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Dissertations / Theses on the topic 'Cathodic protection in reinforced concrete'

Author: Grafiati

Published: 4 June 2021

Last updated: 15 February 2022

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1

Hassanein, Alea El Din Mohamed. "Intermittent cathodic protection of reinforced concrete structures." Thesis, Imperial College London, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.287182.

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2

Etcheverry, Leandro. "Evaluation of cathodic protection systems for marine bridge substructures /." Digital version accessible at:, 1998. http://wwwlib.umi.com/cr/utexas/main.

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3

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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4

Weale, Christopher J. "Cathodic protection of reinforced concrete: anodic processes in cements and related electrolytes." Thesis, Aston University, 1992. http://publications.aston.ac.uk/14306/.

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The nature and kinetics of electrode reactions and processes occurring for four lightweight anode systems which have been utilised in reinforced concrete cathodic protection systems have been studied. The anodes investigated were flame sprayed zinc, conductive paint and two activated titanium meshes. The electrochemical properties of each material were investigated in rapidly stirred de-oxygenated electrolytes using anodic potentiodynamic polarisation. Conductive coating electrodes were formed on glass microscope slides, whilst mesh strands were immersed directly. Oxygen evolution occurred pre

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5

Williams, Kevin. "Feasibility of Application of Cathodic Prevention to Cracked Reinforced Concrete in Marine Service." Scholar Commons, 2014. https://scholarcommons.usf.edu/etd/5333.

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Corrosion can take place as chloride ions accumulate above a critical concentration (CT) at the surface of a reinforcing bar inside concrete in marine service. The initiation of corrosion can be delayed by polarizing the steel cathodically, which is known to increase the value of CT. That effect is the basis of the cathodic prevention (CPrev) method to control corrosion of reinforcing steel in concrete. However, concrete cracks are a common occurrence and at cracks, the buildup of chloride ions is accelerated to the extent that CPrev may be less effective. The findings from an ongoing investig

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6

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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7

Das, S. C. "Zinc rich paint as anode system for cathodic protection (CP) of reinforced concrete structures and development of corrosion/CP monitoring probes." Thesis, Coventry University, 2012. http://curve.coventry.ac.uk/open/items/5f6b4228-1557-4cf8-bebd-97b5b70bb594/1.

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Since mid-80‟s cathodic protection (CP) has been recognised as the „‟only technique known to stop corrosion regardless of the levels of chloride contamination in concrete‟‟ (FHWA, 1982) and is proved to be the most cost effective means to extend the useful life of the structure. Cathodic protection is an electrochemical technique to stop/mitigate corrosion by supplying „current‟ from an external source in order to suppress the „internally generated‟ current flow due to corrosion processes. The „external‟ current source could be obtained simply by coupling the steel to another electrochemically

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8

Rohaya, Abdul Malek. "Assessment of Chloride Induced Corrosion and Impressed Current Cathodic Protection Conditions in Repaired Reinforced Concrete." Kyoto University, 2018. http://hdl.handle.net/2433/231995.

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9

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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10

Holmes, Steven. "An investigation into the practical and theoretical aspects of hybrid cathodic protection." Thesis, Loughborough University, 2012. https://dspace.lboro.ac.uk/2134/12280.

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Galvanic anode technology has in recent years come to the fore as a cost-effective method of successfully mitigating the corrosion of reinforcing steel in concrete structures. Developments in the field of cathodic protection have included the introduction of a novel Hybrid anode system, which uses the same sacrificial anode to pass a short-term impressed current before being connected to the steel directly to provide a long-term galvanic current. Galvanic and hybrid technologies are often seen as less powerful solutions in the treatment of reinforcement corrosion, and the test methodologies wh

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11

Sassine, Elie. "Protection cathodique du béton armé par revêtement electro-conducteur autonome." Thesis, Toulouse, INSA, 2018. http://www.theses.fr/2018ISAT0007/document.

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La protection cathodique par courant imposé (PCCI) est l’une des techniques adoptées pour limiter ou annihiler la corrosion dans le béton armé. Le but de cette thèse est de développer des revêtements suffisamment conducteurs et autonomes pour s’affranchir de l’utilisation des anodes primaires métalliques lors de la PCCI. Ce mémoire est formé de quatre parties principales :I. La première partie résume la recherche bibliographique réalisée. II. Cette partie sera consacrée à la formulation des revêtements électro-conducteurs par dispersion des poudres-pigmentaires conductrices (métallique ou carb

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12

Aguilar, Julio Ivan. "Advances in Fiber Reinforced Polymer Repair Incorporating Cathodic Protection." Scholar Commons, 2011. http://scholarcommons.usf.edu/etd/2976.

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This dissertation presents findings from two disparate research projects relating to the cathodic protection (CP) of piles supporting bridge elements. The first was a proof of concept study for developing a new hybrid pile repair system incorporating embedded sacrificial zinc anodes within a fiber reinforced polymer (FRP) wrap. The second was to develop and remotely monitor the performance of magnesium anodes protecting steel H-piles supporting two bridges in Florida. The hybrid FRP-CP system involved a proof-of-concept laboratory study to refine pressure / vacuum bagging systems for pile repa

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13

Sa'id-Shawqi, Qaisar Husam. "Assessment and prediction by mathematical modelling of electrochemical chloride removal from concrete." Thesis, London South Bank University, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.265283.

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This project was carried out to develop a better understanding of "Electrochemical Chloride Removal (also known as Desalination), a relatively new technique for rehabilitating reinforced concrete structures suffering from chloride induced corrosion. The factors influencing chloride removal were investigated and a mathematical model for predicting the spatial distribution of chloride in the concrete at the end of the treatment was developed. To investigate the factors influencing chloride removal, concrete prisms containing varying levels of admixed sodium chloride and number of steel bars were

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14

Srour, Mahdi. "Rocking system for seismic protection of reinforced concrete structures." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2012. http://amslaurea.unibo.it/3255/.

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15

Bumgardner, Jacob Dharma. "Feasibility of Cathodic Protection in Grouted Post Tensioned Tendons - Exploratory Model Calculations." Scholar Commons, 2015. http://scholarcommons.usf.edu/etd/5918.

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Recent corrosion related failures of grouted post tensioned tendons, even after the introduction of improved grouts, have led to renewed interest in supplemental or backup means of corrosion control for these systems. A finite element model is presented to explore feasibility of impressed current cathodic protection of strand in grouted tendons. The model examines polarization evolution as function of service time and includes consideration of anode placement and size, grout porosity, pore water alkalinity, electrochemical species diffusivity and applied voltage on the polarization efficacy an

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16

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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17

Walsh, Michael Thomas. "Corrosion of Steel in Submerged Concrete Structures." Scholar Commons, 2015. http://scholarcommons.usf.edu/etd/6048.

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This investigation determined that severe corrosion of steel can occur in the submerged portions of reinforced concrete structures in marine environments. Field studies of decommissioned pilings from actual bridges revealed multiple instances of strong corrosion localization, showing appreciable local loss of steel cross-section. Quantitative understanding of the phenomenon and its causes was developed and articulated in the form of a predictive model. The predictive model output was consistent with both the corrosion rate estimates and the extent of corrosion localization observed in the fiel

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18

Cassidy, Eric Dana. "Development and Structural Testing of FRP Reinforced OSB Panels for Disaster Resistant Construction." Fogler Library, University of Maine, 2002. http://www.library.umaine.edu/theses/pdf/CassidyED2002.pdf.

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19

Morales-Cruz, Cynthia [Verfasser], Michael [Akademischer Betreuer] Raupach, and Jeanette [Akademischer Betreuer] Orlowsky. "Crack-distributing carbon textile reinforced concrete protection layers / Cynthia Morales Cruz ; Michael Raupach, Jeanette Orlowsky." Aachen : Universitätsbibliothek der RWTH Aachen, 2020. http://d-nb.info/122843302X/34.

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20

Venkata, Vijai Kumar. "Development and testing of hurricane resistant laminated glass fiber reinforced composite window panels /." free to MU campus, to others for purchase, 2004. http://wwwlib.umi.com/cr/mo/fullcit?p1426111.

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21

Triantafyllidis, Zafeirios. "Structural enhancements with fibre-reinforced epoxy intumescent coatings." Thesis, University of Edinburgh, 2017. http://hdl.handle.net/1842/29514.

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Epoxy intumescent coatings are fire protection systems for steel structural elements that are widely used in applications that protection from severe hydrocarbon fires is required, such as oil and gas facilities. These polymer coatings react upon heating and expand into a thick porous char layer that insulates the protected steel element. In the typical fire scenarios for these applications, the intumescent coatings must resist very high heat fluxes and highly erosive forces from ignited pressurised gases. Hence, continuous fibre reinforcement is embedded in the thick epoxy coating during inst

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22

Mir, Zahid Mohammad [Verfasser], Mikhail [Akademischer Betreuer] Zheludkevich, Stephan [Gutachter] Wulfinghoff, and Wolfgang [Gutachter] Weber. "Numerical and Experimental Investigations on Corrosion and Self-Protection Processes in Reinforced Concrete / Zahid Mohammad Mir ; Gutachter: Stephan Wulfinghoff, Wolfgang Weber ; Betreuer: Mikhail Zheludkevich." Kiel : Universitätsbibliothek Kiel, 2021. http://d-nb.info/1240674325/34.

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23

Azad, Ali Bawan, and Sara Ahmadiyan. "Livslängdsdimensionering av korrosionsutsatta betongkonstruktioner." Thesis, KTH, Byggteknik och design, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-255606.

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Through history, iron has mainly been used as reinforcement in concrete. Contemporary building technology would not have been possible without reinforced concrete, however, from a global perspective, many concrete buildings have begun to encounter reinforcement corrosion, mainly due to chlorides and carbonation. When the chlorides come into contact with the reinforcing bars, a chemical reaction begins, which causes the iron to oxidize and begin to corrode. In a humid environment when the reinforcement corrodes, the iron expands and bursts the concrete from inside, which in turn results in crac

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24

Medeiros, Marcelo Henrique Farias de. "Contribuição ao estudo da durabilidade de concretos com proteção superficial frente à ação de íons cloretos." Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/3/3146/tde-20072009-174802/.

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Atualmente, sabe-se que nenhum material estrutural é eternamente durável devido à ação dos agentes ambientais sobre seus componentes. No caso das estruturas de concreto armado, iniciou-se, a partir da década de 70, uma crescente preocupação com a sua deterioração e durabilidade. As soluções mais estudadas geralmente seguem a linha de melhorar as propriedades do concreto para o aumento da durabilidade da estrutura, que se trata, sem dúvida, de uma das possíveis soluções para o problema. Contudo, este trabalho aborda o aumento da durabilidade de outra forma, ou seja, tratando a superfície do con

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25

Ousset, Isabelle. "Contribution à la modélisation par éléments finis des structures en béton armé soumises à des avalanches de neige : Application à la structure de protection de Taconnaz." Thesis, Lyon, INSA, 2015. http://www.theses.fr/2015ISAL0051/document.

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En zone de montagne, les avalanches de neige menacent les personnes et également les structures de génie civil. Ce travail de thèse se focalise sur une structure de protection en BA (Béton Armé) de type mur en L. L'objectif est de caler et valider un modèle EF (Elément Fini) 2D afin d'étudier le comportement de tels ouvrages sous l'effet de champs de pression induits par des avalanches de neige dense et d'évaluer leur vulnérabilité face à cet aléa naturel. Quatre lois de comportement décrivant la rhéologie du béton ont été testées en vue de reproduire le plus précisément possible la ruine du m

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26

Oliveira, Jackline de Assis Lopes Santos. "Avaliação de estruturas de edifícios em concreto armado com vistas à reabilitação." Universidade Católica de Pernambuco, 2008. http://www.unicap.br/tede//tde_busca/arquivo.php?codArquivo=433.

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Com o crescente número de ocorrências patológicas encontradas nas estruturas de concreto armado, conforme levantamento de danos realizado por Dal Molin, 1988; Andrade, 1997, cresce também a demanda por serviços de inspeção e manutenção nos condomínios residenciais no Estado de Pernambuco e em todo o País. Entretanto, é possível observar que a prática de inspeções periódicas ainda não faz parte da cultura de uma determinada faixa da população, que não possui meios econômicos, e conhecimento da importância da manutenção para garantir a integridade da estrutura. Estas inspeções visam detectar dan

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27

Šadzevičius, Raimondas. "Aplinkos poveikio žemių užtvankų šlaitų tvirtinimo gelžbetoninėms plokštėms modeliavimas ir analizė." Doctoral thesis, Lithuanian Academic Libraries Network (LABT), 2005. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2005~D_20051108_145159-47758.

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In the dissertation evaluated frost influence to the change of physical–mechanical properties of the reinforced concrete slabs for earth dam slope protection. Established ice thermal expansion linear load acting the slabs and proposed more exact calculation of this load. Evaluated deterioration indices and defects influence to slabs state and durability.

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28

Le, Nguyen Khuong. "Contribution à la compréhension du comportement des structures renforcées par FRP sous séismes." Thesis, Lyon, INSA, 2015. http://www.theses.fr/2015ISAL0020/document.

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Dans le cadre de la mise à niveau sismique des bâtiments existants, la technique de renforcement par placage et enrobage de polymères renforcés de fibres (FRP) offre une réponse pertinente. L’objectif de cette thèse est de proposer une modélisation fiable pour la détermination de la réponse quasi-statique et dynamique d’une grande variété d’éléments de structure et d’identifier les apports possibles d’une telle modélisation à la conception. Les stratégies de modélisation s’appuient sur l’utilisation d’éléments finis massifs ou basés sur une cinématique simplifiée (coques multicouches et poutre

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29

Vojtek, Ondřej. "Stavebně technologický projekt bytového domu v Brně - Slatině." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2018. http://www.nusl.cz/ntk/nusl-372271.

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This diploma thesis deals with construction and technological project of apartment building in Brno – Slatina, Kigginsova street. Thesis focus on technological phase of monolithic rough superstructure and masonry work. For this phases were processed technogical specifications and controlling ad testing schedules. Within this thesis was also compiled technical report, solution of transport roads, technical report and drawings of site equipmet. For main object was compiled itemized budget, which was foundation for completing time schedule. In diploma thesis are further processed safety requireme

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30

Těžký, Filip. "Příprava realizace bytového domu v Brně - Slatině." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2019. http://www.nusl.cz/ntk/nusl-391973.

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The diploma thesis deals with the building - technological project of the apartment house in Brno - Slatina, Lučiny. The purpose will be an optimal design of construction progress with regard to finance and time. For this phase were processed the site equipment with the design of the lifting strap, the transport routes and the machine assembly. In addition, an item budget, which was followed by a detailed schedule. Based on these documents was created a balance of machines and workers. For monolithic constructions were developed a technological regulation and a control and test plan. Furthermo

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31

Ráb, Jakub. "Stavebně technologický projekt haly ADS s.r.o. Větřkovice." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2019. http://www.nusl.cz/ntk/nusl-391951.

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The subject of my master's thesis is construction technological project of the hall ADS s.r.o. Větřkovice. The work includes technical report of construction technological project, facilities of construction zone, solving traffic routes from the production to the place of construction, study of the implementation of the main technological stages of the building SO02, the most appropriate machine assembly, technological specification for drilled piles and for montage of prefabricated reinforced concrete skeleton, control and test plan, schedule of work, itemized budget, plan of the safety and h

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32

Gabriel, Jan. "Obytný soubor Nový Žižkov - stavebně technologický projekt." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2019. http://www.nusl.cz/ntk/nusl-392137.

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The subject of this diploma thesis is the elaboration of a construction technological project for the construction of a residential complex Nový Žižkov in Poděbrady, where I will focus on the technological stage of the gross building of the main building SO-01 apartment building – section BI+BII (56 dwelling units). The supporting system of the building is composed of a combination of monolithic reinforced concrete structures and ceramic blocks. The foundation of a residential building is designed as a reinforced concrete basin with reinforcing ribs. The diploma thesis contains a text and atta

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33

Hirsch, Roman. "Administrativní budova s provozními sklady - stavebně technologický projekt." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2020. http://www.nusl.cz/ntk/nusl-409924.

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The focus of this thesis is on the description of realization of administrative building with operational warehouses in Brno. The thesis consists of report on construction and technology, study of the realization of the main technological stages, technical report on site technologies, technical report on wider transportation connections, proposal for the machinery assembly, time schedule, detailed budget, technological guidelines for rein-forced concrete ceiling, control and exam plan for reinforced concrete, report on safety and health protection on construction site, environmental requiremen

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34

Schreiber, Jiří. "Bytový dům AB - Javorová čtvrť II Praha - stavebně technologický projekt." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2020. http://www.nusl.cz/ntk/nusl-409944.

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Theme of the diploma thesis is technical report of the technological project for apartment building AB – Maple district II Prague, which will be realized on Mantovska street, on the plot 539/39 in the district of Horní Měcholupy. For object AB is proccesed technical report of the technological project, studies of realization main technological phases, solution of wider transport relations with a focus on building supply , objects time and financial plan, time schedule, project for site facilities with drawing of five main technological phases, design of main construction machines and mechanism

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35

Knotek, Vít. "Skladová hala v Šakvicích - stavebně technologický projekt." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2016. http://www.nusl.cz/ntk/nusl-240405.

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Main goal of this thesis is effective design and comprehensible description of the assembly of reinforced concrete skeleton warehouse in Šakvice. In several chapters of this thesis is for preparing of this investor´s plan solved supplies prefabricated components. As well as their assembly into construction, equipment of construction site, used technologies, quality control and safety of performed works. There is great emphasis on the construction budget and its chronology. The aim was to use the rapid progress of construction of the supporting skeleton, taking into account the financial coast

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Plachý, Jakub. "Stavebně technologický projekt bytového domu v Liberci." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2017. http://www.nusl.cz/ntk/nusl-265303.

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This diploma thesis deal with phase of construction, which is foundation and upper construction of apartment building Komenského in Liberec. Building is situated in built-up and green area. Foundation circumstances is half difficult because of lower water included in soil. In this phase, we use formowork for columns, walls and roof. Used formwork is from Peri company, Quatro, Trio and Multiflex. There is suteren in the house, and because of lower water and high index of radon, we have to protect structure by compact waterproof isolation. This project contains formwork schematics and the time c

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Kulla, Lukáš. "Statické zajištění zámku." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2016. http://www.nusl.cz/ntk/nusl-240358.

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The aim of this final thesis was static protection for castle in Miroslavské Knínice. It was necessary to explore several respects and find signs of violation. Next analyze and propose suitable assurance of individual parts. Separe into the stages of construction and to consider the proposal in terms of ensuring the resistance of materials. Finally create a detailed documentation in the range suitable for performance. Based on engineering geology and visual survey was designed horizontal bracing prestressing cables at three levels. The first level "A" consists of a closed circuit of prestresse

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Zelinková, Marta. "Příprava realizace železobetonové skladovací haly v Poličce." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2019. http://www.nusl.cz/ntk/nusl-392184.

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The aim of this diploma thesis is the design of an effective construction-technological project for the construction of reinforced concrete prefabricated storage halls and halls of Ravensburger Karton s.r.o.. The solution of the chosen problem is the design of the building site equipment, the verification of the transport routes, the assembly schemes, the technological regulation and the control and test plan for the precast reinforced concrete frame, the BOZP plan, the budget item and the schedule of the main building, timetable, calculation timetable and environmental aspects of the construc

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Hladký, Dominik. "Obytný areál Ponavia park v Brně, příprava a organizace stavby." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2020. http://www.nusl.cz/ntk/nusl-409926.

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This thesis deals with the construction process of the apartment house Ponavia Park located in Brno. The thesis solves the individual realization phases of the main building phase. Building site equipment is designed for the projected construction process in three different variations. A technical report is also included in the building site. Critical points within the transport of materials and machines are also verified. A financial plan for the whole building is made as an summarizing time schedule for the apartment building. The sources for the financial plan are the figures taken from the

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Chroustovský, David. "Skladovací hala PFM Flexi - stavebně technologický projekt." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2018. http://www.nusl.cz/ntk/nusl-371958.

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The aim of this diploma thesis is the design of an effective construction-technological project for the construction of reinforced concrete prefabricated storage halls by PFM-Flexi, s.r.o. The solution of the chosen problem is the design of the building site equipment, the verification of the transport routes of the key materials, the assembly schemes, the technological regulation and the control and test plan for the precast reinforced concrete frame, the BOZP plan, the comparison of the two versions of the installation in financial terms, the budget item and the schedule of the main building

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41

Kincl, Jakub. "Sklad zemědělských hnojiv - stavebně technologická příprava." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2014. http://www.nusl.cz/ntk/nusl-227024.

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In my master´s thesis i worked on construction and technological preparation of construction storage of agricultural fertilizers in Vilanec. This preparation includes summary expected work on construction, time and financial plan. Thesis in detail processes montage of prefabricate rod skelet and circumferential casing from PUR panels. Component of this thesis is proposal of needed mechanisation, control and probationary plan, plan of safety and protection of health upon work, proposal of building side, assessment of thermal proprties of structural construction, contract for work and EMS plan.

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42

Abooameri, Farid. "Evaluation of cathodic protection in reinforced concrete bridges." Thesis, 1994. http://hdl.handle.net/1957/35182.

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Steel corrosion in reinforced concrete is a major concern to transportation agencies nationwide because of the expenses incurred for repair and ultimate shortening of bridge life. Cathodic protection (CP), as a remedy, has been applied to reinforced bridges in the US since 1974. However, application of this technique is largely empirical, lacking fundamental understanding. In order to optimize the performance of a CP system, it is important to monitor the rebar potential with respect to a reliable reference electrode. Moreover, because of potential variation in the concrete, reference cell pla

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Tseng, Wern-Jier, and 曾文傑. "The Application of Cathodic Protection on the chlorine Reinforced Concrete." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/03955400743211410034.

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碩士<br>國立臺灣海洋大學<br>河海工程學系<br>92<br>Distension and failure of reinforce concrete structures exposing to marine environments occur frequently due to steel corrosions induced by intrusion of chlorides. To find the physical solutions of protecting such kinds of structures from aggravation corrosions and elongating its lifetime, specimens of reinforce concrete containing with chlorides are prepared and a series of laboratory experiments are implemented in this study. Adopting the cathodic protection technique, both of the optimization density of the imposed current and effects of steel polarization

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Muehlenkamp, Erik B. "Electrochemical modeling of cathodic protection systems applied to reinforced concrete structures." Thesis, 2005. http://hdl.handle.net/1957/28991.

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A numerical model for the cathodic protection of steel in reinforced concrete is developed. Parameters are set to represent a three-dimensional section of a bridge beam exposed to the atmosphere and coated with a thermally sprayed zinc anode. Both diffusion of oxygen and conduction of charge within the concrete are considered explicitly through a two-dimensional finite element model. The diffusivity and conductivity are represented as functions of concrete moisture content. Electrochemical reactions considered at the rebar-concrete interface are reduction of oxygen, oxidation of iron, and evol

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Rehani, Manu. "Transport of chloride ions during accelerated cathodic protection of reinforced concrete structures." Thesis, 2000. http://hdl.handle.net/1957/32791.

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Chloride ion migration was studied under accelerated cathodic protection conditions using 6" x 6" x 6" mortar blocks of varying initial chloride content and water to cement ratios. An iron mesh embedded parallel to one face in the blocks acted as the cathode and zinc was thermally sprayed on the opposite face to form an anode. First, the potential response of two blocks was studied at a current density of 3 mA/ft��. One block was outfitted with a heat sink and moisture barrier while the other block was periodically wetted. Second, eight blocks were polarized at various current densities for a

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Orlova, Nadejda V. "Analytical methods for the study of migration of chloride ions in reinforced concrete under cathodic protection." Thesis, 1998. http://hdl.handle.net/1957/33956.

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Lai, Hsin-Hung, and 賴信宏. "Reinforced Concrete Slab Protection on explosion Of Numerical Model." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/17818990282767153457.

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碩士<br>國防大學理工學院<br>軍事工程碩士班<br>97<br>In this study, experiments of steel-, CFRP-, and GFRP-retrofitted reinforced concrete slabs subjected to contact explosion with different weight of explosive C4 were conducted and investigated. Specimen of reinforced concrete slabs with dimension 50＊50＊15(cm) were used and fixed on a steel frame. Rectangular explosive C4 with a weight of 100, 125 and 175g were used and placed on center of surface of slabs. After contact explosion, crater dimension on front and back of slabs were measured, and free-field air blast and acceleration at back of slabs were measure

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Löwe, Benedict, Daniel Käßler, Florian Köllner, et al. "Tagungsband zum 4. BIH-Treffen 2019: Interdisziplinäre Forschung - Chancen und Herausforderungen: Fachtagung für wissenschaftlich Beschäftigte und Nachwuchskräfte an Bauingenieur-Institutionen deutscher Hochschulen." 2019. https://htw-dresden.qucosa.de/id/qucosa%3A35227.

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Forschung und Wissenschaft sind wichtige Standbeine einer modernen Hochschule. Sie stellen eine Grundlage für die primäre Aufgabe der Hochschulen dar, die praxisnahe und berufsbefähigende Lehre auf dem aktuellen Stand der Technik und Wissenschaft. Mittlerweile widmen sich auch die Hochschulen der Ausbildung von wissenschaftlichem Nachwuchs. Prosperierende Forschungsarbeit ist dafür ein unverzichtbarer Bestandteil. Der Leitgedanke „Interdisziplinäre Forschung – Chancen und Herausforderungen“ des BIH-Treffens 2019 soll zum fachübergreifenden Austausch von Know-how in Forschungs- und Lehrmethoden

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Carlos, Thiago Brazeiro. "Experimental and Numerical Analysis on the Structural Behaviour of RC Beams Strengthened with CFRP Laminates under Fire Conditions." Doctoral thesis, 2019. http://hdl.handle.net/10316/87644.

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Tese de Doutoramento em Engenharia de Segurança ao Incêndio, apresentada ao Departamento de Engenharia Civil da Faculdade de Ciências e Tecnologia da Universidade de Coimbra<br>The use of carbon fibre reinforced polymer (CFRP) laminates on strengthening and rehabilitation of reinforced concrete (RC), steel and timber structures has been widely used in the past few years due to the excellent mechanical performance, lightness, ease of application and corrosion resistance at ambient temperature of this composite material. However, it is well known that CFRP strengthening systems are very vulnerab

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