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Cathodic protection

Cathodic protection for steel reinforcement

Cathodic protection for steel reinforcement

... Metallized-zinc coatings have also opened the door to a new form of CP for reinforced-concrete structures, i.e., galvanic cathodic protection. Galvanic CP is presently being tested on a few bridges in the ...

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Cathodic protection: knowing when and where it will be most effective and important for extending system lifespans

Cathodic protection: knowing when and where it will be most effective and important for extending system lifespans

... effective cathodic protection changes the life-costing of a water main, and • Find a method for choosing the best times to put in cathodic protection for mains in different ...

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Cathodic Protection of Water Mains in Ottawa : Analysis and Planning

Cathodic Protection of Water Mains in Ottawa : Analysis and Planning

... and, cathodic protection (CP) strategies, including both hot-spot and methodical retrofit ...program, cathodic protection, water mains ...

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Proprietary and carbon fiber modified overlays in the cathodic protection of reinforced concrete

Proprietary and carbon fiber modified overlays in the cathodic protection of reinforced concrete

... Keywords: anode; cathodic protection; reinforced concrete; shotcrete; sprayed overlay; titanium mesh.. Steel reinforcement corrosion in chloride contaminated concrete is a costly problem[r] ...

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Field performance of prestressed concrete bridge girders protected by cathodic protection and concrete surface treatment

Field performance of prestressed concrete bridge girders protected by cathodic protection and concrete surface treatment

... National Research Council Canada, Canada Abstract This paper presents the results of a five years study on the field performance of prestressed concrete girders of two highway bridges in Québec, which were protected by ...

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Fatigue behavior of a high strength steel in vacuum, in air and in 3.5% NaCl solution under cathodic protection

Fatigue behavior of a high strength steel in vacuum, in air and in 3.5% NaCl solution under cathodic protection

... under cathodic protection is compared with the fatigue resistance in high vacuum in order to identify the effects of the environment on the fatigue damage ...under cathodic protection exhibit ...

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Evaluation of environmental effects on fatigue crack growth behaviour of a high strength steel in a saline solution with cathodic protection

Evaluation of environmental effects on fatigue crack growth behaviour of a high strength steel in a saline solution with cathodic protection

... that cathodic protection produces an amount of hydrogen sufficient to maintain environmental effects close to their maximum in the DK range considered ...the protection level that has been used in ...

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Quantifying the effectiveness of cathodic protection in water mains

Quantifying the effectiveness of cathodic protection in water mains

... Retrofit cathodic protection (Retrofit CP) Retrofit CP refers to the practice of systematically protecting existing pipes with galvanic cathodic ...

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Quantifying effectiveness of cathodic protection in water mains: theory

Quantifying effectiveness of cathodic protection in water mains: theory

... effects on the life-cycle costs and on the economic life of water mains was developed. The models show that the magnitude of this impact depends on the time of implementation of the cathodic protection ...

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Modelling the effectiveness of cathodic protection in water mains

Modelling the effectiveness of cathodic protection in water mains

... RETROFIT CATHODIC PROTECTION (RETROFIT CP) Retrofit CP refers to the practice of systematically protecting existing pipes with galvanic cathodic ...

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Quantifying effectiveness of cathodic protection in water mains: case studies

Quantifying effectiveness of cathodic protection in water mains: case studies

... The break history analysis for sub-group SC-3b is shown in Figure 8. Sub-group SC-3b consisted of DI pipes that had been gradually retrofitted with anodes since and had, as well, CP hot spot anodes installed since 1984. ...

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Laboratory performance of zinc anodes for impressed current cathodic protection of reinforced concrete

Laboratory performance of zinc anodes for impressed current cathodic protection of reinforced concrete

... Samples powered at the higher current density experienced larger decreases in bond strength. It is suggested that high current densities not be used in the field. The loss of adhesion of[r] ...

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Corrosion and cathodic protection of iron in differential temperature cells

Corrosion and cathodic protection of iron in differential temperature cells

... cold or neutral electrode. It is concluded therefore that the thermogalvanic current is inadequate to prevent the corrosion of the hot electrode which is probably due t[r] ...

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Sacrificial cathodic protection of a concrete overpass using metallized zinc

Sacrificial cathodic protection of a concrete overpass using metallized zinc

... The results of this study indi- cated that a sacrificial anode CP sys- tem, based either on closely spaced ribbon anodes or on perforated zinc sheets, has potential for supplying CP to t[r] ...

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Distribution of steady-state cathodic currents underneath a disbonded coating

Distribution of steady-state cathodic currents underneath a disbonded coating

... Higher applied cathodic voltages were shown to induce a deeper penetration of the cathodic currents underneath a disbonded dielectric coating. However, excessive cathodic protection is n[r] ...

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Le Brexit et la protection des données

Le Brexit et la protection des données

... Qu’il soit « soft » ou « hard », le Brexit n’aura vraisemblablement que peu de conséquences en termes de protection des données. Cette dernière devrait ainsi relever du RGPD, ou tout du moins d’un niveau ...

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La protection juridique de la Fragrance

La protection juridique de la Fragrance

... L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignemen[r] ...

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Protection du patrimoine (CoPat)

Protection du patrimoine (CoPat)

... sa protection » 454 ...de protection du pa- ...de protection, pastillés à l’inventaire régional du patrimoine, repris à l’inventaire communal ou relevant du petit patrimoine populaire 457 ...

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La protection du patrimoine audiovisuel

La protection du patrimoine audiovisuel

... télévision, la production audiovisuelle n'a cessé de croître. Une grande partie de ce patrimoine est malheureusement perdue, faute d'avoir été considéré comme digne de protection et de restauration. En outre, on ...

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La protection du secret des affaires

La protection du secret des affaires

... la protection du secret des affaires est elle aussi nécessaire pour toutes les raisons précitées, il convient donc de réaliser un compromis ne sacrifiant pas les droits fondamentaux et limitant la ...

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