Equivalent force method determines the tendon forces and apply them directly to the grillage model.
The forces and
moment due to tendon are applied along the girders in grillage model.
The equivalent
force is applied at anchorages and the point of change in tendon angle.
For curved tendon,
equivalent radial force in the form of load intensity should be applied along
the curve radially.
Equivalent force
method can be applied for wide range of structural arrangement. However, it
requires more effort to develop accurate analysis model and equivalent loads.
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