Steel Course

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Steel Course

When the need for a new structure arises, an individual or agency has to arrange
the funds required for its construction. The individual or agency henceforth referred to
as the owner then approaches an architect. The architect plans the layout so as to
satisfy the functional requirements and also ensures that the structure is aesthetically
pleasing and economically feasible. In this process, the architect often decides the
material and type of construction as well. The plan is then given to a structural engineer
who is expected to do locate the structural elements so as to cause least interference to
the function and aesthetics of the structure. He then makes the strength calculations to
ensure safety and serviceability of the structure. This process is known as structural
design. Finally, the structural elements are fabricated and erected by the contractor. If
all the people work as a team then a safe, useful, aesthetic and economical structure is
conceived. However in practice, many structures fulfill the requirements only partially
because of inadequate coordination between the people involved and their lack of

knowledge of the capabilities and limitations of their own and that of others. Since a
structural engineer is central to this team, it is necessary for him to have adequate
knowledge of the architects and contractors work. It is his responsibility to advise both
the architect and the contractor about the possibilities of achieving good structures with
economy. Ever since steel began to be used in the construction of structures, it has
made possible some of the grandest structures both in the past and also in the present
day (Fig. 1.1). In the following paragraph, some of the aspects of steel structures, which
every structural engineer should know, are briefly discussed

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