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Dissertations / Theses on the topic 'Corrosion in reinforced concrete'

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Published: 4 June 2021

Last updated: 1 February 2022

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1

Leyne, Eileen. "Corrosion in reinforced concrete repair." Thesis, McGill University, 2004. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=82611.

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Lack of a scientific design approach for repair and rehabilitation of corroding reinforced concrete infrastructure has resulted in significant financial and social costs. This experimental program was primarily undertaken to examine the corrosion process in reinforced concrete repair, which has different characteristics as compared with corrosion in new construction. The program was designed to gain a deeper understanding of how certain restoration strategies may lead to problems of electrochemical incompatibility and result in ineffective corrosion mitigation.<br>Fifteen specimens, 1m

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2

Katwan, Moufaq Jassem. "Corrosion fatigue of reinforced concrete." Thesis, University of Glasgow, 1988. http://theses.gla.ac.uk/5327/.

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This work is concerned with the corrosion fatigue characteristics of full-scale reinforced concrete beams partially submerged in 3.5% NaCl solution or in tapwater of low dissolved salt content. The test beams were subjected to constant amplitude fatigue loading in uni-directional or reverse bending at slow cycle rate of 0.17 Hz and various load levels. The test programme had two stages: Stage I, carried out at relatively high load levels, represented a study of the fatigue-failure phenomenon but also provided guides for the more detailed study undertaken in Stage II which was devoted to low lo

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3

Saifullah, Mohammad. "Effect of reinforced corrosion on bond strength in reinforced concrete." Thesis, University of Birmingham, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.496283.

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Premature deterioration of reinforced/prestressed concrete structures due to corrosion is of considerable current concern. One detrimental effect of corrosion of reinforcing/prestressing steel is the reduction of bond between steel and concrete due to the development of corrosion products at the interface. This thesis examines the influence of localized corrosion of reinforcing bars/ untensioned prestressing strands on their bond strength in concrete. In addition, an analytical study is conducted in order to investigate the complex behaviour due to cracking of cover concrete, non-uniform corro

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4

Metaferia, Ineku Amhayesus. "Characterization of Steel Corrosion Products in Reinforced Concrete." Thesis, Université d'Ottawa / University of Ottawa, 2021. http://hdl.handle.net/10393/42128.

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Steel corrosion is one of the major distress mechanisms that causes the deterioration of reinforced concrete structures around the world. It is an electrochemical reaction between the reinforcing steel and the surrounding concrete that produces a mass loss of the metal. Through the process of corrosion in reinforced concrete, iron ions get oxidized to form corrosion products (CP). Although multiple experiments and studies have been developed to understand the rheological behavior of corrosion products, this topic stays inconclusive. This work aims to characterize corrosion products at micro-sc

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5

Stanish, Kyle David. "Corrosion effects on bond strength in reinforced concrete." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp04/mq29397.pdf.

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6

Licardie, Giezi A. "Aggressive chlorine induced corrosion of embedded reinforced concrete /." Available to subscribers only, 2005. http://proquest.umi.com/pqdweb?did=1079666041&sid=2&Fmt=2&clientId=1509&RQT=309&VName=PQD.

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7

Lawson, K. "Corrosion monitoring and protective coating of reinforced concrete." Thesis, University of Manchester, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.292460.

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8

Christodoulou, Christian. "Repair and corrosion management of reinforced concrete structures." Thesis, Loughborough University, 2013. https://dspace.lboro.ac.uk/2134/13577.

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The durability of concrete structures is affected by a number of factors such as environmental exposure, electrochemical reactions, mechanical loading, impact damage and others. Of all of these, corrosion of the reinforcement is probably the main cause for the deterioration of steel reinforced concrete (RC) structures. Corrosion management is becoming increasingly necessary as a result of the growing number of ageing infrastructure assets (e.g. bridges, tunnels etc.) and the increased requirement for unplanned maintenance in order to keep these structures operational throughout their design li

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9

Anstice, D. J. "Corrosion inhibitors for the rehabilitation of reinforced concrete." Thesis, Aston University, 2000. http://publications.aston.ac.uk/14159/.

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Four corrosion inhibitors namely sodium nitrite, sodium monofluorophosphate, ethanolamine and an alkanolamine-based mixture were studied by immersing mild steel bars for 42 days in model electrolytes of varied pH and chloride concentration which were intended to simulate the pore solution phase present within carbonated and/or chloride-contaminated concrete. Site trials were carried out on sodium monofluorophosphate and the alkanolamine-based inhibitor to study their depth of penetration into concrete. The influence of various carbonating atmospheres on the pore solution chemistry and microstr

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10

Milman, Ioulia. "CFRP wraps for corrosion repair of reinforced concrete columns and corrosion monitoring." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ58671.pdf.

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11

Ji, Chen Hui 1967. "Design of reinforced concrete elements for durability against corrosion." Thesis, McGill University, 2003. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=80112.

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The main objective of this research is to establish durability design models for flexural concrete elements subjected to a given aggressive environment. Because corrosion of reinforcement due to chloride ingress is the most significant threat to an existing reinforced concrete structure such as a road bridge or a harbor facility which is exposed to chloride-rich environments, corrosion due to chloride ingress is emphasized in this research. The concrete beams can get corroded to different corrosion levels. Mass loss of the reinforcement is an important parameter, and it can help define

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12

Sun, Jianhui. "Probabilistic analysis of reinforced concrete bridge girders under corrosion." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0004/MQ42210.pdf.

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13

Brown, Michael Carey. "Assessment of Commercial Corrosion Inhibiting Admixtures for Reinforced Concrete." Thesis, Virginia Tech, 1999. http://hdl.handle.net/10919/36386.

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Corrosion of reinforcing steel in concrete exposed to chloride-laden environments is a well-known and documented phenomenon. The need for cost effective systems for protection against corrosion has become increasingly clear since the first observations of severe corrosion damage to interstate bridges in the 1960's. As one potential solution to the mounting problem of corrosion deterioration of structures, corrosion-inhibiting admixtures have been researched and introduced into service. This report conveys the results of a three-part laboratory study of corrosion inhibiting admixtures in con

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14

Penumatsa, Gowtham Penumatsa. "Corrosion Detection in Reinforced Concrete Using Acoustic Emission Technique." University of Toledo / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1462898129.

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15

Gao, Zhicheng. "Corrosion Damage of Reinforcement Embedded in Reinforced Concrete Slab." University of Akron / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=akron1478174479305336.

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16

Hristova, Roumiana. "Evaluation of corrosion inhibitors in chloride-contaminated reinforced concrete." Thesis, University of Ottawa (Canada), 1996. http://hdl.handle.net/10393/10389.

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The report describes research to determine the effectiveness of commercial corrosion-inhibiting admixtures on the corrosion of reinforcing steel in chloride contaminated concrete. Domestic and foreign publications were reviewed to locate performance data and current practices related to the use, testing and evaluation of corrosion inhibiting admixtures. The study consisted of identification and evaluation of the currently used corrosion-inhibiting admixtures in the United States and other countries. A list of available corrosion-inhibiting admixtures were appraised. Consideration was given to

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17

Chen, Liquan. "Steel corrosion sensing and chloride control in concrete structures /." View abstract or full-text, 2008. http://library.ust.hk/cgi/db/thesis.pl?CIVL%202008%20CHEN.

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18

Thistlethwaite, Christopher. "Behaviour of massive reinforced concrete sections in seawater." Thesis, University of Dundee, 2014. https://discovery.dundee.ac.uk/en/studentTheses/4819cd1e-a5ce-48c2-a982-874196b3e8d9.

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This study combined research available through literature with extensive experimental studies and substantial physical modelling to estimate the remaining ultimate life of large offshore reinforced concrete structures. Although much research has focussed on concrete degradation due to chloride ingress, corrosion of permanently submerged concrete is regarded as negligible due to the long-assumed apparent worst case of tidal or splash zone exposure. Around 350 specimens were tested with a further 200 exposed for further testing by future research groups. Specimens ranged in size from standard cu

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19

Busba, Ezeddin Rafaa. "Effect of Localized Corrosion of Steel on Chloride-Induced Concrete Cover Cracking in Reinforced Concrete Structures." Scholar Commons, 2013. http://scholarcommons.usf.edu/etd/4872.

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Abstract: Concrete cover cracking due to reinforcement corrosion is widely accepted as a limit-state indicator in defining the end of functional service life for existing reinforced concrete (RC) structures undergoing corrosion. Many of the currently available durability prediction models are incapable of providing realistic estimates of remaining service lives of RC structures beyond the corrosion initiation point. Therefore, the need to incorporate the length of the corrosion propagation stage in a comprehensive durability prediction approach has recently received much research attention. Pr

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20

Gurusamy, K. "The marine durability of steel fibre reinforced concrete." Thesis, University of Aberdeen, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.234802.

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21

Nokhasteh, Mohammad-Ali. "Corrosion damaged reinforced concrete beams with debonded tensile span reinforcement." Thesis, University College London (University of London), 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.294542.

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22

Oleiwi, H. M. "Using cathodic protection to control corrosion of reinforced concrete structures." Thesis, University of Salford, 2018. http://usir.salford.ac.uk/47895/.

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Cathodic protection (CP) has been increasingly used on reinforced concrete structures to protect steel reinforcement from corrosion. However, due to the complexity of environmental conditions, the specifications in national and international standards are still open to discussion in engineering practices for their accurate suitability. To some extent, the design aspects are still based on practical experience. It implies a great deal of estimations and assumptions. The research conducted in the thesis aims to address some of these challenges. To obtain reliable experimental results, the presen

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23

Lewis, Jeremy D. "The Effects of Corrosion on Reinforced Concrete with Fiber Addition." University of Akron / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=akron1355171708.

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24

Heiyantuduwa, Rukshani. "Performance of a penetrating corrosion inhibitor in controlling carbonation induced corrosion in reinforced concrete." Master's thesis, University of Cape Town, 2001. http://hdl.handle.net/11427/11581.

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Includes bibliography.<br>Reinforcement corrosion in concrete remains the most serious cause of premature deterioration of concrete structures world-wide, and many methods have been proposed to combat this problem. One method of improving the durability of concrete in aggressive environments is the use of corrosion inhibitors. In this work the effectiveness of an organic penetrating corrosion inhibitor in reducing the rate of corrosion and delaying the onset of corrosion in carbonated concrete is discussed, with reference to corrosion rates.

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25

Yan, Fei. "GFRP Bars in Concrete toward Corrosion-free RC Structures: Bond Behavior, Characterization, and Long-term Durability Prediction." Diss., North Dakota State University, 2016. http://hdl.handle.net/10365/25864.

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Corrosion of steel reinforcements is the leading causes of malfunction or even failures of reinforced concrete (RC) structures nationwide and worldwide for many decades. This arises up to substantial economic burden on repairs and rehabilitations to maintain and extend their service life of those RC public projects. The inherent natures of glass fiber-reinforced polymers (GFRP) bars, from their superior corrosion resistance to high strength-to-weight ratio, have promoted their acceptance as a viable alternative for steel reinforcement in civil infrastructures. Comprehensive understanding of th

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26

Gastebled, Olivier J. "Fracture in reinforced concrete : computational and analytical studies." Thesis, Heriot-Watt University, 1999. http://hdl.handle.net/10399/1238.

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27

Phanasgaonkar, Alka 1956. "Diffusion and protection mechanisms of migratory corrosion inhibitors in reinforced concrete." Monash University, Dept. of Materials Engineering, 2000. http://arrow.monash.edu.au/hdl/1959.1/9200.

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28

Lee, Cathy. "Accelerated corrosion and repair of reinforced concrete columns using CFRP sheets." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0005/MQ34118.pdf.

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29

Dugarte, Margareth. "Polarization of Galvanic Point Anodes for Corrosion Prevention in Reinforced Concrete." Scholar Commons, 2010. http://scholarcommons.usf.edu/etd/3466.

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The polarization performance of two types of commercial galvanic point anodes for protection of reinforced steel around patch repairs was investigated. Experiments included measurement of the polarization history of the anode under constant current impressed by galvanostatic circuits and in reinforced concrete slabs. The tests revealed, for both types of anodes, a potential-current function (PF) indicating relatively little anodic polarization from an open circuit potential at low current levels, followed by an abrupt increase in potential as the current approached an apparent terminal value.

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30

Bajaj, Srikanth. "Effect of Corrosion on Physical and Mechanical Properties of Reinforced Concrete." University of Akron / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=akron1353961865.

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31

Kubo, Junichiro. "Methods of remedial treatment for carbonation-induced corrosion of reinforced concrete." Thesis, University of Leeds, 2007. http://etheses.whiterose.ac.uk/277/.

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The importance of carbonation-induced corrosion has grown in recent years owing to the increasing age of reinforced concrete structures. Among the various remedial treatments for the alleviation of the deterioration process, applications of corrosion inhibitors and surface coatings are highlighted in this thesis owing to their ease of practical application to such structures as railway viaducts. The factors that may enhance the effectiveness of the above two methods in terms of retardation of embedded steel corrosion have investigated as follows: (1) Electrochemical injection of corrosion inhi

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32

Elgarf, Mahmoud Sabry Abdelwahhab. "The effect of reinforcement corrosion on the structural performance of concrete flexural members." Thesis, Available from the University of Aberdeen Library and Historic Collections Digital Resources, 2004. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?application=DIGITOOL-3&owner=resourcediscovery&custom_att_2=simple_viewer&pid=59721.

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33

Liu, Youping. "Modeling the Time-to Corrosion Cracking of the Cover Concrete in Chloride Contaminated Reinforced Concrete Structures." Diss., Virginia Tech, 1996. http://hdl.handle.net/10919/30541.

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Significant factors on steel corrosion in chloride contaminated reinforced concrete and time-to-corrosion cracking were investigated in this study. Sixty specimens were designed with seven admixed chloride contents, three concrete cover depths, two reinforcing steel bar diameters, two exposure conditions, and a typical concrete with water to cement ratio of 0.45. Corrosion current density (corrosion rate), corrosion potential, ohmic resistance of concrete and temperature were measured monthly on these specimens using both the 3LP and Gecor devices. Metal loss measurements were performed in acc

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34

Zhong, Jian Zhong. "Development of test methods for assessment of chloride diffusion resistance of surface treatment on concrete." Thesis, Imperial College London, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.267130.

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35

Cromie, James Alexander. "Modelling the electrochemical rehabilitation of chloride contaminated reinforced concrete bridge structures." Thesis, University of Ulster, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.342317.

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36

Wong, Ha Hang Aaron. "Buckling and stability of slender reinforced concrete deep beams." Thesis, University of Newcastle Upon Tyne, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.279763.

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37

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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38

Zhao, Li. "SPATIAL RELIABILITY ANALYSIS FOR CORRODED REINFORCED CONCRETE STRUCTURES." University of Akron / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=akron1479123930240399.

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39

El-Nemr, Amr Maher. "Serviceability of concrete members reinforced with FRP bars." Thèse, Université de Sherbrooke, 2013. http://hdl.handle.net/11143/6124.

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La détérioration des infrastructures au Canada due à la corrosion des armatures est l'un des défis majeurs de l'industrie de la construction. Les progrès récents dans la technologie des polymères ont conduit au développement d'une nouvelle génération de barres d'armature à base de fibres renforcées de polymères (PRF), (en particulier les fibres de verre). Ces barres, résistant à la corrosion, ont montré un grand potentiel d'utilisation pour mieux protéger les infrastructures en béton armé contre les effets dévastateurs de la corrosion. Avec la publication du nouveau code S807-10 "Spécification

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40

Adiyastuti, Sri Murti Civil &amp Environmental Engineering Faculty of Engineering UNSW. "Influence of cracks on chloride induced corrosion in reinforced concrete flexural members." Awarded by:University of New South Wales. School of Civil and Environmental Engineering, 2005. http://handle.unsw.edu.au/1959.4/31878.

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The penetration of chloride ions plays a crucial role in reinforcement corrosion and affects the durability and service life of marine structures. The problem is even more acute once cracking occurs in a concrete member. The presence of cracks is shown to have a significant impact on chloride penetration into concrete. It has been recognized, for concrete cracked in flexure, the chloride diffusion coefficient in the tension zone is higher than that in the compression zone. Even a single crack in the tensile zone could contribute to a higher diffusion coefficient compared to that of uncracked m

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41

Schokker, A. J. "Improving corrosion resistance of post-tensioned substructures emphasizing high performance grouts /." Digital version accessible at:, 1999. http://wwwlib.umi.com/cr/utexas/main.

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42

Prowell, Brian D. "The evaluation of corrosion inhibitors for the repair and rehabilitation of reinforced concrete bridge components." Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-09292009-020105/.

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43

Hackl, Jürgen. "Generic Framework for Stochastic Modeling of Reinforced Concrete Deterioration Caused by Corrosion." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for konstruksjonsteknikk, 2013. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-23861.

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Reinforced concrete structures constitute an important fraction of the building infrastructure. This infrastructure is aging and a large number of structures will exceed the prescribed service period in the next decades. The aging of concrete structures is often accompanied by correspondent deterioration mechanisms. One of the major deterioration mechanisms is the corrosion of the reinforcing steel, caused by chloride ions or carbon dioxide exposure.The decisions, made in connection to possible repair or renewals of these structures, have major implications on safety and cost efficiency in a

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44

Tang, Denglei, and Denglei Tang@gmail com. "Influence of Chloride-induced corrosion cracks on the strength of reinforced concrete." RMIT University. Civil, Environmental and Chemical Engineering, 2008. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20080530.091350.

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In marine environments and where de-icing salts are applied, the degradation of reinforced concrete structures due to chloride induced corrosion of the reinforcement is a major problem. The expansive nature of the corrosion process results in cracking of the concrete and eventually spalling. In order to select suitable remedial measures it is necessary to make an assessment of the residual strength and the residual life. In order to investigate the effect of corrosion on bond strength of the reinforcement, specimens comprising square prismatic sections containing steel reinforcement in t

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45

Sajedi, Siavash. "RELIABILITY-BASED DESIGN OPTIMIZATION OF CORROSION MANAGEMENT STRATEGIES FOR REINFORCED CONCRETE STRUCTURES." University of Akron / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=akron1503333406583485.

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46

Khalid, Nibras Nizar. "STRENGTH REDUCTION OF REINFORCED CONCRETE COLUMNS SUBJECTED TO CORROSION RELATED COVER SPALLING." University of Akron / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=akron152536559529405.

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47

Theron, Gavin De Vos. "Effects of reinforcement corrosion on the structural performance of reinforced concrete beams." Master's thesis, University of Cape Town, 1994. http://hdl.handle.net/11427/18238.

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This dissertation is an investigation into the effect of reinforcement corrosion on the structural performance of reinforced concrete beams. Two types of specimens are investigated, the first without any stirrups and the second with stirrups. The specimens were corroded galvanostatically as well as by subjecting them to alternate cycles of wetting and drying with a saline water. An attempt is made at classifying the extent of corrosion of the reinforcing steel and its effects on the concrete. The effect of the corrosion on the structural performance is measured by establishing its effect on th

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48

Tian, Xiaoping. "Modeling reinforced concrete cracking due to corrosion with a fracture mechanics approach." Thesis, University of Ottawa (Canada), 2006. http://hdl.handle.net/10393/27300.

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With the increasing need of developing service life models for corrosion-induced damage in reinforced concrete structures, there has been a movement to model the concrete cover as a thick-wall cylinder subjected to an internal pressure due to corrosion products accumulation on the reinforcing steel. These models allow determining the amount of corrosion product necessary to initiate and propagate cracks along the cover. The first generation of models assume that concrete behaves linearly elastic and that the concrete cover does not have any residual tensile capacity once the tensile strength o

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49

Graeff, Ângela Gaio. "Avaliação experimental e modelagem dos efeitos estruturais da propagação da corrosão em elementos de concreto armado." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2007. http://hdl.handle.net/10183/10389.

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O concreto armado era tido, quando da sua concepção inicial, como um material que teria boa durabilidade e uma vida útil elevada, praticamente dispensando reparos. Com a intensificação de seu uso, todavia, começaram a serem observados diversos processos de deterioração que resultaram, nos casos mais críticos, em severos comprometimentos de desempenho ou falhas prematuras. Dentre as manifestações patológicas que mais transtorno e prejuízos causam às estruturas civis, destaca-se a corrosão de armaduras, por sua elevada incidência e potencial de dano. Embora já exista um considerável número de pe

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50

Keown, Paul Geoffrey. "Investigation of the shear characteristics of reinforced concrete continuous beams." Thesis, Queen's University Belfast, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.326345.

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