Moment Frames and Uplift Connections

The Simpson steel Strong-Wall for example, has heavy bolts tying it to the foundation at its base, where the overturning and uplift forces could be extreme.

At the top of the panel by contrast, the connection consists only of Simpson SDS screws—lighter-duty fasteners.

But in the upper corner of a Simpson Ordinary Moment Frame, heavy-duty bolting is required to hold the joint stiff.

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