." Advances in Structural Engineering 22, no. 3 (2018): 656–69. http://dx.doi.org/10.1177/1369433218796407.

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This study proposes a new type of shear wall, namely, the concrete-filled steel tube composite shear wall, for high performance seismic force resisting structures. In order to study the seismic behavior of concrete-filled steel tube composite shear wall, cyclic loading tests were conducted on three full-scale specimens. One conventional reinforced concrete shear wall was included in the testing program for comparison purpose. Regarding the seismic performance of the shear walls, the failure mode, deformation capacity, bearing capacity, ductility, hysteretic characteristics, and energy dissipat

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13

GÜNDAY, Furkan. "Investigation of temperature effects in RC-Steel composite industrial building model with FEM." Journal of Scientific Reports-A, no. 055 (December 31, 2023): 104–15. http://dx.doi.org/10.59313/jsr-a.1354388.

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Today, composite structure design has become very popular. The most important goal in composite structure design is to create the most efficient structural system under load by using materials that respond positively to different cross-section effects. Industrial type buildings, on the other hand, consist of very wide openings. In addition, industrial buildings are required to be designed to be constructed quickly and simply. For all these reasons, there has been an increase in the construction of industrial buildings in the form of reinforced concrete-steel composite structures. The effect of

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14

Torre, Roberto, Carlo Giovanni Ferro, Lorenzo Bono, and Aidan Cowley. "Regolith-Rich PEEK Composite Bricks: Steps Towards Space-Ready Lunar Construction Materials." Applied Sciences 15, no. 2 (2025): 679. https://doi.org/10.3390/app15020679.

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This study introduces a novel composite construction material composed of lunar regolith combined with PEEK in dry powder form. The work demonstrates significant advantages over alternative methods, primarily by reducing production power consumption and simplifying the manufacturing process. Building on previous research that explored binder optimization through process simplification and targeting predefined shapes, this work delves deeper into a comparative analysis of high-performance thermoplastics. Among the various options, PEEK demonstrates the most favorable properties. The study inves

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15

Harbi, Nibras Abbas, and Amer F. Izzet. "Performance of Post-Fire Composite Prestressed Concrete Beam Topped with Reinforced Concrete Flange." Civil Engineering Journal 4, no. 7 (2018): 1595. http://dx.doi.org/10.28991/cej-0309198.

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The performance of composite prestressed concrete beam topped with reinforced concrete flange structures in fire depends upon several factors, including the change in properties of the two different materials due to fire exposure and temperature distribution within the composition of the composite members of the structure. The present experimental work included casting of 12 identical simply supported prestressed concrete beams grouped into 3 categories, depending on the strength of the top reinforced concrete deck slab (20, 30, and 40 MPa). They were connected together by using shear connecto

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16

Lumingkewas, Riana Herlina, Akhmad Herman Yuwono, Sigit Pranowo Hadiwardoyo, and Dani Saparudin. "The Compressive Strength of Coconut Fibers Reinforced Nano Concrete Composite." Materials Science Forum 943 (January 2019): 105–10. http://dx.doi.org/10.4028/www.scientific.net/msf.943.105.

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The compressive strength of the concrete reviewed in this study uses nanosilica and coconut fibers. The addition of coconut fibers to concrete contributes to the construction of sustainable and environmentally friendly building materials. The testing method carried out physically and mechanically. Testing the compressive strength of the nanoconcrete composite with variations in the amount of nanosilica which substituted with cement. Using variations of nanosilica composition, namely 0%, 0.5%, 1%, 1.5%, and 2% added with coconut fiber to determine the effect of compressive strength from nanocon

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17

Xin, Jianda, Siqing Lin, Nannan Shi, Jianshu Ouyang, and Dahai Huang. "Effect of Reinforcement on Early-Age Concrete Temperature Stress: Preliminary Experimental Investigation and Analytical Simulation." Advances in Materials Science and Engineering 2015 (2015): 1–9. http://dx.doi.org/10.1155/2015/231973.

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For concrete under short-term loading, effect of reinforcement on concrete crack resistance capability is usually negligible; however, recent research results show that extension of this viewpoint to concrete under long-term loading (temperature variation) may be unsuitable. In order to investigate this phenomenon, this paper presents the experimental and analytical results of early-age reinforced concrete temperature stress development under uniaxial restraint. The experiments were carried out on a temperature stress testing machine (TSTM). Experimental results show that the coupling of reinf

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18

Koňáková, Dana, and Eva Vejmelková. "Reinforced Cement Composites – Effect of Hybrid Fibres on Selected Properties." Materials Science Forum 824 (July 2015): 179–83. http://dx.doi.org/10.4028/www.scientific.net/msf.824.179.

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In this article selected properties of a glass and polypropylene fibre reinforced cement composite materials are studied. They are determined either after preceding thermal treatment or during thermal loading. Basic physical properties (in concrete terms bulk density, matrix density and open porosity), mechanical properties (in concrete terms tensile strength and bending strength) are determined after subjecting the specimens to the pre-heating temperatures of 600°C, 800°C and 1000°C. The linear thermal expansion coefficient is measured directly as functions of temperature up to 1000°C. The cr

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19

Zhang, Hao, Ruixin Wang, Lei Chen, and Jun Chuai. "Full-Scale Testing and Stability Analysis of Prefabricated Steel Plate-Concrete Composite Walls in Underground Granaries." Buildings 15, no. 4 (2025): 561. https://doi.org/10.3390/buildings15040561.

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Underground granaries naturally preserve grain quality by maintaining low temperatures and reduced oxygen levels, eliminating the need for artificial cooling and pest control. However, cast-in-place reinforced concrete construction faces challenges such as waterproofing and complex on-site processes, necessitating prefabricated steel plate-concrete composite structures with robust joints for enhanced structural integrity and streamlined construction. The study utilizes a full-scale prefabricated steel plate-concrete underground silo, instrumented with strain gauges on circumferential steel bar

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20

Zhang, Li Na, Ci De Peng, and Ting Shu. "Study on Performance of Fiber Reinforced Concrete Composite Beam Structure." Key Engineering Materials 723 (December 2016): 720–24. http://dx.doi.org/10.4028/www.scientific.net/kem.723.720.

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FRP (fiber reinforced polymer material) having a high specific strength and specific modulus, good corrosion resistance and other advantages. FRP materials in civil engineering industry has been more and more popular, and gradually become a hot issue in the world. In order to take full advantage of a variety of materials and overcome the problems in the FRP structure, this paper mainly studies the composite structure of FRP and traditional materials, namely FRP-concrete composite beam structure. The mechanical parameters of FRP (mainly including CFRP and GFRP) were selected. And the stress -st

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21

Caldová, Eva, František Wald, and Anna Kuklíková. "Fire Test of Timber-fibre Concrete Composite Floor." Journal of Structural Fire Engineering 6, no. 2 (2015): 147–54. http://dx.doi.org/10.1260/2040-2317.6.2.147.

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The subject of this paper is a description of experimental programme of timber-fibre concrete floor in fire. Furnace test was performed on one full-size floor specimen at the Fire testing laboratory PAVUS. Floor specimen was 4, 5 m long and 3 m wide, consisting of 60 mm fibre concrete topping on plywood formwork, connected to GL beams. It was subjected the standard fire for over 150 min. The membrane effect of the floor was progressively activated and the fire performance of timber-fibre concrete floor was better comparing to traditional design method. The project is a part of the experimental

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22

Nekora, Valeriia, Stanislav Sidnei, Taras Shnal, Olga Nekora, Iryna Dankevych, and Serhii Pozdieiev. "Determination of features of composite steel and concrete slab behavior under fire condition." Eastern-European Journal of Enterprise Technologies 6, no. 7 (114) (2021): 59–67. http://dx.doi.org/10.15587/1729-4061.2021.246805.

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Methods for calculating the fire resistance of steel-reinforced concrete slabs made using profiled steel sheets under the influence of a standard temperature regime for more than 120 minutes are considered and analyzed. Research has been carried out to determine the heating parameters and the stress-strain state of steel-reinforced concrete slabs made using profiled steel sheets under fire conditions for more than 120 minutes. The results of this study allow to obtain indicators of temperature distribution for assessing the fire resistance of such structures for fire resistance classes above R

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23

Valeriia, Nekora, Sidnei Stanislav, Shnal Taras, Nekora Olga, Dankevych Iryna, and Pozdieiev Serhii. "Determination of features of composite steel and concrete slab behavior under fire condition." Eastern-European Journal of Enterprise Technologies 6, no. 7 (114) (2021): 59–67. https://doi.org/10.15587/1729-4061.2021.246805.

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Methods for calculating the fire resistance of steel-reinforced concrete slabs made using profiled steel sheets under the influence of a standard temperature regime for more than 120 minutes are considered and analyzed. Research has been carried out to determine the heating parameters and the stress-strain state of steel-reinforced concrete slabs made using profiled steel sheets under fire conditions for more than 120 minutes. The results of this study allow to obtain indicators of temperature distribution for assessing the fire resistance of such structures for fire resistance class

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24

Nugroho, Bintoro Siswo, Yoga Pebrianto, Irfana Diah Faryuni, and Asifa Asri. "Effects of Silica Nanoparticle Addition on Physical and Mechanical properties of Sugar Palm Fibers Reinforced Cement Composite Concrete." International Journal of Engineering and Applied Science Research 1, no. 1 (2020): 24. http://dx.doi.org/10.26418/ijeasr.v1i1.42087.

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This study examines the effect of nanosilica addition to the physical and mechanical properties of sugar palm fibers (SPFs) reinforced cement composite concrete. The composite concrete ingredients are SPFs as the filler, cement and nano-silica as the matrix, CaCl2 as the catalyst, and water. Testing and fabrication of the composite concrete were performed according to the standard of ASTM C 1185 and ASTM C 1186. The results obtained show that, in general, the addition of nanosilica improves the quality of the composite concrete. A positive effect is attained by adding nanosilica to its optimum

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25

Hosseini Mehrab, Alireza, Seyedmahdi Amirfakhrian, and M. Reza Esfahani. "Fracture characteristics of various concrete composites containing polypropylene fibers through five fracture mechanics methods." Materials Testing 65, no. 1 (2023): 10–32. http://dx.doi.org/10.1515/mt-2022-0210.

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Abstract This paper investigates and compares the experimental results of fracture characteristics in various polypropylene fiber-reinforced concretes (high strength concrete, lightweight concrete, and engineered cementitious composite) on 90 three-point bend (notched and un-notched) beams. Five widely used fracture mechanics testing methods, such as work of fracture method, stress-displacement curve method, size effect method, J integral method, and ASTM E399, were used to investigate the fracture behavior. Results have demonstrated that fracture energy and fracture toughness improved as the

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26

Lumingkewas, Riana Herlina, Sigit Pranowo Hadiwardoyo, Abrar Husen, and Saepudin. "The Effect of Nano Cement on the Compressive Strength of Coconut Fibers Reinforced Concrete Composite." Key Engineering Materials 831 (February 2020): 110–14. http://dx.doi.org/10.4028/www.scientific.net/kem.831.110.

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The development of nanotechnology continues to grow. The use of nanocement in concrete is expected to reduce the number of pores and improve hydration in concrete and provide more strength to the concrete. The use of natural fibers, in this case, coconut fiber can prevent cracks in concrete and make fiber concrete more ductile than ordinary concrete. The effect of using nanocement on coconut fiber concrete on the strength of the concrete to be studied. Methodology to complete the research objectives, use nanocement used in concrete, which has added coconut fiber. Tests reviewed the value of sl

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27

P, Gnanamoorthy, Butti Venkatesh, D. Rajesh, Vittel Rao, Ram Subbiah, and Aanchal Dhawan. "Effect of Aramid Fiber reinforced polymer and Carbon Fiber reinforced polymer Wrappings on the Mechanical Properties of M30 Concrete." E3S Web of Conferences 588 (2024): 03023. http://dx.doi.org/10.1051/e3sconf/202458803023.

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Fiber-reinforced polymer is an advanced composite material composed of fibers and resin. It is a cost-effective and efficient material for repairing both existing and new structures. Additionally, these composite materials exhibit exceptional mechanical properties, including strength, Impact resistance, stiffness, load-bearing capacity and flexibility. This experimental research aims to investigate the behaviour of AFRP and CFRP materials wrapped in different layers when subjected to mechanical and non- destructive testing. Concrete confirming to the M30 grade is used for this experimental stu

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Jin, Sheng Ji, Zi Xin Liu, Zhong Liang Li, and Yan Ling Wang. "Research on Applied of CBF Composite Material in Engineering." Advanced Materials Research 838-841 (November 2013): 137–41. http://dx.doi.org/10.4028/www.scientific.net/amr.838-841.137.

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Based on the consequences of abundant relevant literatures, this essay expounded the latest mechanical properties research results of the concrete reinforced with CBF and its application on building structure reinforcement studied by the domestic and foreign scholars. Research suggests that the new composite material of concrete reinforced with CBF has many excellent engineering application characteristics such as good crack resistance, durability, permeability resistance, high temperature resistance and fire retardancy. CBF is a kind of good reinforcement materials with so many advantages inc

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29

Lehmann, Marek, and Wiesława Głodkowska. "Shear Capacity and Behaviour of Bending Reinforced Concrete Beams Made of Steel Fibre-Reinforced Waste Sand Concrete." Materials 14, no. 11 (2021): 2996. http://dx.doi.org/10.3390/ma14112996.

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Inthis paper, we report the results of our research on reinforced concrete beams made of fine aggregate fibre composite, with the addition of steel fibres at 1.2% of the composite volume. The fine aggregate fibre composite is a novel construction material, in which the aggregate used is a post-production waste. Twenty reinforced concrete beams with varying degree of shear reinforcement, in the form of stirrups with and without the addition of steel fibres, tested under loading. The shear capacity results of reinforced concrete beams made of the fine aggregate fibre composite being bent by a tr

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30

Onyshchenko, Artur, Vitalii Kovalchuk, Dmytro Husev, et al. "Determining the effect of reinforcing asphalt-concrete coating with synthetic nets on its performance indicators." Eastern-European Journal of Enterprise Technologies 1, no. 1 (133) (2025): 73–81. https://doi.org/10.15587/1729-4061.2025.320426.

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The object of this study is an asphalt concrete cover, the upper layer of which is reinforced with the synthetic material GlasGrid. The subject of research is the performance indicators of asphalt concrete coating. Experimental studies on the effect of reinforced asphalt concrete with synthetic nets on the evolution of rutting and bond strength between layers have been conducted. It has been established that reinforcing the asphalt concrete coating with synthetic nets reduces rutting. At 10,000 load cycles and a temperature of 50 °C, the average value of the rut depth in slab samples without a

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31

Kang, Su Won, and Hyun Do Yun. "Effect of Cement Matrix’s Type on the Shear Performance of Lightly Reinforced Squat Shear Walls Subjected to Cyclic Loading." Advanced Materials Research 658 (January 2013): 42–45. http://dx.doi.org/10.4028/www.scientific.net/amr.658.42.

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This study was conducted to experimentally investigate the shear behavior of non-ductile squat shear walls with different cement matrixes such as normal concrete, fiber-reinforced concrete(FRC), and strain-hardening cement composite(SHCC). The cement matrix type’s effect in the lightly reinforced squat shear wall was evaluated through the testing of three one-third scale walls with a height-to-length ratio (hw/lw) of 0.55 under top displacement reversals. Experimental results show that the cement matrix type in the non-seismically detailed squat shear walls has a significant effect on the shea

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32

Ehlig, Daniel, Alexander Schumann, and Lutz Nietner. "High-Temperature Behavior of Carbon Reinforced Concrete." Buildings 14, no. 2 (2024): 364. http://dx.doi.org/10.3390/buildings14020364.

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Carbon reinforced concrete is perceived by industry as a promising alternative to the currently established construction products. Previous building authority approvals and approvals for this construction method largely exclude questions of preventive fire protection with regard to load-bearing behavior under fire because there are hardly any reliable research results available in this field. This article shows the results of experimental investigations including thermogravimetric analyses of carbon reinforcement and tensile tests on the composite material carbon reinforced concrete. The therm

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33

Zhang, Peng Peng, Wen Da Wang, and Jing Xuan Wang. "Preliminary Study on Post-Fire Behavior of Composite Frame with CFST Columns and Composite Beam." Advanced Materials Research 163-167 (December 2010): 713–16. http://dx.doi.org/10.4028/www.scientific.net/amr.163-167.713.

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A 3-D finite element model (FEM) using ABAQUS was introduced in this paper to simulate the post-fire behavior of composite frames with concrete-filled steel tubular (CFST) columns and steel beam with reinforced concrete slab. Accurate thermal and material model, element type, and solution method were assumed in the model considering the temperature effect during the fire. Some composite joint specimen post-fire tests were modeled using the FEM. The results obtained from the FEM were verified against those experimental results. The mechanism of the composite frame was investigated based on the

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34

Rafiei, Pouya, Hoofar Shokravi, Seyed Esmaeil Mohammadyan-Yasouj, Seyed Saeid Rahimian Koloor, and Michal Petrů. "Temperature Impact on Engineered Cementitious Composite Containing Basalt Fibers." Applied Sciences 11, no. 15 (2021): 6848. http://dx.doi.org/10.3390/app11156848.

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Engineered cementitious composite (ECC) is a new generation of fiber-reinforced concrete with high ductility and exceptional crack control capabilities. However, ECC can suffer a substantial reduction in ductility when exposed to elevated temperatures resulting in a loss of crack-bridging ability. In this study, the effect of adding basalt fiber (BF), which is an inorganic fiber with high-temperature resistance for the production of ECC, was studied. Moreover, the change in the mechanical properties of ECC, including compressive, tensile, and flexural strength, was experimentally investigated

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Picazo, Álvaro, Marcos Alberti, Jaime Gálvez, Alejandro Enfedaque, and Abner Vega. "The Size Effect on Flexural Fracture of Polyolefin Fibre-Reinforced Concrete." Applied Sciences 9, no. 9 (2019): 1762. http://dx.doi.org/10.3390/app9091762.

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The reinforcement of concrete by using polyolefin fibres may be considered in structural design to meet the requirements of the applicable code rules. To achieve a reliable use of such a composite material, use of full-scale real structures is needed. The conversion of lab testing data into real practice properties is challenging and significantly influenced by various aspects, among which the size effect is a key one. Given that the available literature does not report coinciding conclusions about such an effect on quasi-brittle materials reinforced with fibres, further research is justified.

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Raczkiewicz, Wioletta, Magdalena Bacharz, Kamil Bacharz, and Michał Teodorczyk. "Reinforcement Corrosion Testing in Concrete and Fiber Reinforced Concrete Specimens Exposed to Aggressive External Factors." Materials 16, no. 3 (2023): 1174. http://dx.doi.org/10.3390/ma16031174.

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One of the leading causes of reinforced concrete degradation is chloride attack. It occurs due to the penetration of chlorides through pores and cracks into the concrete cover. This phenomenon becomes more dangerous if reinforced concrete elements are subjected to cyclic temperature changes. The concrete cover protects against corrosion. This paper presents research, the primary purpose of which was to determine the effect of the addition of steel fibers to concrete on the development of corrosion of the main reinforcement. The tests were carried out on three types of reinforced concrete speci

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Xiao, Kai Tao, Jia Zheng Li, and Hua Quan Yang. "Study of Crack Resistance Property of Polyvinyl Alcohol Fiber Reinforced Concrete." Advanced Materials Research 287-290 (July 2011): 178–82. http://dx.doi.org/10.4028/www.scientific.net/amr.287-290.178.

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The strength, ultimate tensile value, compressive elastic modulus and drying shrinkage of polyvinyl alcohol fiber reinforced concrete were studied by tests, and its crack resistance property was also studied by plate method and temperature stress testing machine. The test results showed that PVA fiber could improve the tensile strength and ultimate tensile value of concrete, lower its compressive elastic modulus and drying shrinkage, restrain its early plastic shrinkage and drying shrinkage cracks, reduce its cracking temperature and improve the crack resistance property of concrete, moreover,

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Zainurrahman, Eko Darma, and Sri Nuryati. "Carbon Fiber Reinforced Polymer Sebagai Perkuatan Lentur pada Balok Beton." BENTANG : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil 8, no. 1 (2020): 20–28. http://dx.doi.org/10.33558/bentang.v8i1.1947.

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Concrete Beams can experience a sudden collapse when overload because of its brittle characteristic. The use of Carbon Fiber Reinforced Polymer (CFRP) on concrete beams externally as external confinement is predicted to improve concrete mechanics properties, increase the ductility and capacity of concrete, and the flexural strength of concrete beams. An experimental study on the reinforcement of concrete beams with Carbon Fiber Reinforced Polymer (CFRP) was carried out to estimate the effectiveness of CFRP on concrete structures as a concrete beam flexural reinforcement material. Two types of

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Michałowska-Maziejuk, Dorota, and Barbara Goszczyńska. "Effectiveness of Strengthening RC Beams Using Composite Materials—An Accelerated Strengthening Method." Materials 16, no. 13 (2023): 4847. http://dx.doi.org/10.3390/ma16134847.

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The article analyses the results obtained from tests of preloaded reinforced concrete beams strengthened with carbon fibre strips bonded into the concrete reinforcement cover (NSMR method). Adhesive (thixotropic epoxy resin) bonding takes 7 days at 23 °C. The strengthening process was accelerated by heating the strip using a prototype heating device. Tests on the reinforced concrete members confirmed that accelerating the strengthening process is feasible and allowed the selection of the optimal heating temperature to provide the greatest strengthening level. The study primarily aimed to analy

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Gui, Chong, Jinlong Ji, Chongfa Xu, Zhihua Li, and Xuan Guo. "Experimental and Analytical Study on the Flexural Performance of Layered ECC–Concrete Composite Beams." Buildings 15, no. 10 (2025): 1592. https://doi.org/10.3390/buildings15101592.

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Engineered Cementitious Composite (ECC) has emerged as a promising solution with which to address the longstanding challenge of cracking in the tensile zone of reinforced concrete beams. This study conducts an experimental and analytical exploration of the flexural performance of ECC-concrete composite beams reinforced with hot-rolled ribbed steel bars. Sixteen beams, featuring diverse reinforcement ratios and ECC layer thicknesses, underwent rigorous testing through a four-point bending setup. The experimental findings underscore a substantial improvement in crack resistance and flexural bear

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Buller, Abdul Hafeez, Mahboob Oad, and Bashir Ahmed Memon. "Flexural Strength of Reinforced Concrete RAC Beams Exposed to 6-hour Fire – Part 2: Rich Mix." Engineering, Technology & Applied Science Research 9, no. 1 (2019): 3814–17. https://doi.org/10.5281/zenodo.2576308.

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In this research work, experimental investigation on flexural strength of reinforced concrete beams exposed to fire for 6-hours at the temperature of 1000°C is presented. The beams are made with 50% replacement of natural coarse aggregates with recyclable concrete aggregates. A total of 12 reinforced concrete beams using 1:1.5:3 mix (rich mix) and 0.54 water-cement ratio were cast. The beams were prepared in two groups. Group 1 beams were prepared with 50% recyclable aggregates, whereas group 2 beams were cast with all-natural aggregates (control specimens). All beams were exposed to fire

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Shilov, Alexandr, Petr Polskoy, Dmitriy Mailyan, and Petr Shilov. "Initial crack effect on the strength of oblique cross sections of reinforced concrete beams strengthened with carbon fiber." E3S Web of Conferences 110 (2019): 01053. http://dx.doi.org/10.1051/e3sconf/201911001053.

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In the theory of reinforced concrete, the issue on strength of the oblique beam sections is more complicated than that on the standard sections, since it depends on many factors. The change of at least one of them leads to a significant change in the carrying capacity and in the structural damage pattern. This is due to the fact that at the operating level of the load, all conventional reinforced concrete structures work with cracks, which must be considered in the calculation. However, in the existing regulatory documents and public sources, this issue is not specified. This paper considers t

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Ramanjaneyulu, N., M. V. Seshagiri Rao, and V. Bhaskar Desai. "Effect of Elevated Temperature on the Lightweight Aggregate Fibre Reinforced Self-Consolidating Concrete." CVR Journal of Science and Technology 25, no. 1 (2024): 1–9. http://dx.doi.org/10.32377/cvrjst2501.

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This study comprehensively investigates fiber-reinforced self-compacting concrete (FRSCC) behavior across multiple grade variations, namely M20, M30, and M40. The study encompasses substituting conventional natural aggregate with sintered fly ash, exploring replacement percentages of 10%, 20%, and 30%. The primary objective of this study is to identify the optimum Strength achieved through a 20% replacement ratio. The assessment of fresh properties of FRSCC was undertaken through rigorous testing protocols involving the L box, J ring, and V funnel tests, following the guidelines stipulated by

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Bodnárová, Lenka, Jitka Peterková, Jiri Zach, and Iveta Nováková. "Study of Heat Transport in Structure of Concrete." Advanced Materials Research 1000 (August 2014): 302–5. http://dx.doi.org/10.4028/www.scientific.net/amr.1000.302.

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Current trend of construction of ring roads in large cities going often underground emphasizes safety of implementation and using of such constructions, which is closely connected to possible risks of a fire in these predominantly monolithic structures made from steel reinforced concrete. The paper gives results of the research focused on thermally-technical properties of cement based composite materials resistant to high temperature suitable for application in places with higher risk of fire, like secondary lining of tunnels or underground car parks. The aim was verification of appropriatenes

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Maaroof, Atyaf Abdul Azeez, Jasim Ali Abdullah, and Suhaib Yahya Kasim. "Performance of Steel Perforated and Partially-Encased Composite Self-Connected Beams." Jurnal Kejuruteraan 34, no. 4 (2022): 703–17. http://dx.doi.org/10.17576/jkukm-2022-34(4)-18.

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The self-connected partially encased composite beams may be used rather than the conventional composite beams; those are connected by the concrete passing through the web-openings of the perforated profiles which works as shear connectors. This technique minimizes the construction cost and enhances the load carrying capacity and ductility of this kind of structures better than the perforated steel beams. The presented work investigates the performance of perforated steel and partially-encased composited self-connected simply supported beams applied to three-points of loading. The effect of the

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Gencturk, Bora, and Farshid Hosseini. "Evaluation of reinforced concrete and reinforced engineered cementitious composite (ECC) members and structures using small-scale testing." Canadian Journal of Civil Engineering 42, no. 3 (2015): 164–77. http://dx.doi.org/10.1139/cjce-2013-0445.

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The behavior of reinforced concrete (RC) and reinforced engineered cementitious composites (ECC) was comparatively investigated at the component and system levels through a small-scale (1/8 scale factor) experimental program. The logistical and financial advantages of small-scale testing were utilized to investigate a range of parameters, including the effect of reinforcement ratio and material properties, on the response of reinforced concrete and reinforced ECC structures. The procedures pertaining to material preparation, specimen construction, and input motion development that were critica

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KONIN, D. V., A. S. KRYLOV, S. S. KAPRIELOV, I. A. CHILIN, I. V. RTISCHEVA, and L. S. ROZHKOVA. "BEARING CAPACITY OF PRECAST FLOOR SLABS WITH PARTIALLY CONCRETED STEEL BEAMS." Building and reconstruction 108, no. 4 (2023): 19–32. http://dx.doi.org/10.33979/2073-7416-2023-108-4-19-32.

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The issues of modern construction with the use of precast reinforced concrete slabs as part of composite steel and concrete structures are considered. The rationale for the chosen research topic is given. The description and features of experimental models of the studied structures, materials and their characteristics are presented. The features of the support and loading of the models are given. The analysis of the results of testing prisms for shear and models of composite steel and concrete beams and full-sized ofcomposite steel and concrete slabs for bending is carried out. The types and n

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Al-Bazoon, Mustafa, Abdulkhaliq Jaafer, Haidar Haidar, and Abbas Dawood. "Shear Strengthening of Reinforced Concrete Beam Using Wire Mesh–Epoxy Composite." Civil Engineering Journal 8, no. 6 (2022): 1205–26. http://dx.doi.org/10.28991/cej-2022-08-06-09.

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This experimental research aims to study the use of wire mesh–epoxy composite (WMEC) as a shear-strengthening technique for reinforced concrete (RC) beams by focusing on the following parameters: (1) presence of shear reinforcement in the shear span; (2) type of strengthening technique (U-jacketing, vertical U strip, or inclined strip); and (3) number of wire mesh layers (three or six layers). Nine simply supported rectangular RC beams were tested under two monotonic point loads. The testing specimens were divided into two groups: (1) five beams without shear reinforcement and (2) four beams w

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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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Xu, Xun Qian, Wei Yang, Hong Liang Xiang, Jian Bo Wang, and Xiao Yang. "Effect of Crack Initiation and Life Prediction of Polyacrylonitrile-Reinforced Gussasphalt Surfacing over Steel Bridge Deck under Fiber Content Variation." Crystals 10, no. 3 (2020): 155. http://dx.doi.org/10.3390/cryst10030155.

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The crack initiation and life prediction of fiber-reinforced asphalt concrete (FRAC) surfacing for steel bridge decks under a cyclic vehicle load are analyzed from the perspective of damage mechanics. The damage field and the stress and strain field evolution rule of a composite beam in fatigue test are studied, and a fatigue failure criterion is proposed for steel deck FRAC surfacing. Bending fatigue tests are performed on composite beams composed of a steel deck and polyacrylonitrile (PAN)-fiber-reinforced Gussasphalt (GA), i.e., GA-PAN, concrete surfacing under different fiber content and t

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