Static diagram is a simplified model of the structure that shows how the elements are supported and the direction of the loads. It allows you to determine how the structure transfers forces to the supports and foundations.
Geometrical details that do not significantly affect the static analysis are omitted from the static scheme. The structure is represented by idealised elements such as beams, columns or hinges. The scheme also specifies the type of supports, for example hinged, sliding or restrained supports. The distribution of internal forces such as bending moments, shear forces or axial forces depends on these conditions.
The correct adoption of the static scheme forms the basis of structural calculations. An incorrect scheme may lead to an incorrect assessment of the load-bearing capacity and performance of the structural elements.
