Building fire and safety is a major concern in designing structures and architects place a high premium on the fire safety system. Whether it is residential buildings, shopping malls or megalithic airports using steel in place of concrete and wood can provide a major advantage as far as fire safety goes. For this reason, more and more airport construction companies recommend that steel replace other materials for durability as well as for easy maintenance.

Currently concrete structures are more in use but trends indicate that the preference is shifting towards multi-storey steel frame construction. Multi-storey frame construction has distinct advantages that other types of construction cannot give. Broadly the advantages of steel structure buildings accrue in the form of: the in construction, easy maintainability and longer life cycle. From an architect’s perspective, steel structure buildings provide more leeway for imparting better aesthetic appeal as well as utility. However what steel structure buildings the darling of architects is its fireproofing properties.
Some Famous Steel Structure Buildings

Some of the famous edifices that use steel majorly include Eiffel Tower, Paris (reputedly the world’s tallest structure); Thompson Centre, Chicago (includes offices); the Geodesic Dome at Walt Disney World (entertainment business); and the Indoor Football Facility at University of Illinois, Urbana (with semi-parabolic dome).

Thought you will see a lot of cement concrete bridges around the world, the most famous and fascinating continue to be steel bridges.

Sydney Harbour Bridge – Sydney, Australia. It is reputedly the largest steel arch bridge beam-columns built by human effort. It consumed 53,000 tonnes of steel most of which went into the making of the arc.
Forth Bridge – Firth of Forth in Scotland. It is a cantilever railway bridge and among the oldest of iconic steel bridges around the world. It is also reputed to be an all-steel bridge with a span extending up to 2.5 , standing 110 meters above the water flowing below.

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