Hold-down forces, anchorages, and compression forces

Critical Hold-down Forces

The Critical Forces choice under Load Direction in Plan View, shows the critical tension hold-down force at each vertical force collector location. For low-rise wind loads, it shows the critical force for all reference corners.

This item should be selected if you want a drawing showing all of your hold-down forces in Plan View.

Note that the Holddowns and Drag Struts table in the Results output also shows the critical vertical forces at each hold-down location. .

Hold-down offset

Hold-downs are now moved inside the wall by the distance, and compression hold-downs can no longer coincide with tension hold-downs.

Vertical Discontinuities

Hold-downs from the floor above now appear on the level when there are no walls on that level, carried through by a vertical element, which is shown as doubled wall stud in elevation view. .

Compression Forces

• Compression forces are now drawn whenever the net force is directed downwards, even in the case that downward dead load dominates upward overturning force.
• In Elevation View, A vertical arrow symbol is used to distinguish compressive forces from hold-downs, and has been extended downwards through the joist area. The negative sign is no longer shown for these forces. The hold-down magnitude text is now positioned such that the adjacent compression and tension forces do not overlap
• In Plan view, compression forces are shown by a circle and the letter C. No magnitude is shown, as the force does not include other gravity load combinations and is thus not of sufficient interest to merit the clutter on the screen