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Rapid Macrocell Tests of 2304 and XM-28 Reinforcing Bars
O’Reilly, Matthew Darwin, David
O’Reilly, Matthew
Darwin, David
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Abstract
The corrosion resistance of 2304 and XM-28 stainless steel bars, produced by a single mill and supplied by a single supplier, was evaluated using the rapid macrocell test outlined in Annexes A1 and A2 of ASTM A955-12. Bars were tested both before and after undergoing mechanical straightening. Based on the test results, the stainless steel bars satisfy the requirements of ASTM A955-12. The straightening process allowed corrosion to initiate on the bars, but had limited to no effect on the macrocell corrosion rate.
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Date
2012-11
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Publisher
University of Kansas Center for Research, Inc.
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Keywords
Chlorides, Concrete, Corrosion, Macrocell, Reinforcing steel, Stainless steel
Citation
O'Reilly, M. and Darwin, D., "Rapid Macrocell Tests of 2304 and XM-28 Reinforcing Bars," SL Report 12-3a, University of Kansas Center for Research, Inc., Lawrence, Kansas, November 2012, 17 pp.