Beams: Analytical Methodology
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Beams are defined as structures subjected to loads normal to their longitudinal direction, thereby producing lateral displacements and flexural stresses. We restrict consideration to straight beams with symmetric cross-sectional areas; the loads are applied along the plane of symmetry of the beam. Figure 1.1 shows an example of a continuous beam, with two fixed supports at the ends (fixed for translation and for rotation) and two simple support rollers (fixed for lateral translation)
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