WE INVEST IN RESEARCH TO OPEN UP NEW SUSTAINABLE DEVELOPMENT PROSPECTS
Bordignon Group & University of Trento
The Bordignon Group invests in research and entrusts Trento University with the task of assisting it in developing new techniques for optimising large-dimension hot-dip galvanizing.
Professor Stefano Rossi, a researcher in the field of materials and protection against corrosion, is the coordinator of the research work performed in the company, in the two Rosà and Ala facilities.
The aim of this research is to test the feasibility of hot-dip galvanizing in the joints of large-size works and structures.
In fact, a technique already exists for welding galvanized surfaces and is successfully used for road works and architectural elements of various types. By demonstrating the strength of such weldings in exceptional conditions as well, by submitting the work to high weights and extreme temperatures, new possibilities are being opened up for the industry. Hot-dip galvanizing looks all set to be used to an increasing extent for large public works such as bridges and dams.
An example of the application possibilities of large-dimension hot-dip galvanizing is the recent Cinisello Balsamo (MI) installation, the work of the Zincherie Seca and Valbrenta – a huge footbridge 390-metre long and 2.4- metre wide for crossing the motorway.
It consists of 30 segments 13-metre long and weighing 14 tonnes each, which came out of the Rosà galvanizing facility tank and were installed at the end of the summer. What makes the work exceptional is the size of the single segment manufactured by the Bordignon Group and made possible by the sheer size of the plant, one of the most technologically advanced in Europe. “The use of hot-dip galvanizing for bridges is significantly important because it protects against degradation and weathering much better than other systems. This, along with the total environmental compatibility of the process and the zinc, makes hot-dip galvanizing particularly suitable for large works”. In recent years, attention for environmental sustainability has in fact boosted the use of hot-dip galvanizing, a simple but forever modern process that has never substantially changed since it was first used. The galvanizing process ensures a low ecological footprint and also allows writing off the economic costs of large works because it protects for decades and is maintenance free, unlike steel treated in the traditional way, which requires constant care.
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