The World Trade Center subgrade is a complex reinforced structure. The parking levels are exposed to corrosion resulting from chloride intrusion. This is further complicated in some areas with the impact of stray DC current. Cathodic protection systems were designed to address these corrosion sources. This paper presents the details of the cathodic protection system design, installation, and post-installation testing.

Subject
Depolarization, Cathodic protection, Rebar, Walls, Reference electrodes, Installation, Potential measurements, Slabs, Polarization, Instant off potential, Concrete, Electrode potential, Anodes
Keywords:
parking garage, cathodic protection, concrete, titanium mesh strip anode, stray current, cathodic protection criteria
© 1995 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).
1995
Association for Materials Protection and Performance (AMPP)
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