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Zeitschriftenartikel zum Thema "Concrete; Reinforcing Steel"

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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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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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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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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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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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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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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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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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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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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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Dissertationen zum Thema "Concrete; Reinforcing Steel"

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Miyagawa, Toyoaki. "EARLY CHLORIDE CORROSION OF REINFORCING STEEL IN CONCRETE." Kyoto University, 1985. http://hdl.handle.net/2433/74641.

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Al, Isa Muthena Abdul Hussain Ibrahim. "Admixtures to reduce chloride ingress into concrete." Thesis, Imperial College London, 1995. http://hdl.handle.net/10044/1/11346.

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Ahmad, Tavakoli K. "Reinforcing concrete slabs with steel fibers obtained from discarded cans." FIU Digital Commons, 1990. http://digitalcommons.fiu.edu/etd/1221.

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Nachiappan, Vijayakumar. "Corrosion of high-chromium and conventional steels embedded in concrete." Morgantown, W. Va. : [West Virginia University Libraries], 2003. http://etd.wvu.edu/templates/showETD.cfm?recnum=3195.

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Thesis (M.S.)--West Virginia University, 2003.<br>Title from document title page. Document formatted into pages; contains ix, 56 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 51-52).
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Amleh, Lamya. "Bond deterioration of reinforcing steel in concrete due to corrosion." Thesis, McGill University, 2000. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=36868.

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This research program consists of laboratory studies of the corrosion phenomenon and field study of the deterioration due to corrosion of the Dickson Bridge. The laboratory studies examined the influence of increasing levels of corrosion on the progressive deterioration of bond between the steel and concrete and determined the extent to which the various cements and mix proportions influence the corrosion of the reinforcement as well as the chloride ion penetration. The corrosion resistance of the fly ash concrete is examined and compared with that of plain concrete to determine the effects of
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García, Taengua Emilio José. "Bond of Reinforcing Bars to Steel Fiber Reinforced Concrete (SFRC)." Doctoral thesis, Universitat Politècnica de València, 2013. http://hdl.handle.net/10251/32952.

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The use of steel fiber reinforced concrete (SFRC hereafter) is becoming more and more common. Building codes and recommendations are gradually including the positive effect of fibers on mechanical properties of concrete. How to take advantage of the higher ductility and energy absorption capacity of SFRC to reduce anchorage lengths when using fibers is not a straightforward issue. Fibers improve bond performance because they confine reinforcement (playing a similar role to that of transverse reinforcement). Their impact on bond performance of concrete
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Balakumaran, Soundar Sriram G. "Influence of Bridge Deck Concrete Parameters on the Reinforcing Steel Corrosion." Thesis, Virginia Tech, 2010. http://hdl.handle.net/10919/32665.

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Chloride induced corrosion of steel in concrete is one of the major forms of deterioration mechanisms found in reinforced concrete bridges. Early age corrosion damage reduces the lifespan of the bridges, which results in heavy economic losses. Research has been conducted to identify economic solutions for significantly delaying and/or preventing corrosion damage. Considering the amount of steel reinforcement used in bridge decks, the influence of as constructed parameters including clear spacing between top and bottom reinforcement bars, ratio of cathode to anode areas, and presence of stay-in
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Mendoza, Gomez Antonio. "Corrosion of reinforcing steel in loaded cracked concretes exposed to de-icing salts." Thesis, University of Waterloo, 2003. http://hdl.handle.net/10012/786.

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The corrosion of the reinforcing steel in concrete by de-icing salts is one of the major issues concerning the durability of reinforced concrete. Different methods have been used to protect the reinforcing steel, but still corrosion of reinforced structures continues to be a big problem causing enormous costs in their restoration and rehabilitation. The continuity of the pores of concrete plays a crucial role in the corrosion of the reinforcing steel. The ingress of corrosive species, such as chloride ions, oxygen and water, through the pores of the concrete cover cause the breakdown
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Davies, Ronald Douglas. "Non-destructive measurement of air voids at the reinforcing steel/concrete interface." Thesis, University of London, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.587063.

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Air voids are known to be sites for the initiation of corrosion in reinforcing steel bar in concrete structures. The development of suitable non-destructive methods for measuring the void content at the reinforcing steel/concrete interface would therefore provide a predictive measure of the susceptibility of a structure to future reinforcing steel corrosion, and also allow the concrete composition to be adjusted during subsequent pouring. Of particular interest here are air voids from 1 to 10 mm in size. Normal hardened concrete contains from 1 - 2 % air voids by volume. A literature survey of
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Pyc, Wioleta A. "Field Performance of Epoxy-Coated Reinforcing Steel in Virginia Bridge Decks." Diss., Virginia Tech, 1998. http://hdl.handle.net/10919/29399.

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The corrosion protection performance of epoxy-coated reinforcing steel (ECR) was evaluated in 18 concrete bridge decks in Virginia in 1997. The decks were 2 to 20 years old at the time of the investigation. The concrete bridge deck inspections included crack survey and cover depth determination in the right traffic lane. Maximum of 12 cores with the top reinforcement randomly located in the lowest 12th percentile cover depth and 3 cores with the truss bars were drilled from each bridge deck. The concrete core evaluation included visual examination and determination of carbonation depth, mo
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Bücher zum Thema "Concrete; Reinforcing Steel"

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United States International Trade Commission. Steel concrete reinforcing bars from Turkey. U.S. International Trade Commission, 1996.

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United States International Trade Commission. Steel concrete reinforcing bars from Turkey. U.S. International Trade Commission, 1997.

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Manning, David C. Reflections on steel corrosion in concrete. Research and Development Branch, Ontario Ministry of Transportation, 1991.

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ACI-ASCE Committee 408. Report on steel reinforcing bars under cyclic loads. American Concrete Institute, 2012.

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National Research Council (U.S.). Transportation Research Board., ed. Concrete bridge design and maintenance: Steel corrosion in concrete. Transportation Research Board, National Research Council, 1989.

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Hededahl, P. Field investigation of epoxy-coated reinforcing steel. Research and Development Branch, Ontario Ministry of Transportation, 1989.

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W, Gibson Frances, ed. Corrosion, concrete, and chlorides: Steel corrosion in concrete : causes and restraints. American Concrete Institute, 1987.

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Paul, Chess, ed. Cathodic protection of steel in concrete. E & FN Spon, 1998.

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Berkeley, K. G. C. Cathodic protection of reinforcement steel in concrete. Butterworths, 1990.

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Society, Concrete. Guidance for the design of steel-fibre-reinforced concrete. Concrete Society, 2007.

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Buchteile zum Thema "Concrete; Reinforcing Steel"

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Amanat, Khan Mahmud. "Coated Reinforcing Steel." In Reinforcement for Modern Concrete Structures. CRC Press, 2025. https://doi.org/10.1201/9781003585657-9.

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Hackler, Cullen. "Reactive Vitreous Enamel Coatings for Concrete Reinforcing Steel." In Advances in Porcelain Enamel Technology. John Wiley & Sons, Inc., 2010. http://dx.doi.org/10.1002/9780470640906.ch19.

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Fiertak, M., and T. Broniewski. "The Adhesion of Resin Concretes to Reinforcing Steel In Reinforced Concrete Elements." In Adhesion between polymers and concrete / Adhésion entre polymères et béton. Springer US, 1986. http://dx.doi.org/10.1007/978-1-4899-3454-3_50.

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Polder, Rob B., Marloes van Put, and Willy H. A. Peelen. "Accelerated Testing for Chloride Threshold of Reinforcing Steel in Concrete." In High Tech Concrete: Where Technology and Engineering Meet. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-59471-2_236.

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Yan, Cheng, and Sidney Mindess. "Bond Between Concrete and Steel Reinforcing Bars Under Impact Loading." In Brittle Matrix Composites 3. Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3646-4_20.

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Song, Yunzhen. "The corrosion resistance performance of reinforcing steel in autoclaved aerated concrete." In Advances in Engineering Research. Atlantis Press International BV, 2023. http://dx.doi.org/10.2991/978-94-6463-336-8_11.

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Cao, Zhong-Lu, Sheng-Dong Mi, Hao-Yu Chen, Zhong-Chun Su, Lian-Yu Wei, and Makoto Hibino. "Relationship between microcell corrosion and macrocell corrosion of reinforcing steel in concrete structures." In Green Building, Environment, Energy and Civil Engineering. CRC Press, 2016. http://dx.doi.org/10.1201/9781315375106-65.

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Yu, Z. Z., P. A. Gaydecki, I. Silva, B. T. Fernandes, and F. M. Burdekin. "Magnetic Field Imaging of Steel Reinforcing Bars in Concrete Using Portable Scanning Systems." In Review of Progress in Quantitative Nondestructive Evaluation. Springer US, 1999. http://dx.doi.org/10.1007/978-1-4615-4791-4_275.

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Yu, Hongyang, and Xiaohui Wang. "Prediction of the Lateral Ultimate Bearing Capacity of the RC Pipe Pile with Corrosion-Damaged Partial Length." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2024. https://doi.org/10.1007/978-981-97-6238-5_19.

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AbstractFor reinforced concrete (RC) pipe pile used in the high-pile wharf in the marine environment, due to the dry–wet cycling in the splash/tidal zone, corrosion of the reinforcing bars in the pipe pile often occurs in this zone. In the present paper, the lateral ultimate bearing capacity of the RC pipe pile with corrosion-damaged partial length is predicted via the finite element method. Corrosion-induced concrete cover cracking, the reduction of effective cross section and strength of steel bars, as well as the bond degradation between steel bars and concrete are considered to predict the
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Nwankwo, Chinyere O., and Jeffrey Mahachi. "Analytical and Numerical Approaches in Predicting the Flexural Behaviour of Reinforced Concrete Beams." In Lecture Notes in Civil Engineering. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-69626-8_119.

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AbstractThe structural design of buildings, bridges and all other civil engineering structures heavily relies on understanding the beam element, particularly its flexural behaviour. This chapter explores both analytical and numerical approaches to predict the flexural behaviour of reinforced concrete beams. Force equilibrium and strain compatibility equations were used for the analytical approach, while ANSYS, a finite element software, was used for the numerical approach. Comprehensive insights into the analysis, from concrete and reinforcing steel material models to mesh sensitivity analysis
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Konferenzberichte zum Thema "Concrete; Reinforcing Steel"

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Zayed, Abla M., Alberto A. Sagüés, and Rodney G. Powers. "Corrosion of Epoxy Coated Reinforcing Steel in Concrete." In CORROSION 1989. NACE International, 1989. https://doi.org/10.5006/c1989-89379.

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Abstract Corrosion behavior of epoxy coated reinforcing steel in concrete exposed to a simulated marine environment was studied. The investigation was set to determine the effect of different surface and mechanical conditions on the corrosion behavior of reinforcing steel; namely, the degree of bending, epoxy damage, surface condition of the steel, presence of cracks in concrete, and the manufacturing sequence. The experimental techniques used in this investigation were electrochemical impedance, open-circuit potential monitoring and direct examination after exposure. The epoxy coated steel be
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Berke, N. S., M. R. Dallaire, M. C. Hicks, and R. J. Hoopes. "Corrosion of Steel in Cracked Concrete." In CORROSION 1993. NACE International, 1993. https://doi.org/10.5006/c1993-93322.

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Abstract Corrosion of steel in concrete is typically studied in uncracked concrete. Field concretes, however, often have cracks that extend down to the reinforcing steel. In this paper electrochemical corrosion testing in cracked concrete of two qualities is performed and compared to the physical examination of the embedded reinforcement. The resistance to corrosion is significantly improved as the concrete properties and reinforcement cover approach that recommended in ACI 318. Calcium nitrite (DCI Corrosion Inhibitor1) additions to the concrete significantly reduce corrosion. The results ind
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Moreno, Eric I., Enrique Cob-Sarabia, and Daniel Serrano-Ixtepan. "Performance of Galvanized Reinforcing Steel in Carbonated Concrete Specimens." In CORROSION 2005. NACE International, 2005. https://doi.org/10.5006/c2005-05262.

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Abstract Concrete carbonation is the second cause of corrosion in reinforced concrete structures. In inland tropical environments, carbonation-induced corrosion would be the main corrosion mechanism in reinforced concrete. Once concrete is carbonated, plain rebars are known to corrode actively. The objective of this investigation was to study the performance of galvanized reinforcing steel as an alternative reinforcing material under those circumstances. Three different water/cement ratios were used, and two different rebars, plain rebars as controls, and galvanized rebars. The specimens were
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Bennett, J. E., and T. A. Mitchell. "Depolarization Testing of Cathodically Protected Reinforcing Steel in Concrete." In CORROSION 1989. NACE International, 1989. https://doi.org/10.5006/c1989-89373.

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Abstract This paper describes the potential decay of negatively polarized steel in concrete following the interruption of current. The theory of the current interruption technique is presented, and the adaptation of this technique for the study of steel embedded in concrete is discussed. Both laboratory and field data are presented to relate four-hour depolarization test results to several variables, such as current density, temperature, distance from the anode, static potential, steel density and time. The implications of these results on the design and operation of cathodic protection system
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Berke, N. S., and M. C. Hicks. "Long-Term Corrosion Performance of Epoxy-Coated Steel and Calcium Nitrite." In CORROSION 1998. NACE International, 1998. https://doi.org/10.5006/c1998-98652.

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Abstract Two of the most widely used corrosion protection systems for steel in reinforced concrete are epoxy-coated steel and calcium nitrite. In severe exposures to deicing or marine environments engineers often require more than one protection system, referred to as a “Belts and Suspenders” approach. In this work the performances of calcium nitrite and epoxy-coated reinforcing bars in combination and alone are documented after several years of accelerated testing in good quality concretes. The data show that calcium nitrite definitely improves the performance of epoxy-coated reinforcing bars
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Nagi, Mohamad, and Safaa Alhassan. "Long Term Performance of Galvanized Reinforcing Steel in Concrete Bridges-Case Studies." In CORROSION 2005. NACE International, 2005. https://doi.org/10.5006/c2005-05264.

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Abstract Galvanization of reinforcing steel bars is one of the techniques used to inhibit corrosion of reinforcing steel used in concrete. Hot-dip galvanized reinforcing steel bars were used in concrete bridge decks subjected to deicer salts to inhibit chloride-induced corrosion and increase the service life of concrete bridges. In this paper, procedures used to evaluate concrete bridge decks reinforced with galvanized steel were described. Relationships between water-soluble chloride concentrations in concrete and performance of the galvanized coating were evaluated. Evaluation test results o
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Sagüés, Alberto A. "Electrochemical Impedance of Corrosion Macrocells on Reinforcing Steel in Concrete." In CORROSION 1990. NACE International, 1990. https://doi.org/10.5006/c1990-90132.

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Abstract Macroscopic corrosion cells (macrocells) on reinforcing steel in concrete were investigated by electrochemical impedance spectroscopy (EIS) measurements. Segmented steel bars with individual electrical connections were cast in concrete slabs. The slabs were placed vertically in a sodium chloride solution so that only the lower portion was in contact with the liquid. The lower portions of the bars became anodes, while the upper portions acted as cathodes where oxygen reduction was predominant. The macrocell currents flowing between elements of each bar were monitored externally. EIS me
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John, D. G., D. A. Eden, J. L. Dawson, and P. E. Langford. "Corrosion Measurements on Reinforcing Steel and Monitoring of Concrete Structures." In CORROSION 1987. NACE International, 1987. https://doi.org/10.5006/c1987-87136.

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Abstract Techniques for inspection/ monitoring of the corrosion of reinforcing steel in concrete structures are at present limited to either mechanical inspection, chemical analysis and/or iso-potential ('half cell') mapping. In all cases these techniques can only provide information on the likelihood, or otherwise, of the presence of corrosion. But in particular they do not provide information on the rate or type of corrosion occurring. New electrochemical techniques have been applied which allow both corrosion rate and corrosion type (i.e. general corrosion, pitting, etc.) to be estimated. A
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Matsuoka, K., H. Kihira, S. Ito, and T. Murata. "Monitoring of Corrosion of Reinforcing Bar in Concrete." In CORROSION 1987. NACE International, 1987. https://doi.org/10.5006/c1987-87121.

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Abstract The purpose of this study is to make clear fundamental aspect of the corrosion behavior of reinforcing steel bars in concrete, and to develop an accurate monitoring method. In order to simulate the corrosion environment of concrete structures, a cyclic wetting and drying test in artificial synthetic sea water was conducted using the samples of steel plates embedded in mortar. The samples were monitored by A.C. impedance method for a month or so during the tests. The following conclusions were obtained in this study. From the impedance study of the corrosion of steel in mortar, the cor
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Funahashi, Miki, and Walter T. Young. "Investigation of 100Mv Polarization Shift Criterion for Reinforcing Steel in Concrete." In CORROSION 1992. NACE International, 1992. https://doi.org/10.5006/c1992-92193.

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Abstract Use of valid cathodic protection criteria to effectively mitigate corrosion of reinforcing steel in concrete is extremely important. Experiments have been conducted to investigate the 100mV polarization shift criterion for steel in concrete. Based on the kinetics of steel corrosion in concrete and mitigation of corrosion current, the validity of the 100 mV polarization shift was studied on laboratory specimens with three different chloride concentrations, temperatures and moisture contents of the concrete.
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Berichte der Organisationen zum Thema "Concrete; Reinforcing Steel"

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Escalante, E., E. Whitenton, and F. Qiu. Measuring the corrosion rate of reinforcing steel concrete - final report. National Bureau of Standards, 1986. http://dx.doi.org/10.6028/nbs.ir.86-3456.

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2

Cleary, Douglas, and J. Ramirez. Bond of Epoxy Coated Reinforcing Steel in Concrete Bridge Decks : Informational Report. Purdue University, 1989. http://dx.doi.org/10.5703/1288284314165.

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3

Baxter, J. T. 221-U Facility concrete and reinforcing steel evaluations specification for the canyon disposition initiative (CDI). Office of Scientific and Technical Information (OSTI), 1998. http://dx.doi.org/10.2172/362486.

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4

Ko, Yu-Fu, and Jessica Gonzalez. Effects of Low-Cycle Fatigue Fracture of Longitudinal Reinforcing Steel Bars on the Seismic Performance of Reinforced Concrete Bridge Piers. Mineta Transportation Institute, 2024. http://dx.doi.org/10.31979/mti.2024.2328.

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Earthquakes, which can cause tremendous local stress and strain on infrastructure, can cause reinforced concrete (RC) bridges to collapse due to the concrete cracking and fracture of the steel reinforcement rebars. The fracture of longitudinal reinforcing steel due to low-cycle fatigue is one of the main causes of failure in RC structures under earthquake loading. The purpose of this research is to include the effects of low-cycle fatigue fracture of longitudinal reinforcing steel bars on the seismic performance of reinforced concrete bridge piers. To obtain a greater understanding of low-cycl
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5

McInerney, Michael, Matthew Brenner, Sean Morefield, Robert Weber, and John Carlyle. Acoustic nondestructive testing and measurement of tension for steel reinforcing members. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/42181.

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Many concrete structures contain internal post-tensioned steel structural members that are subject to fracturing and corrosion. The major problem with conventional tension measurement techniques is that they use indirect and non-quantitative methods to determine whether there has been a loss of tension. This work developed an acoustics-based technology and method for making quantitative tension measurements of an embedded, tensioned steel member. The theory and model were verified in the laboratory using a variety of steel rods as test specimens. Field tests of the method were conducted at thr
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6

Ramirez, Julio A., and Luis A. Quesada Jimenez. Synthesis Study: Review of Durability and Performance of the Latest Epoxy-Coated Rebar. Purdue University, 2025. https://doi.org/10.5703/1288284317844.

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The use of de-icing salts on roads during the winter months has caused corrosion damage to bridge reinforcements, which has increased maintenance costs. The corrosion protection system most widely used by various State Departments of Transportation is a combination of quality concrete, adequate cover, and fusion bonded epoxy-coated reinforcing bars. This report contains a summary of the latest developments in the fabrication and use of fusion epoxy-coated and Allium (stainless steel coated) reinforcing steel within concrete bridge decks and one-way solid slab and T-beam bridges. The study find
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7

Weiss, Charles, William McGinley, Bradford Songer, Madeline Kuchinski, and Frank Kuchinski. Performance of active porcelain enamel coated fibers for fiber-reinforced concrete : the performance of active porcelain enamel coatings for fiber-reinforced concrete and fiber tests at the University of Louisville. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/40683.

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A patented active porcelain enamel coating improves both the bond between the concrete and steel reinforcement as well as its corrosion resistance. A Small Business Innovation Research (SBIR) program to develop a commercial method for production of porcelain-coated fibers was developed in 2015. Market potential of this technology with its steel/concrete bond improvements and corrosion protection suggests that it can compete with other fiber reinforcing systems, with improvements in performance, durability, and cost, especially as compared to smooth fibers incorporated into concrete slabs and b
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Hajj, Ramez, Nishant Garg, Jacob Doehring, Abhilash Vyas, Babak Asadi, and Yujia Lu. Using Microcapsules and Bacteria for Self-Healing in Rigid and Flexible Pavements. Illinois Center for Transportation, 2023. http://dx.doi.org/10.36501/0197-9191/23-001.

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Cracking is one of the most critical distresses experienced by pavement infrastructure. Both flexible and rigid pavement cracking allow for water intrusion, which can in turn cause freeze–thaw damage and structural issues, causing premature failure. In addition, rigid pavements suffer from corrosion of reinforcing steel, which impedes the ability of the steel to resist deformation of the surface layer. One proposed technology to mitigate such cracking is the engineering of self-healing materials in pavements that can autogenously heal damage at the microscale. However, these technologies are n
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9

Nema, Arpit, and Jose Restrep. Low Seismic Damage Columns for Accelerated Bridge Construction. Pacific Earthquake Engineering Research Center, University of California, Berkeley, CA, 2020. http://dx.doi.org/10.55461/zisp3722.

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This report describes the design, construction, and shaking table response and computation simulation of a Low Seismic-Damage Bridge Bent built using Accelerated Bridge Construction methods. The proposed bent combines precast post-tensioned columns with precast foundation and bent cap to simplify off- and on-site construction burdens and minimize earthquake-induced damage and associated repair costs. Each column consists of reinforced concrete cast inside a cylindrical steel shell, which acts as the formwork, and the confining and shear reinforcement. The column steel shell is engineered to fa
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Tehrani, Fariborz. Strategized Reduction of Greenhouse Gas Emissions Through Predicting and Extending the Service Life of Concrete Pavements and Bridges. Mineta Transportation Institute, 2025. https://doi.org/10.31979/mti.2025.2447.

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Strong, durable concrete is key to resilient, long-lasting transportation infrastructure—especially in the face of climate change. This project explores innovative strategies for predicting and enhancing the service life of concrete in pavement and bridge systems, addressing the pressing need for sustainable transportation infrastructure. As concrete is pivotal to the durability and resilience of such structures, its environmental impact demands urgent attention. This project aims to reduce greenhouse gas emissions throughout their lifecycle by extending the service life of concrete pavements
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