This paper reviews the results of a corrosion study performed on the elevated section of a 70,000 ft2 (6,503 m2) reinforced concrete bus ramp. Both potential mapping and linear polarization resistance (LPR) measurements were performed over an area covering approximately 40,000 ft2 (3,716 m2). These two tools were used and compared in the process of establishing an effective method of corrosion control. The analysis shows an excellent agreement between the ASTM C 876 potential criteria and corrosion rates as measured with the LPR technique.

Subject
Coils, Test methods, Piping, Corrosion rate, Corrosion activity, Contours, Heat, Reinforced concrete, Corrosion monitoring, Linear polarization resistance, Chlorides, Corrosion potential, Concrete
Keywords:
concrete, reinforced concrete, potential mapping, linear polarization resistance, LPR, heat piping
© 1997 Association for Materials Protection and Performance (AMPP). All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means (electronic, mechanical, photocopying, recording, or otherwise) without the prior written permission of AMPP. Positions and opinions advanced in this work are those of the author(s) and not necessarily those of AMPP. Responsibility for the content of the work lies solely with the author(s).
1997
Association for Materials Protection and Performance (AMPP)
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