Cathodic Protection of Steel in Concrete


INTRODUCTION

Steel and concrete have become the most common materials for manmade structures

over the last hundred or so years with the use of the composite material, concrete

reinforced with steel, becoming one of the most popular methods for civil

construction. The historical reasons for steel-reinforced concrete’s popularity are not

hard to find: its cheapness, high structural strength, mouldability, fire resistance and

its supposed imperviousness to the external environment, while requiring little or no

maintenance, provide a virtually unbeatable combination. In order to harness these

properties, both national and international standards have been developed. The

standards for both concrete and steel were initially defined principally by

compositional limits and strength, and this has continued to be the primary means of

quality control to date.






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