00300418

Component

http://onlinepubs.trb.org...s/trr/1978/692/692-004.pdf

http://scholar.google.com...romm&publication_year=1978

An investigation was conducted to determine the best method of measuring the polarized potential of the reinforcing steel in a cathodically protected bridge deck. The use of carbon rods and copper-copper sulfate and zinc-zinc sulfate half-cells as probes was studied in laboratory slabs and bridge decks. The carbon probes were found to be more accurate and reliable; the half-cells produced variable results. The coke layer was found to act as a half-cell and its voltage had to be taken into account when measuring the polarized potentials in the deck. /Author/

Publication of this paper sponsored by General Materials Section and Committee on Corrosion. Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved.

01411528

pp 23-28

1978

Transportation Research Record

57th Annual Meeting of the Transportation Research Board

0309028388

Digital/other

Figures (5) ; References (8) ; Tables (2)

Bridge decks; Concrete; Copper; Measurement; Polarization; Sulfates; Zinc

Geotechnology; Highways; Materials

TRIS, TRB

Sep 29 1979 12:00AM

• ACCELERATED PERFORMANCE TESTING OF BRIDGE PAINTS FOR SEACOAST ENVIRONMENTS
• Acceptance Sampling of Structural Paints
• IMPROVING THERMOPLASTIC STRIPE ADHESION ON CONCRETE PAVEMENTS
• MEASUREMENT OF CEMENT CONTENT BY USING NUCLEAR BACKSCATTER-AND-ABSORPTION GAUGE
• METHODS OF DETERMINING CORROSION SUSCEPTIBILITY OF STEEL IN CONCRETE