The user can enter further loads besides those calculated by default by the GDW programme. In particular, the user can enter concentrated horizontal forces, concentrated vertical forces and moments. It is also possible to enter loads uniformly distributed upstream the weir. The convention of positivity and the reference system with regard to which to define the forces are shown in the following figure:
Convention of positivity and reference for the definition of outer loads
For loads distributed horizontally, the same convention of positivity as for concentrated loads (positive, when downwards) is valid. The units of measurement to be used are kN for forces and m for lengths (and consequently kNm for moments), and kN/m for distributed loads.
Environment for the management of the outer loads
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