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[[File:Bolt-in-shear.svg|thumb|Figure of a [[Screw|bolt]] in [[shear stress]]. Top figure illustrates single shear, bottom figure illustrates double shear.]]
Structural engineering depends upon a detailed knowledge of [[applied mechanics]], [[materials science]], and [[applied mathematics]] to understand and predict how structures support and resist self-weight and imposed loads. To apply the knowledge successfully a structural engineer generally requires detailed knowledge of relevant empirical and theoretical [[design codes]], the techniques of [[structural analysis]], as well as some knowledge of the [[corrosion]] resistance of the materials and structures, especially when those structures are exposed to the external environment. Since the 1990s, specialist software has become available to aid in the design of structures, with the functionality to assist in the drawing, analyzing and designing of structures with maximum precision; examples include [[AutoCAD]], StaadPro, [[Computers and Structures|ETABS]], Prokon, Revit Structure, Inducta RCB, etc. Such software may also take into consideration environmental loads, such as earthquakes and winds.{{cn}}
==Profession==
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