ELECTROCHEMICAL DETERMINATION OF CORROSION FORTHE HIGH STRENGTH STEEL WIRE IN CONCRETE CROSSBEAM

J Chin Soc Corr Pro

2003, Vol. 23

Issue (6): 362-366 DOI:

Research Report

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ELECTROCHEMICAL DETERMINATION OF CORROSION FORTHE HIGH STRENGTH STEEL WIRE IN CONCRETE CROSSBEAM

Yongtao Zhao;Changfei Liu;Xiaojian Gao

青岛市金湖路12号甲725所青岛分部

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Abstract Initial survey to estimate corrosion of the bridge suspender was made by measuring the potential of anchor block,and other useful r elated information such as moisture and permeation of concrete in the crossbeam were also collected.Therefore the corrosion probability of steel wire might be g ot re asonably.In addition,while the steel wire and CCMP-I probe were treated respecti vely as the working electrode in the measurement electrode system,polarization r esistance and Tafel constant could be determined by the coulostatic method,thu s corrosion current density can also be calculated,so that the corrosion state o f st eel wire would be obtained more exactly.The results showed that the suspender st eel wire was protected by grouting,the corrosion rate of the steel wire in the s horter suspender existing a great gap with different reasons.

Key words: corrosion steel wire concrete coulostatic corssbeam

Received: 15 August 2002

ZTFLH:	TU503
	TU511.32

Corresponding Authors: Yongtao Zhao E-mail: ytzhao7302@sina.com

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Yongtao Zhao; Changfei Liu; Xiaojian Gao. ELECTROCHEMICAL DETERMINATION OF CORROSION FORTHE HIGH STRENGTH STEEL WIRE IN CONCRETE CROSSBEAM. J Chin Soc Corr Pro, 2003, 23(6): 362-366 .

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https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y2003/V23/I6/362

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