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Shearwalls determines the overturning and other forces that must be resisted by mechanical tie-downs at hold-down locations throughout the structure. It also calculates compression forces at the other end of the wall for each force direction.
Shearwalls allows you to specify hold-down connections from a database and checks whether these resist the hold-down forces at the hold-down locations.
Shearwalls also checks the strength in compression of the wall bottom plate at compression force locations.
The hold-downs contribute to rotational shear wall deflection as described in Hold-down Displacement, and compression forces make a somewhat lesser contribution as described in Crushing at End Studs.