_STP_1065-1990.pdf

STP 1065 Corrosion Rates of Steel in Concrete Neal S.Berke,Vtctor Chaker,and David Whiting,editors ASTM 1916 Race Street Philadelphia,PA 19103 Copyright by ASTM Intl(all rights reserved);Sun Dec 27 14:29:17 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Library of Congress Cataloging-in-Publication Data Corrosion rates of steel in concrete/Neal S Berke,Victor Chaker,and David Whiting,editors(STP 1065)Proceedings of a symposium held in Baltimore,Md,June 29,1988 and sponsored by the ASTM Committee G-1 on Corrosion of Metals,and others Includes blbhographlcal references ASTM pubhcatlon code number(PCN)04-010650-07-T p verso ISBN 0-8031-1458-3 1 Reinforcing bars-Corrosion-Congresses 2 Chlorides-Congresses I Berke,Neal Steven,1952-II Chaker,Victor III Whiting,D(David)IV American Society for Testing and Materials Committee G-1 on Corrosion of Metals V Series ASTM special technical publication,1065 TA445 5 C69 1990 620 1723-dc20 90-509 CIP Copyright?9 by AMERICAN SOCIETY FOR TESTING AND MATERIALS 1990 NOTE The Society is not responsible,as a body,for the statements and opinions advanced in this pubhcatlon Peer Review Policy Each paper published in this volume was evaluated by three peer reviewers The authors addressed all of the reviewers comments to the satisfaction of both the technical editor(s)and the ASTM Committee on Publications The quahty of the papers in this publication reflects not only the obvious efforts of the authors and the technical editor(s),but also the work of these peer reviewers The ASTM Committee on Publications acknowledges with appreciation their dedication and contribution of time and effort on behalf of ASTM Printed m Ann Arbor,MI August 1990 Copyright by ASTM Intl(all rights reserved);Sun Dec 27 14:29:17 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Foreword The symposium on Corrosion Rates of Steel m Concrete was held m B alnmore,Maryland,on 29 June 1988 The symposium was sponsored by ASTM Committee G01 on Corrosion of Metals and ASTM Committee C09 on Concrete and Concrete Aggregates and its Sub-committees C09 03 08 on Admixtures and C09 03 15 on Concretes Resistance to Its En-vironment Neal S Berke,W R Grace and Company,Victor Chaker,Port Authority of New York and New Jersey,and David Whiting,Construction Technology Laboratones,Presided as symposium cochalrmen and are editors of this pubhcahon Copyright by ASTM Intl(all rights reserved);Sun Dec 27 14:29:17 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Contents Overview The Threshold Concentration of Chloride in Concrete for the Initiation of Reinforcement Corrosion-c M HANSSON AND B SORENSEN Influence of Blast Furnace Slags on the Corrosion Rate of Steel in Concrete-C VALENTINI,L BERARDO,AND I ALANIS 17 An Initial Effort to Use the Corrosion Rate Measurements for Estimating Rebar Durability-c ANDRADE,M C ALONSO,AND J A GONZALEZ 29 Comparison of the Polarization Resistance Technique to the Macrocell Corrosion Technique-N s BERKE,D F SHEN,AND K M SUNDBERG Corrosion Rate Determination on Repaired Reinforced Concrete Specimens-H G WHEAT 38 52 Corrosion Measurements of Reinforcing Steel in Partially Submerged Concrete SlabsmA.AGUILAR,A A.SAGUIS,AND R G POWERS 66 Measuring the Rate of Corrosion of Steel in Concrete-E.ESCALANTE AND S ITO Corrosion Monitoring for Reinforcing Bars in Concrete-K MATSUOKA,H KIHIRA,S ITO,AND T MURATA 86 103 Study of the Corrosion of Concrete Reinforcement by Electrochemical Impedance Measurement-L.LEMOINE,F WENGER,AND J.GALLAND 118 Quantitative Measurement of the Corrosion Rate Using a Small Counter Electrode in the Boundary of Passive and Corroded Zones of a Long Concrete Beamc ANDRADE,A.MACIAS,S FELIU,M.L ESCUDERO,AND J A GONZ,LEZ 134 Potential Mapping and Corrosion of Steel in ConcretemB ELSENER AND H BOHNI 143 The Use of a Potential Wheel to Survey Reinforced Concrete Structuresm J P BROOMFIELD,P E.LANGFORD,AND A.J EWINS 157 Mechanisms of Corrosion of Steel in Concrete-B BORGARD,C WARREN,S,SOMAYAJI,AND R HEIDERSBACH 174 Author Index 189 Subject Index 19i Copyright by ASTM Intl(all rights reserved);Sun Dec 27 14:29:17 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Overview STP1065-EB/Aug.1990 Steel reinforced concrete is a widely used and durable structural material The concrete environment protects the steel from direct atmospheric corrosion However,this protective environment can be compromised due to the regress or addition of chloride ions,or by carbonauon,or both Indeed,the widespread use of steel reinforced concrete in bridge and parking decks subjected to chloride dexclng salts,and the use of reinforced concrete m ma