Chapter 7 - The Bermuda Experience: Leading the Way on Galvanized Reinforcement

Abstract

This chapter discusses the efficacy and utility of galvanized reinforcement in a variety of concrete structures on the islands of Bermuda. Bermuda has an aggressive marine environment, and experience has shown that galvanized reinforcement is a cost-effective solution to the concrete-corrosion problem. The chapter explains an experience of the author gained while working on the design and construction of civil and maritime projects throughout the world, including eight years from 1987 as a senior engineer with the Ministry of Works and Engineering (MW&E) in Bermuda. Reference is made to the unique geographical and climatic conditions of Bermuda and the problems this creates for reinforced concrete structures. The chapter also presents the results of specific investigations and current research. Using practical examples and illustrations, the author portrays an engineer's viewpoint of the wider application of galvanized reinforcement. The chapter attempts to answer two simple questions:(1) why does the MW&E in Bermuda resolutely continue to specify exclusively hot-dip galvanized reinforcement for its entire construction works and (2) is the practice that has been adopted for over 50 years still applicable in the light of experience, recent research, and changing construction methods. The chapter presents that the use of galvanized reinforcement in Bermuda is historical and small scale, but this would be far from the truth.