![]() However, if a beam has more than two reaction loads, as in the case of a beam fixed at one end and either pinned or fixed at the other end, it is statically indeterminate and beam deflection equations must be applied in addition to the equations of statics to determine the reaction loads. If a beam has two reaction loads supplied by the supports, as in the case of a cantilever beam or a beam simply supported at two points, the reaction loads may be found by the equilibrium equations and the beam is statically determinate. These consist of a summation of forces in the vertical direction and a summation of moments. ![]() ![]() Two equations of equilibrium may be applied to find the reaction loads applied to such a beam by the supports. The space truss and space frame models are created in SW Simulation by 3D line sketches. ![]() A space truss has six rigid body motions, all of which must be restrained in an analysis. 1.3.4 Introduction to Reaction Forces and Moments on Beams Under Transverse Loadingįigure 1-30 shows a beam under transverse loading. Figure 31), and up to three reaction forces at a restrained joint. ![]()
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