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51312-01696-High Conductivity Anode Encapsulation Grout for Sustained Anode Performance in Steel Reinforced Conc

Picture for High Conductivity Anode Encapsulation Grout for Sustained Anode Performance in Steel Reinforced Conc
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Product Number: 51312-01696-SG
ISBN: 01696 2012 CP
Author: Rodney G. Powers
Publication Date: 2012
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$20.00
$20.00
Embedded sacrificial zinc anodes have emerged as a promising means of enhancing the durability of repairs to corrosion deteriorated concrete structures. Sacrificial zinc anodes are encased in grout materials that are formulated with the intent of maintaining the zinc anode in an electrochemically active state. These grouts typically contain salts or humectants comprised of high pH media. Research has shown these grout additives to be capable of activating the zinc anode only on a limited short-term basis. This paper discusses laboratory and field testing of a chelating based highly conductive proprietary grout material that has demonstrated capability to maintain long-term an electrochemically active state for both encapsulated zinc point anodes for localized repairs and also in laminated surface applied panels for large scale protection in either wet or dry zones.
Embedded sacrificial zinc anodes have emerged as a promising means of enhancing the durability of repairs to corrosion deteriorated concrete structures. Sacrificial zinc anodes are encased in grout materials that are formulated with the intent of maintaining the zinc anode in an electrochemically active state. These grouts typically contain salts or humectants comprised of high pH media. Research has shown these grout additives to be capable of activating the zinc anode only on a limited short-term basis. This paper discusses laboratory and field testing of a chelating based highly conductive proprietary grout material that has demonstrated capability to maintain long-term an electrochemically active state for both encapsulated zinc point anodes for localized repairs and also in laminated surface applied panels for large scale protection in either wet or dry zones.
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