Cathodic Protection Of Historic
Steel Framed Buildings
Author(s)
P. Lambert & C. P. Atkins
Abstract
The corrosion of early 20th century steel-framed structures is resulting in serious
damage to the integrity and appearance of many historically important structures.
Conventional repair technologies are expensive and disruptive and can result in
large scale removal of original material for replacement with modern
alternatives. Depending upon the causes of the deterioration, such traditional
repair methodologies may not provide a satisfactory extension of service life.
Cathodic protection, dating back to 1824, represents the first engineered
solution to the problems of ferrous alloy corrosion. Developments in anode
design and control/monitoring hardware have made the technique applicable to
steel framed structures in a manner that is proving acceptable both commercially
and from a conservation viewpoint.
This paper discusses the practicalities of steel frame cathodic protection and
the general approaches available for its application. It will also briefly discuss
current research to properly establish many of the design and operational
characteristics of the technique.
Keywords: steel framed, heritage, corrosion, cathodic protection.
1 Introduction
The form of steel frame building construction was initially employed in Chicago
and subsequently used in most major western cities in the first two decades of
the 20th century. This type of construction has resulted in serious consequences
with respect to serviceability, safety and aesthetics.
The identification of "Regent Street Disease" in the United Kingdom in the
late 1970's highlighted the problems of steel-framed corrosion [1]. The problems
Keywords
steel framed, heritage, corrosion, cathodic protection.
Related Book
Other papers in this volume
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