The Importance Of Structural Engineering

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The backbone of structural engineering practice is for a structure to perform well. The objective of designing a structure is to provide safety to life and property, keeping the design economical. Guidelines provided in design codes fulfil this objective. But, the need for seismic design is necessary. The current design codes specify guidelines which provide simple seismic design procedures, through empirical factors and simple equations. However the behaviour of the structure is complex and depends on various factors and hence the sufficiency of these designs based on simple equations cannot be predicted. In addition to gravity loads, a structure has to be designed for anticipated lateral loads. The lateral loads subjected to a structure can be due to wind or earthquake. A structural engineer needs to develop an effective lateral load resisting system, which would prevent collapse and damage to life and property. In the event of an earthquake, the structure is subjected to lateral forces which are generated by the structure’s inertia resisting motion. These forces can be very high in magnitude. To design a structure to remain elastic during earthquake would be impractical and uneconomical. A number of techniques and devices have been proposed, tested and successfully installed in structures for…show more content…
Concrete on the other hand works well in compression. In a composite section steel and concrete work complementary to each other to fulfil each drawbacks of the other. Composite buildings are preferred for their ease of construction and functionality. A composite building could be used in various forms. The construction could be consisting of a concrete slab with steel frames, or a composite frame wherein the frame consists of steel elements encased in concrete. Slabs could be composite too. Figure 1.1 Typical Configurations of Composite

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