ERAMCA Project Reference: 609574-EPP-1-2019-1-IT-EPPKA2-CBHE-JP

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Unit 03 Statically indeterminate structures

Structure loaded by the: • external loads (subscript ” r”) • Unit force (or a force U) at a point and in the direction of the displacement to be found In the virtual work of the real displacements (in blue) are associated to the forces of the structure loaded by the unit force (in red), in such a way that the displacement to be found is the only unknown of the equation.