AR015049A1 - ELECTROLYTIC CELL TO CARRY OUT EXPERIENCES OF CATHODIC PROTECTION WITH STEEL PROBETS - CONCRETE. - Google Patents

ELECTROLYTIC CELL TO CARRY OUT EXPERIENCES OF CATHODIC PROTECTION WITH STEEL PROBETS - CONCRETE.

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Publication number
AR015049A1
AR015049A1 ARP990102005A AR015049A1 AR 015049 A1 AR015049 A1 AR 015049A1 AR P990102005 A ARP990102005 A AR P990102005A AR 015049 A1 AR015049 A1 AR 015049A1
Authority
AR
Argentina
Prior art keywords
cell
steel
cathodic protection
anodes
potentials
Prior art date
Application number
Other languages
Spanish (es)
Original Assignee
Vetere Vicente Francisco
Romagnoli Roberto
Carbonari Ricardo Obdulio
Sota Jorge Daniel
Lucchini Ilda Teresa
Batic Oscar Rafael
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vetere Vicente Francisco, Romagnoli Roberto, Carbonari Ricardo Obdulio, Sota Jorge Daniel, Lucchini Ilda Teresa, Batic Oscar Rafael filed Critical Vetere Vicente Francisco
Priority to ARP990102005 priority Critical patent/AR015049A1/en
Publication of AR015049A1 publication Critical patent/AR015049A1/en

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  • Prevention Of Electric Corrosion (AREA)

Abstract

La celda electrolítica propuesta para realizar experiencias de proteccion catodica con probetas de hormigon armado consiste en un recipiente de materialplástico de 60 cm de largo, 40 cm de ancho y 20 cm de profundidad que permita colocar en suinteri or, longitudinalmente y equidistantes de los laterales, hastaocho probetas de acero - hormigon conectadas en cortocircuito y sobre cada uno de los laterales de la celda cuatro compartimientos prismáticos de 16 cm de altoconstruidos con placasde gres cerámico debidamente unidas entre sí, donde se colocan los ánodos de la celda a una distancia de 20 cm entre sí y con losextremos del contenedor. El compartimiento anodico se llena con el mismo electrolito que la celda pero con un pH igual a8,0, ob tenido con solucion dehidroxido de sodio (libre de carbonatos). Los ánodos serán de platino de pureza electrolítica cuando no se generen sustancias agresivas al platino, casocontrario, para potenciales de polarizacion de hasta -1000 mV, seutilizan e lectrodos de acero del tipo SAE 1010 y para potenciales inferiores se utilizanánodos de cinc fundido de 99,9% de pureza. Los potenciales se miden con respecto a un electrodo de referencia tipo calomel saturado o similar. El circuito queseutiliza par a polarizar la celda es por corriente impresa y es capaz de mantener el potencial en la interfase acero - hormigon dentro de estrechos límitesdurante la ejecucion de experiencias de laboratorio de proteccion catodica de larga duracion.El circuito de polarizacion por corriente impresa estácaracterizado por contener una fuente de voltaje de corriente continua, regulable, de 0-12 voltios, una resistencia en serie con la celda electrolítica,variable, de 1000 ohmios y una resistenciaen paralelo con dicha celda, fija, de 30 ohmios.The electrolytic cell proposed to carry out cathodic protection experiences with reinforced concrete specimens consists of a 60 cm long, 40 cm wide and 20 cm deep plastic material container that allows it to be placed in its interior, longitudinally and equidistant from the sides, up to eight steel-concrete specimens connected in short circuit and on each of the sides of the cell four prismatic compartments of 16 cm high built with ceramic tiles properly connected to each other, where the anodes of the cell are placed at a distance of 20 cm with each other and with the ends of the container. The anodic compartment is filled with the same electrolyte as the cell but with a pH equal to 8.0, obtained with sodium hydroxide solution (carbonate free). The anodes will be of platinum of electrolytic purity when no aggressive substances are generated to platinum, on the contrary, for polarization potentials of up to -1000 mV, steel electrodes of the SAE 1010 type are used and for lower potentials, 99 molten zinc anodes are used, 9% purity The potentials are measured with respect to a saturated calomel type reference electrode or similar. The circuit that is used to polarize the cell is by printed current and is capable of maintaining the potential at the steel - concrete interface within narrow limits during the execution of long-term cathodic protection laboratory experiences. The printed current polarization circuit is characterized for containing a voltage source of direct current, adjustable, of 0-12 volts, a resistance in series with the electrolytic cell, variable, of 1000 ohms and a resistance in parallel with said cell, fixed, of 30 ohms.

ARP990102005 1999-04-29 1999-04-29 ELECTROLYTIC CELL TO CARRY OUT EXPERIENCES OF CATHODIC PROTECTION WITH STEEL PROBETS - CONCRETE. AR015049A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ARP990102005 AR015049A1 (en) 1999-04-29 1999-04-29 ELECTROLYTIC CELL TO CARRY OUT EXPERIENCES OF CATHODIC PROTECTION WITH STEEL PROBETS - CONCRETE.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ARP990102005 AR015049A1 (en) 1999-04-29 1999-04-29 ELECTROLYTIC CELL TO CARRY OUT EXPERIENCES OF CATHODIC PROTECTION WITH STEEL PROBETS - CONCRETE.

Publications (1)

Publication Number Publication Date
AR015049A1 true AR015049A1 (en) 2001-04-11

Family

ID=45605981

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP990102005 AR015049A1 (en) 1999-04-29 1999-04-29 ELECTROLYTIC CELL TO CARRY OUT EXPERIENCES OF CATHODIC PROTECTION WITH STEEL PROBETS - CONCRETE.

Country Status (1)

Country Link
AR (1) AR015049A1 (en)

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