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Journal articles on the topic 'Concrete; Reinforcing Steel'

Author: Grafiati

Published: 5 June 2025

Last updated: 2 August 2025

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1

ROZENTAL, N. K., and G. V. CHEKHNII. "CHLORIDE CORROSION OF REINFORCING STEEL." Bulletin of Science and Research Center of Construction 35, no. 4 (2023): 174–85. http://dx.doi.org/10.37538/2224-9494-2022-4(35)-174-185.

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Introduction. Many years of experience in examining corrosion conditions show the dangerous adverse effects of chloride media on reinforced concrete structures.Although a large number of domestic and foreign publications have been devoted to the aggressive action of chloride salts on reinforcing steel, protection against chloride corrosion remains a relevant issue.Aim. In this work, the state of this problem, along with the methods for determining the chloride content in concrete, was assessed in order to propose the means to increase its protective action in aggressive chloride media.Material

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2

HU, Ju-Yun, and Won-Kee HONG. "Steel beam–column joint with discontinuous vertical reinforcing bars." JOURNAL OF CIVIL ENGINEERING AND MANAGEMENT 23, no. 4 (2017): 440–54. http://dx.doi.org/10.3846/13923730.2016.1210217.

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The authors have previously proposed steel beam–column connections for precast concrete frames. The steel–concrete composite frames combined the advantages of the fast assembly of steel and the low cost of concrete structures. However, when not enough space is available at column–beam joints, steel sections from beams cannot be connected with column brackets. To address this issue, this paper explores the strategy of disconnecting some vertical reinforcing bars at the joints by connecting vertical steel reinforcements to steel plates placed above and below column steels, to provide a load tran

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3

Yan, Ge, Li Yan, and Zhu Xichang. "Testing Zinc Mesh Anodes for Prestressed Concrete Wharf Piles." Materials Performance 50, no. 9 (2011): 30–33. https://doi.org/10.5006/mp2011_50_9-30.

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Premature damage of prestressed concrete piles in marine environments at tidal and splash zone areas, caused by corrosion of reinforcing steels, is a common occurrence. It is necessary to adopt effective measures to control corrosion of reinforcing steels to extend the durability of the piles. This article discusses application testing of zinc mesh anodes on one prestressed concrete wharf pile in a seaport to control further corrosion of reinforcing steel.

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4

Amleh, Lamya, and Alaka Ghosh. "Modeling the effect of corrosion on bond strength at the steel–concrete interface with finite-element analysis." Canadian Journal of Civil Engineering 33, no. 6 (2006): 673–82. http://dx.doi.org/10.1139/l06-052.

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This paper examines the basic influence of corrosion on bond strength at the steel–concrete interface and the associated slip and cracking. A nonlinear finite-element model is developed to account for the effect of corrosion on deterioration of the bond. Deterioration of the mechanical interaction between the corroding reinforcing steel and the concrete is modeled with the nonlinear finite-element program ABAQUS. The contact pressure normal to the steel–concrete interface is reduced when the concrete cracks, which occurs along with a decrease in the cross-sectional area of the steel bar and th

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5

Ramsingh, R. R., B. Voyzelle, and W. Zheng. "Low-Alloy Steels for Reinforcing Rods in Concrete." Materials Performance 46, no. 5 (2007): 56–61. https://doi.org/10.5006/mp2007_46_5-56.

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Several low-alloy, low-corrosion steels were developed as candidates for reinforcing rods in concrete, and their corrosion rates were investigated in the laboratory in two phases. Linear polarization scans and weight-loss results were used to assess the corrosion rates of the steels. The thickness of the concrete over the steel rods influenced the location of the corrosion.

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6

Jomaa’h, Muyasser, Ammar Khazaal, and Sinan Ahmed. "Effect of replacing the main reinforcement by steel fibers on flexural behavior of one-way concrete slabs." MATEC Web of Conferences 162 (2018): 04010. http://dx.doi.org/10.1051/matecconf/201816204010.

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The main objective of the research is to study the preparation of one way slabs of ordinary concrete, and then to prepare concrete slabs by replacing the main reinforcing steel with two kinds of steel fibers (ordinary steel fibers and recycled steel fibers) by fraction volumes of 0.125, 0.250, and 0.375%. Also, study the mechanical properties of the mixtures as a ompressive strength, indirect tensile strength, and flexural strength. Concrete slabs of these mixtures have been prepared with specific geometrical dimensions700 * 300 * 70 mm, exposed to line load, to study the bending moment and ma

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7

Sarker, Prabir. "Bond Strengths of Geopolymer and Cement Concretes." Advances in Science and Technology 69 (October 2010): 143–51. http://dx.doi.org/10.4028/www.scientific.net/ast.69.143.

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Geopolymer is an inorganic alumino-silicate product that shows good bonding properties. Geopolymer binders are used together with aggregates to produce geopolymer concrete which is an ideal building material for infrastructures. A by-product material such as fly ash is mixed together with an alkali to produce geopolymer. Current research on geopolymer concrete has shown potential of the material for construction of reinforced concrete structures. Structural performance of reinforced concrete depends on the bond between concrete and the reinforcing steel. Design provisions of reinforced concret

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8

Asmara, Yuli Panca, Tedi Kurniawan, Agus Geter Edy Sutjipto, and Jamiluddin Jafar. "Application of Plants Extracts as Green Corrosion Inhibitors for Steel in Concrete - A review." Indonesian Journal of Science and Technology 3, no. 2 (2018): 158. http://dx.doi.org/10.17509/ijost.v3i2.12760.

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High requirements in protection of steel reinforcing bar (steel rebar) from corrosion are necessary since there are multi interaction of corrosive chemicals which cause early damage of concrete buildings. Corrosion of steel in concrete can destroy the concretes and reduce concrete strength. To protect rebar from corrosion, application of corrosion inhibitor is believed to have higher performance compared to other protection systems. To date, organic inhibitors have promising methods in steel rebar protection as they are environment-friendly, compatible with concrete, cost effective and applica

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9

Andrade, Carmen, P. Merino, X. R. Nóvoa, M. C. Pérez, and L. Soler. "Passivation of Reinforcing Steel in Concrete." Materials Science Forum 192-194 (August 1995): 891–98. http://dx.doi.org/10.4028/www.scientific.net/msf.192-194.891.

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10

Ovchinnikov, E. S., and I. A. Ovchinnikova. "Clad rolled reinforcing bars." Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY), no. 3 (October 20, 2020): 56–58. http://dx.doi.org/10.21122/1683-6065-2020-3-56-58.

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Premature destruction of reinforced concrete structures exposed to aggressive environmental influences is a serious problem, both from a technical and economic point of view. Carbon steel reinforcing bar embedded in concrete is usually not subject to corrosion due to the formation of a protective ion-oxide film that passivates the steel under conditions of strong alkalis in the concrete pores. However, this passivity can be disrupted by chlorides penetrating the concrete, or by carbonation reaching the surface of the reinforcing bar. Then the corrosion begins.An example of a solution to this p

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11

Purić, Vedina, and Omer Beganović. "EFFECT OF COOLING PARAMETERS ON TENSILE PROPERTIES OF CONCRETE REINFORCING STEEL IN COILS." Journal of Sustainable Technologies and Materials 4, no. 7 (2024): 9–16. https://doi.org/10.57131/jstm.2024.7.2.

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&lt;p&gt;The production of concrete structural steel using controlled cooling with Tempcore technology enables the production of high-strength steel with improved adhesion to concrete while ensuring homogeneous properties for the construction of buildings, bridges, highways, and other construction facilities in any geographical environment. Concrete reinforcing steel can be produced in the form of bars or coils. The production of concrete reinforcing steel in coils ensures higher productivity, increased output, lower labor costs, and faster application.&lt;/p&gt; &lt;p styl

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12

Morgun, Lyubov V., Anton V. Visnap, and Vladimir N. Morgun. "The Ways to Develop Steel Reinforcing and Concrete Cohesion Testings." Materials Science Forum 931 (September 2018): 624–27. http://dx.doi.org/10.4028/www.scientific.net/msf.931.624.

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The article oversees the topicality of an appropriate strength assessment of bonding of steel reinforcing rod with concrete. It is shown that in the technology of reinforcing concrete framing, metal reinforcing has seen a new alternative in the form of fiberglass, basalt plastic reinforced polymer and carbon fiber. Efficiency of application of reinforcing construction made of composite materials includes not only increased corrosion resistance, but also better compatibility of materials in strength and deformation properties. The article suggests experimental evaluation of the adhesion of the

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13

Lim, Myung-kwan, and Changhee Lee. "A Study on the Heat and Stress Evaluation of Reinforced Concrete through High-Frequency Induction Heating System Using Finite Element Techniques." Sustainability 13, no. 11 (2021): 6061. http://dx.doi.org/10.3390/su13116061.

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In this study, we analysed the thermal field generated on the surface of reinforcing steel through 2D and 3D magnetic field analyses based on previous experiments on the temperature rise characteristics of reinforcing steel, temperature rise characteristics and mechanical characteristics. According to the results of the analysis of transferred heat from heated reinforcing steel to concrete, the actual reinforced concrete was analysed and compared with the actual measurements, and the following conclusions were reached. Through analysing the heat source that is generated by the eddy current and

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14

Neamat, Sevar, and Mahmood Shamsborhan. "The Investigation of The Different Types of the Ground Rebar Spacers with Proposing New Design Rebar Space Mixed of Concrete Palstic." Journal of Civil Engineering Frontiers 1, no. 1 (2020): 01–06. http://dx.doi.org/10.38094/jocef114.

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The reinforcing spacers are commonly prepared from cementitious material, plastic or metals. These spacers are prepared to provide the reinforcing steel with ensuring that the requested concrete cover thickness is attained to guard surrounded steel from corrosion. Also, they pretend a vital role in the concrete structure performance. The toughness of reinforced concrete buildings remains extremely reliant on the features of the protection of concrete to be strong with thickness. A disappointment in finding cover thickness is considered the main impact on early deterioration within the steel, w

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15

Wang, Zhen Qing, Bing Liu, Da Lei Zhu, and Mu Qiao. "Evaluation on Debonding along the Interface of Reinforced Concrete at Elevated Temperature." Key Engineering Materials 452-453 (November 2010): 189–92. http://dx.doi.org/10.4028/www.scientific.net/kem.452-453.189.

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Steel and concrete are poured together with a certain way which can be regarded as a fiber reinforced composite material. For this composite material, the issues of bond and pull-out are very important. The bond property of reinforced concrete at normal temperature is different from the property at elevated temperature. The exposure of reinforced concrete structural elements to high temperatures during an aggressive fire leads to significant losses in its structural capacity due to the reduction in the strength of the concrete, possible plastic deformation of embedded steel and most importantl

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16

Lakusic, Stjepan. "Bamboo as reinforcing material in concrete structures: A literature study." Journal of the Croatian Association of Civil Engineers 75, no. 08 (2023): 803–18. http://dx.doi.org/10.14256/jce.3681.2022.

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The production of conventional building materials such as steel, concrete, and brick causes severe exploitation of natural resources and emission of greenhouse gases. Therefore, alternative eco-friendly, sustainable, and inexpensive building materials are required. Bamboo is a natural material which can replace steel in various structures. Several studies have evaluated the potential of bamboo as a steel replacement in structures. This paper provides a literature review on the use of bamboo-reinforced concretes (BRC) in various countries.

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17

Al-Quraishi, Hussein, Nada Sahmi, and Maha Ghalib. "Bond Stresses between Reinforcing Bar and Reactive Powder Concrete." Journal of Engineering 24, no. 11 (2018): 84. http://dx.doi.org/10.31026/j.eng.2018.11.07.

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A good performance of reinforced concrete structures is ensured by the bond between steel and concrete, which makes the materials work together, forming a part of solidarity. The behavior of the bond between the reinforcing bar and the surrounding concrete is significant to evaluate the cracking control in serviceability limit state and load capacity in the ultimate limit state. In this investigation, the bond stresses between reinforcing bar and reactive powder concrete (RPC) was considered to compare it with that of normal strength concrete (NSC). The push-out test with short embedment lengt

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18

Islam, M. A. "Essential Mechanical Properties of Structural Steels for Steel Reinforced Buildings in the Earthquake Sensitive Areas." Journal of Scientific Research 4, no. 1 (2011): 51. http://dx.doi.org/10.3329/jsr.v4i1.7069.

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During earthquake, the ground along with its various natural and manmade structures experiences shaking of various intensities and frequencies depending on the nature of the earthquake. The loading activities caused by earthquakes on various structures are very much cyclic type, which is popularly known as fatigue loading. On the other hand, for modern high-rise buildings a large volume of steel bar is used to reinforce the concrete because of the pioneer role of steel bars embedded inside the concrete for safety of the buildings. In this study various mechanical properties of reinforcing stee

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19

Lee, Yoon-Si, and Brent Phares. "Bond Strength and Development Length of Galvanized Reinforcing Steel." International Journal of Civil and Structural Engineering Research 3, no. 1 (2015): 311–17. https://doi.org/10.5281/zenodo.6147088.

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<strong>Abstract: </strong>In reinforced concrete systems, ensuring that a good bond between the concrete and the embedded reinforcing steel is critical to long-term structural performance.  Without good bond between the two, the system simply cannot behave as intended.  The bond strength of reinforcing bars is a complex interaction between localized deformations, chemical adhesion, and other factors.  For many years, the standard practice has been to coat reinforcing steel with an epoxy coating which provides a barrier between the steel and the corrosive elements of water, air,

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20

Won, Jong-Pil, Chan-Gi Park, Hwang-Hee Kim, Sang-Woo Lee, and Cheol Won. "Bond Behaviour of Frp Reinforcing Bars in High-Strength Steel Fibre-Reinforced Concrete." Polymers and Polymer Composites 15, no. 7 (2007): 569–78. http://dx.doi.org/10.1177/096739110701500707.

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Current design trends for structures require the increased use of high-strength concrete, which has a compressive strength of over 80 MPa. Its enhanced strength, however, leads to brittle failure problems, which have been resolved by adding steel fibres. Fibre-reinforced polymer (FRP) is actively being studied to resolve the corrosion problems encountered with steel reinforcing bars in concrete structures exposed to adverse environmental conditions. In this study, we experimentally evaluated the bond behaviour of FRP reinforcing bars in high-strength steel fibre-reinforced concrete. A high-str

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21

Doi, Kotaro, and Sachiko Hiromoto. "Synergistic Effects of Plastic Deformation and Chloride Ions on Localized Corrosion of Steel Rebars in Concrete." ECS Meeting Abstracts MA2024-02, no. 15 (2024): 1624. https://doi.org/10.1149/ma2024-02151624mtgabs.

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In typical concrete environments, alkalinity is generally maintained, contributing to the superior corrosion resistance of reinforcing steels due to the presence of a passive film. However, the passive film can be broken by some corrosion factors, and the corrosion initiates on the reinforcing steel. In this study, we studied the dissolution and repassivation behavior of reinforcing steel during rapid elongation in a simulated concrete solution containing Cl- to elucidate the effects of deformation and Cl- on the localized corrosion behavior of the reinforcing steel in concrete. Commercial rei

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22

Dugarte, M., and A. A. Sagüés. "Cathodic Prevention of Steel in Previously Cracked Concrete." Materials Performance 61, no. 3 (2022): 28–31. https://doi.org/10.5006/mp2022_61_3-28.

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Steel in concrete in marine service corrodes when the critical chloride threshold level, CT, is exceeded and causes passive film breakdown on the steel surface. One corrosion management technology that holds considerable promise is cathodic prevention (CPrev). It relies on applying a cathodic current density to the reinforcing steel starting when it is still passive. CPrev systems have been applied successfully to steel in sound concrete. However, effectiveness in marine service in the presence of preexisting concrete cracks has not been established. Reinforced concrete blocks with controlled

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23

Schroeder, Herbert P., and Thomas B. Wood. "Concrete/Reinforcing Steel Bond Strength of Low-Temperature Concrete." Journal of Cold Regions Engineering 10, no. 2 (1996): 93–117. http://dx.doi.org/10.1061/(asce)0887-381x(1996)10:2(93).

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24

Śliwka, Andrzej, Katarzyna Domagała, and Adam Zybura. "Evaluation of protective properties of concretes made of cements with calcareous fly ash with respect to reinforcing steel." Roads and Bridges - Drogi i Mosty 12, no. 2 (2014): 237–50. http://dx.doi.org/10.7409/rabdim.013.017.

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The studies on the protective properties of concrete made of cements containing calcareous fly ash are presented in the paper. The aim of the studies carried out by electrochemical methods was to determine the susceptibility of reinforcing steel corrosion, protected by the analysed concretes, as well as to define the rate of reinforcement corrosion installed in the loaded and cracked samples, subjected additionally to the action of chloride solution. The obtained results were compared with the values of Portland cement concrete, considered as reference. The results showed that the addition of

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25

Zhou, Ling Yuan, and Li Qiao. "Ultimate Load Analysis of Reinforced Concrete Beam with Finite Element." Advanced Materials Research 243-249 (May 2011): 1340–45. http://dx.doi.org/10.4028/www.scientific.net/amr.243-249.1340.

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A efficient 3D beam element based on the distributed nonlinearity theory is proposed for nonlinear analysis of reinforcement concrete structures. The sections consist of reinforcing steel and concrete in this formulation and the section stiffness matrices are calculated through the integration of stress-strain relations of concrete and the accumulation of reinforcing steel effect. The force-based formulation is adopted in the evaluation of the element stiffness matrix and the element state determination. The improved Kent-Park model is adopt for the stress-strain relation of concrete, and unia

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26

Zhou, He Ting. "Experimental Research on Reinforcing Effect of Spiral Steel Fiber." Applied Mechanics and Materials 174-177 (May 2012): 668–71. http://dx.doi.org/10.4028/www.scientific.net/amm.174-177.668.

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Steel fiber has a fine nature in reinforcing concrete. This essay aims to find out the influence of physical forms of steel fiber on its nature of reinforcement. By comparing two types of cement mortar reinforced by steel fibers, it is found that spiral steel fibers have a better bond strength with matrix than straight ones. Therefore, a conclusion could be drawn that physical forms of the steel fiber play a significant role in steel fiber reinforced concrete, and the experiment also serves a rewarding reference to the application of spiral steel fibers.

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27

Teguh, Mochamad, and Novia Mahlisani. "Experimental Study on Flexural Behavior of Reinforced Concrete Beams with Variety Lap Splices of Reinforcing Steel Bars." Applied Mechanics and Materials 845 (July 2016): 132–39. http://dx.doi.org/10.4028/www.scientific.net/amm.845.132.

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The limited lengths of reinforcing bars have been commonly found in the practical construction of most reinforced concrete structures. The required length of a bar may be longer than the available stock of steel length. For maintaining desired continuity of the reinforcement in almost all reinforced concrete structures, some reinforcing bars should be carefully spliced. In the case of long flexural beam, bar installers end up with two or even more pieces of steel that must be spliced together to accomplish the desired steel length. An experimental study was conducted to investigate flexural be

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28

Li, Qingfu, Yunqi Cui, and Jinwei Wang. "Basic Mechanical Properties of Duplex Stainless Steel Bars and Experimental Study of Bonding between Duplex Stainless Steel Bars and Concrete." Materials 14, no. 11 (2021): 2995. http://dx.doi.org/10.3390/ma14112995.

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In recent years, as a result of the large-scale use of stainless steel bars in production and life, people’s demand for stainless steel bars has increased. However, existing research information on stainless steel bars is scant, especially the lack of research on the mechanical properties of duplex stainless steel bars and the bonding properties of duplex stainless steel bars to concrete. Therefore, this paper selects 177 duplex stainless steel bars with different diameters for room temperature tensile test, and then uses mathematical methods to provide suggestions for the values of their mech

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29

Yao, Wei, Hai Jun Wu, and Feng Lei Huang. "Experimental Investigation about Dynamic Bond-Slip between Reinforcing Steel Bar and Concrete." Applied Mechanics and Materials 249-250 (December 2012): 1073–81. http://dx.doi.org/10.4028/www.scientific.net/amm.249-250.1073.

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The aim of the present research is to assess the dynamic performance of bond-slip between reinforcing steel bar and concrete. Precisely, the sensitivity of the bond stress-displacement relationship in the interface between reinforcing steel bar and concrete to strain rate is investigated. In this paper, the reinforcing steel bar/concrete specimens were tested in dynamic push-out experiments with modified split Hopkinson pressure bar (SHPB) system. The incident bar was used to apply compressive loading to single steel bar embedded in a surrounding concrete. Using this technique, the debonding p

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30

Ahlborn, Theresa M., and Timothy C. DenHartigh. "Comparative Bond Study of Stainless and High-Chromium Reinforcing Bars in Concrete." Transportation Research Record: Journal of the Transportation Research Board 1845, no. 1 (2003): 88–95. http://dx.doi.org/10.3141/1845-10.

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Concrete bridge decks in corrosive environments have used several methods to prevent corrosion of the reinforcing steel including the use of alternative steels as reinforcement. While research has been conducted on corrosion resistance, very little information is available about the bond strength of alternative metallic reinforcement such as solid stainless steels and high-strength, high-chromium (HSHC) alloys. Therefore, the tensile bond strengths of three alternative metallic steel reinforcements in concrete are compared with conventional A615 Grade 60 steel reinforcement. Two types of stain

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31

Song, Yarong, Elaine Wightman, Yimei Tian, et al. "Corrosion of reinforcing steel in concrete sewers." Science of The Total Environment 649 (February 2019): 739–48. http://dx.doi.org/10.1016/j.scitotenv.2018.08.362.

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32

González, J. J., J. Setién, J. A. Álvarez, J. A. Polanco, and D. Ferreño. "Failure of reinforcing concrete steel ribbed bars." Engineering Failure Analysis 13, no. 8 (2006): 1376–87. http://dx.doi.org/10.1016/j.engfailanal.2005.10.014.

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33

Yun, Lim, and Choi. "Effects of Reinforcing Fiber Strength on Mechanical Properties of High-Strength Concrete." Fibers 7, no. 10 (2019): 93. http://dx.doi.org/10.3390/fib7100093.

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: This paper investigates the effects of the tensile strength of steel fiber on the mechanical properties of steel fiber-reinforced high-strength concrete. Two levels of steel fiber tensile strength (1100 MPa and 1600 MPa) and two steel fiber contents (0.38% and 0.75%) were used to test the compression, flexure, and direct shear performance of steel fiber-reinforced high-strength concrete specimens. The aspect ratio for the steel fiber was fixed at 80 and the design compressive strength of neat concrete was set at 70 MPa to match that of high-strength concrete. The performance of the steel fib

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34

Bejinariu, Costică, Petru Lazăr, Andrei Victor Sandhu, Alin Marian Cazac, Ioan Gabriel Sandu, and Ofelia Corbu. "Enhancing Properties of Reinforcing Steel by Chemical Phosphatation." Applied Mechanics and Materials 754-755 (April 2015): 310–14. http://dx.doi.org/10.4028/www.scientific.net/amm.754-755.310.

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This paper presents the first results of complex study concerning the protection of reinforcing steel used in concrete structures from civil and industrial buildings. The obtained coatings have multiple purpose, increasing the corrosion resistance but also the adherence with the concrete, improving the overall performance of concrete and its durability.

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Koval, Petro, and Vladimir Zelenovskiy. "INFLUENCE OF CONCRETE COMPOSITION ON THE CORROSIVE STATE OF THE STEEL ARMATURES AND DURABILITY OF REINFORCED CONCRETE STRUCTURES." Avtoshliakhovyk Ukrayiny, no. 1 (257)’ 2019 (March 29, 2019): 33–39. http://dx.doi.org/10.33868/0365-8392-2019-1-257-33-39.

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The influence of the composition of the concrete mixture on the state of reinforcing steel as the main problem of corrosion of reinforced concrete structures is considered. The main attention is paid to the need for individual and mandatory consideration of the influence of the properties of additives to concrete on the passivation of reinforcing steel. The purpose of conducting studies to determine the effect of concrete composition on the state of reinforcing steel is to analyze the causes of corrosion of reinforcement, determine the influence of the environment, apply appropriate prevention

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Blikharskyy, Zinoviy, Khrystyna Sobol, Taras Markiv, and Jacek Selejdak. "Properties of Concretes Incorporating Recycling Waste and Corrosion Susceptibility of Reinforcing Steel Bars." Materials 14, no. 10 (2021): 2638. http://dx.doi.org/10.3390/ma14102638.

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In this paper, properties of concretes incorporating recycling waste and corrosion susceptibility of reinforcing steel bars were studied. It was established that fineness of ground granulated blast furnace slag (GGBFS) and fly ash (FA) and their simultaneous combination have an influence on the kinetics of strength development of Portland cements and concretes. The compressive strength of concrete containing 10% by mass of GGBFS and 10% by mass of FA even exceeds the compressive strength of control concrete by 6.5% and concrete containing 20% by mass of GGBFS by 8.8% after 56 days of hardening

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Cao, Zhong Lu. "Corrosion Behaviors of Reinforcing Steel in Concrete with Various Moisture Contents." Key Engineering Materials 805 (June 2019): 100–105. http://dx.doi.org/10.4028/www.scientific.net/kem.805.100.

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Moisture contents of concrete can affect the corrosion of reinforcing steel. In this paper, moisture contents of concrete were increased by filling the small holes with water or fully submerging in water. The effect of moisture contents on the corrosion behaviors of cathodic and anodic steel was investigated by comparing the half-cell potential, micro-cell and macro-cell current density. The results indicated that when only the concrete around cathodic steel was in water-saturated state, it could greatly weakened the kinetics of cathodic reaction and resulted in a considerable decrease in macr

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38

Cai, J. S., C. C. Chen, J. Z. Liu, and L. Shi. "The Protection of Reinforcing Steel in Concrete by Migrating Corrosion Inhibitor." Key Engineering Materials 629-630 (October 2014): 136–43. http://dx.doi.org/10.4028/www.scientific.net/kem.629-630.136.

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In this paper, the performance of two kinds of migrating corrosion inhibitors on the corrosion behavior of steel in concrete under wet-dry cycle was investigated. The wet-dry cycle duration on the open circuit, current density and impedance of carbon steel imbedded in concrete were analyzed by linear polarization resistance (LPR) and electrochemical impedance spectroscopy (EIS). The results show that two kinds of migrating corrosion inhibitors can restrain corrosion of reinforcing steel, the corrosion efficiency of ZX was less more than MCI. Migrating corrosion inhibitor not only can improve c

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39

Žižmond, Jure, and Matjaž Dolšek. "Seismic Design and Performance Assessment of Frame Buildings Reinforced by Dual-Phase Steel." Applied Sciences 11, no. 11 (2021): 4998. http://dx.doi.org/10.3390/app11114998.

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To improve the durability and serviceability of reinforced concrete structures, different variants of dual-phase reinforcing steel were developed within the research project NEWREBAR. The investigated variant of the new material, termed DPD2 steel, has a specific microstructure that increases the corrosion resistance, but its yielding strength is less than that of Tempcore steel B500B. DPD2 steel has no yielding plateau, which is characteristic of conventional reinforcing steel. Thus, it was investigated whether the current building codes can be used to design earthquake-resistant concrete str

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Ding, Xinxin, Haibin Geng, Minglei Zhao, Zhen Chen, and Jie Li. "Synergistic Bond Properties of Different Deformed Steel Fibers Embedded in Mortars Wet-Sieved from Self-Compacting SFRC." Applied Sciences 11, no. 21 (2021): 10144. http://dx.doi.org/10.3390/app112110144.

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Reliable bond of steel fiber in concrete is a key problem relating to the reinforcing effect of steel fiber on concrete matrix and for the guide in significance for the optimal design of the geometry and mechanical properties of steel fiber. In this paper, on the basis of multi-indices of evaluation for the bond properties of single hooked-end steel fiber, the indices for the evaluation of synergistic bond properties of different deformed steel fibers are proposed. The pull-out tests were carried out for different deformed steel fibers embedded in mortar wet-sieved from self-compacting SFRC wi

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Yan, Cheng, and Sidney Mindess. "Bond between epoxy-coated reinforcing bars and concrete under impact loading." Canadian Journal of Civil Engineering 21, no. 1 (1994): 89–100. http://dx.doi.org/10.1139/l94-009.

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The bond between epoxy-coated reinforcing bars and concrete under static, high strain rate, and impact loading was studied for plain concrete, polypropylene fibre reinforced concrete, and steel fibre reinforced concrete. The bond stress, slip, crack development, the bond stress–slip relationship, and the fracture energy during the bond-slip process were investigated experimentally. The results were compared with those for uncoated reinforcing bars. It was found that for epoxy-coated rebars, the bond resistance decreased, in terms of the maximum local bond stress and the average bond stress; wi

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Ning, Jian Guo, Lin Shang, and Yuanxiang Sun. "A Viscoelastic Continuum Damage Model for Reinforced Concrete Subjected to Shock Loading." Key Engineering Materials 306-308 (March 2006): 309–14. http://dx.doi.org/10.4028/www.scientific.net/kem.306-308.309.

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In this paper, we analyze a RVE of concrete reinforced (RC) with steel reinforcing bar in two vertical directions on basis of the thoughts of composite material and propose that in the ideal case the constitutive equation of reinforce concrete is declared to multiply the viscoelastic constitutive equation of concrete by a reinforcing multiplier G , which is depended on material characters and arrange mode of steel reinforcing bar. In the model, we draw the growing damage law on the assumption that damage only occur in the concrete. Subsequently, we obtain the damage viscoelastic constitutive e

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Teng, Jin-Guang, Bing Zhang, Shishun Zhang, and Bing Fu. "Steel-free hybrid reinforcing bars for concrete structures." Advances in Structural Engineering 21, no. 16 (2018): 2617–22. http://dx.doi.org/10.1177/1369433218818772.

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Extensive research has been conducted on the replacement of steel rebars with fibre-reinforced polymer rebars to eliminate the steel corrosion problem in conventional steel bar–reinforced concrete structures. However, as the performance of fibre-reinforced polymer rebars is substantially inferior in compression (due to issues such as fibre micro-buckling) than in tension, their use in concrete columns is generally not recommended; this poses a significant challenge when a steel-free structure is needed. This article presents a novel steel-free hybrid rebar developed at The Hong Kong Polytechni

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Liang, Hongyu, Zhigang Wu, Jifeng Hu, Yuannan Gan, and Sheng Qiang. "Simulation Test of an Intelligent Vibration System for Concrete under Reinforcing Steel Mesh." Buildings 14, no. 8 (2024): 2277. http://dx.doi.org/10.3390/buildings14082277.

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Concrete vibration construction sustains high labor intensity, a poor working environment, difficulties in quality control, and other problems. Current research on concrete vibration focuses on monitoring vibration quality, evaluating vibration processes quantitatively, and assessing mechanical vibration of unreinforced mesh concrete (plain concrete). Standardizing concrete vibration under reinforcing steel mesh remains difficult. There is still a lag in the evaluation of the quality of rework and the consumption of human and material resources. To tackle these issues, a vibrating robotic arm

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Caprili, Silvia, Walter Salvatore, and Renzo Valentini. "Micro and Macro Structural Investigations on Welded Joints of Composite Truss Steel Concrete Beams." Advances in Materials Science and Engineering 2021 (March 24, 2021): 1–13. http://dx.doi.org/10.1155/2021/6183178.

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The results of an experimental test campaign including micro and macro investigations on welded joints typically used in Composite Truss Steel-Concrete beams are presented. The research was carried out with the aim of assessing the relevance of welding effects on the mechanical performance of different typologies of steel grades that can be used to realize the internal truss steel system, connected to the bottom steel plate used with the double structural and formwork function. Two different steel typologies were adopted for the steel truss: the “traditional” structural micro-alloyed steel, no

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Zhang, Ying Zi, Ying Fang Fan, Hong Nan Li, and Xue Nan Wu. "Study on Evaluation Method of Corroded Reinforcing Steel." Applied Mechanics and Materials 26-28 (June 2010): 1184–89. http://dx.doi.org/10.4028/www.scientific.net/amm.26-28.1184.

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Corrosion ratio is an important index to study the mechanical deteriorates of the steel bars, which has a significant effect to evaluate the residual bearing capacity of reinforced concrete structures. To investigate the mechanical properties of the corroded steel bars, Strain energy loss as corrosion ratio is firstly proposed. Tensile test are conducted on ribbed and plain steels, which are corroded by acceleration corrosion method. Comparing with the weight loss and cross-section loss to describe the effect of corrosion of reinforcing bar, the strain energy loss of reinforcing bars is calcul

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WANG, Jing, Sichuan SHAO, and Liqing ZHANG. "A Review of Chloride Corrosion Resistance of Ultra-High-Performance Concret." Engineering Materials and Structures 3, no. 1 (2024): 1–13. http://dx.doi.org/10.48014/ems.20231026001.

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Extending the service life of reinforced concrete structures can effectively reduce the economic, environmental, resource and energy costs throughout their life cycle. However, a large number of reinforced concrete structures often suffer from corrosion of reinforcing bars due to chloride ion erosion in various environments, which leads to deterioration of performance, the loss of functionality and even safety accidents. As a barrier between reinforcing steel and the external environment, protective layer concrete can effectively prevent chloride ions from contacting the surface of reinforcing

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Xu, Yu Ye, and Bi Lan Lin. "Corrosion Behavior of HRB400 Reinforcing Steel Using Cyclic Potentiodynamic Polarization Technique." Advanced Materials Research 250-253 (May 2011): 207–12. http://dx.doi.org/10.4028/www.scientific.net/amr.250-253.207.

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HRB400 reinforcing steel due to high strength and high ductibility is as the main reinforcing steel in “Code for design of concrete structures (GB50010-2002)” in China. Cyclic potentiodynamic polarization technique was used to investigate the electrochemical corrosion bebavior of HRB400 reinforcing steel in Simulated Concrete Pore solutions (SCP solutions) differently contaminated by bicarbonate ions and/or chloride ions. The evolution feature of the corrosion parameters was analyzed and was compared with that of HPB235 reinforcing steel. The results show that the corrosion characteristics of

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Ali Adnan Al Zahid. "Investigate the Effect of Replacing the Traditional Reinforcing With Steel Stirps in Two-Way Concrete Slabs." Journal of Information Systems Engineering and Management 10, no. 36s (2025): 964–71. https://doi.org/10.52783/jisem.v10i36s.6621.

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This study analyzes the effect of employing steel strips as a new reinforcing method in two-way concrete slabs rather than the traditional approach of steel bar reinforcements. The study includes the casting of two slabs with self-compacting concrete and evaluating them under uniform load. The proposed reinforcing technique is used for first slab, and the traditional reinforcing method is used for the second slab. Both styles of reinforcing method used the same equivalent amount of steel. Significant observations in behavior were recorded throughout the research process in ultimate load, first

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Croce, Pietro, Paolo Formichi, and Filippo Landi. "Influence of Reinforcing Steel Corrosion on Life Cycle Reliability Assessment of Existing R.C. Buildings." Buildings 10, no. 6 (2020): 99. http://dx.doi.org/10.3390/buildings10060099.

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Time-dependent reliability assessment is a crucial aspect of the decision process for rehabilitation of existing reinforced concrete structures. Since the assessment strongly depends on degradation of materials with time, the paper focuses on the influence of corrosion in reinforcing steel on time-reliability curves of relevant reinforced concrete (r.c.) structures, built in Italy in the 1960s, belonging to different building categories. To realistically represent the probability distribution functions (pdfs) of the relevant properties of reinforcing steel and concrete commonly adopted in the

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