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Output Warnings for Inadequate Stud Thickness for Hold-downs (Bug 2825)

If the you selected a hold-down that is not rated for the thickness of wall studs at the end of the wall, then the program did not design for that hold-down and it used the displacement over-ride entered in the settings. It issued a warning in the hold-down design and hold-down displacement tables to that effect.

Since the wall studs do not necessarily include “cripple” or “jack” studs beneath the window that can contribute to hold-down strength, the program now issues a warning to the effect that extra cripples or jack studs are needed, and continues with hold-down design using the capacity and displacement for the least thick stud assembly that the hold-down is rated for. The warning is no longer in red indicating a failed design.

See Also

Worst-case Design

Wall Design Groups (Feature 17)

Highlight of Failing Walls (Feature 75)

Design Summary (Feature 138)

500mm Stud Spacing for Unblocked Factor (Feature 173)

Hold-down Offset Subtraction from Overturning Moment Arm (Bug 2731, Change 165)

Hold-down Force Accumulation Tolerance ( Change 169)

Non-convergence of Deflection-based Distribution to Segments (Bug 2770)

Uplift Loads on Walls with Openings (Bug 2744)

Verification of Stable Design in Final Design Check Iteration (Bug 2743)

Selection of Critical Segment in Design for Unknowns (Bug 2730)

Design for Distribution of Forces to Shearwall Segments Based on Rigidity

Hold-down Stud Width for Capacity and Elongation (Bug 2826)

Levels and Directions for Out-of-Plane and Weak Storey Seismic Irregularities (Bug 2824)

NBC Terminology (Change 164)

Building Model and Program Operation