MEASUREMENT OF POLARIZED POTENTIALS IN CONCRETE BRIDGE DECKS.

被引：0
|
作者：
Fromm, H.J.
机构：
来源：
Transportation Research Record | 1978年 / 692期
关键词：
CONCRETE REINFORCEMENTS;
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学科分类号：
摘要：
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.
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页码：23 / 28
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