<h2 class = 'uawtitle'>Steel Beams - A Godsend to Architects</h2><br />
<div style='font-style:italic;' class='uawbyline'>by Sandra Church</div><br /><br />
<div class='uawarticle'>Steel has been used by man since before the Middle Ages, a fact that may be news to many people. People learned a long tome ago that when iron was treated to remove impurities, it become tougher and more resilient. The main issue was that doing this was extremely hard and inefficient. That is why it was to be several hundred years later before steel become more widespread.<br />
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The boost the steel industry needed came in 1855, when Henry Bessemer submitted a patent for the manufacture of steel. The Bessemer process, as it is still called today, made it possible to produce steel in large amounts quickly and relatively cheaply.<br />
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The process was to revolutionize industry, with steel finding its way into almost everything. The popularity of steel was down to several factors: steel was stronger and more durable than raw iron, it could be tempered with other elements, such as nickel, making it even more versatile, and it was easy to cast. Steel was also less prone to corrosion.<br />
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Today, it is difficult to imagine a world without steel. <a href="http://tradiesmelbourne.weebly.com/1/post/2013/04/choosing-the-beststeel-suppliers.html">steel fabricators melbourne</a> are at the heart of modern construction, and they have given architects a whole new set of tools for making buildings that reach for the sky.<br />
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Steel beams have meant that architects can be artistically creative in their designs. Beams can be manufactured in virtually any angular format, removing any restrictions on artistic expression.<br />
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Up to relatively recent times, buildings were little more than square or rectangular blocks one on top of the other. Today, architects and designers have free reign in what the finished building will look like, all thanks to steel. Among the iconic buildings that could never have been built before the age of steel are the Sydney Opera House, the sail shaped Burj al Arab in Dubai, and the Burj Khalifa, also in Dubai, which is the world's tallest building.<br />
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Using steel has also brought about huge changes in the way buildings are constructed. Whereas it was once necessary to build virtually everything that formed a building's structure on the site, now whole sections of the building can be built in factories. Sections built elsewhere are then ferried to the site where they are assembled.<br />
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Using this process to essentially erect buildings from a kit delivers huge savings. The cost of manual labor on the site is driven down. It also means that it is possible to work on several aspects at the same time. For example, the walls do not have to be in place before the roof can be built. Total time spent on construction is greatly reduced.<br />
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Thanks to being able to use steel in structural construction, it has been possible to erect vast covered buildings. Aircraft manufacturers, for example, can build their largest jets in vast, covered assembly hangars. Before the arrival of steel, it would not have been possible to cover such huge areas without having support columns in place.<br />
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Thousands of lives have been saved around the globe thanks to steel. By using steel in the construction of buildings, they are less prone to collapse should an earthquake take place. Where standard block or brick walls would collapse under relatively low stresses, steel frames and reinforced concrete frames can withstand much more.<br />
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