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03302 Laboratory Testing and Computer Modeling of the Performance of Sacrificial Anodes for use in Reinforced Concrete Structures

Product Number: 51300-03302-SG
ISBN: 03302 2003 CP
Author: Gareth John, Bob Cottis
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$20.00
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A laboratory program was carried out to determine the feasibility of applying embedded sacrificial anodes to fusion bonded epoxy coated reinforcement (FBECR) in concrete. The work covered both large scale and small scale testing of anode types, encapsulation systems, accelerated electrochemical testing and computer modeling. The results confirmed the general feasibility of the system, but also highlighted problems with long-term anode performance associated with initial exposure to highly alkaline conditions and subsequent change to low pH at the anode surface as a natural consequence of anode dissolution. Computer modeling was used to estimate the rate of pH change and hence effects on probable anode life.
A laboratory program was carried out to determine the feasibility of applying embedded sacrificial anodes to fusion bonded epoxy coated reinforcement (FBECR) in concrete. The work covered both large scale and small scale testing of anode types, encapsulation systems, accelerated electrochemical testing and computer modeling. The results confirmed the general feasibility of the system, but also highlighted problems with long-term anode performance associated with initial exposure to highly alkaline conditions and subsequent change to low pH at the anode surface as a natural consequence of anode dissolution. Computer modeling was used to estimate the rate of pH change and hence effects on probable anode life.
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