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Seismic Drag Strut Force Amplification

To comply with O86 11.8.6, for seismic design drag strut forces based on applied loads are increased 20%.

Capacity vs Applied Load

This factor is not applied if shear wall capacity is used to create drag strut forces, rather than applied loads. However if 1.2 x applied load is greater than shear wall capacity, that value is used. A note to this effect is shown below the Hold-down Design table when it occurs.

Output

When it is applied, the 1.2 factor and 11.8.6 reference is shown in

See Also

Drag Strut Forces