Cathodic Protection Application Possibilities In
Activity Building Of Overhead Lines: Protection
Of Armature Tower Foundations
Author(s)
A. Muharemovic, I. Turkovic & S. Bisanovic
Abstract
This paper presents one practical method for the corrosion protection of armature
tower foundations at overhead lines – the cathodic protection concept. The paper
presents possible mechanisms of steel corrosion in concrete, as well as a
discussion of the application of two dominant concepts: impressed current
cathodic protection system and the system with galvanic anodes. The first system
has the better performance and it is proposed as very efficient protection. In
practice, for ensuring a significant saving in the supply of electrical energy from
the distribution network, the application of solar energy system as support for
impressed current cathodic protection system has been proposed. Also, real
applications are been discussed with a presentation to satisfy need criterions and
standards for each component of this system.
Keywords: cathodic protection, armature tower foundations, impressed current
cathodic protection system, criterions and standards.
1 Introduction
With regards to the condition of usual building standards for making concrete
(structure, additives), one can say that iron armature in concrete is corrosion
inert. However, one can conclude that the corrosion of the armature in concrete
is possible on certain conditions. The characteristic case is an iron armature in
the footstep of tower foundations at overhead lines. Each footstep (four in total)
has an iron anchor and an iron armature to make stronger concrete. On other
hand, each footstep has its own ground (iron or copper). Contacts from different
materials, as iron in concrete, iron in earth, copper in earth, results in the
corrosion of the more negative metal.
Keywords
cathodic protection, armature tower foundations, impressed currentcathodic protection system, criterions and standards.
Related Book
Other papers in this volume
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