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2008, Volume 2, Issue 3

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Frontiers of Structural and Civil Engineering >> 2008, Volume 2, Issue 3 doi: 10.1007/s11709-008-0036-4

Evaluation of stray current corrosion resistance of concrete in metro construction

1.Nanjing Metro Project Construction Headquarters; 2.Nanjing Metro Science & Technology Consultation Co. Ltd;

Available online: 2008-09-05
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Abstract

By simulation tests of concrete specimens in saturated Ca(OH) solution and seawater, and based on micro mechanism analysis, this paper evaluates the stray current corrosion resistance of concrete specimens of different mixture ratios, and reaches a conclusion that the capability to resist stray current corrosion of optimally designed concrete mixed with good-quality fly ash and powdered slag is increased by over 5 times more than the reference concrete with the same water to binder ratio, and the service life of such kind of concrete meets the basic requirement of a metro project.

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