Introduction

This video explains wind design using a flexible diaphragm. Results are organized by shearline direction (north-south and east-west), story level, and wall segment, and include key values such as shear force, sheathing resistance, hold-down effect factor (Jhd), and panel buckling resistance. The program calculates a shear force-to-resistance ratio to determine whether a wall passes or fails—values greater than 1.0 indicate overstress and are flagged in both the shear results table and the design summary. Accurate input of wall groups, materials, and configuration is essential for meaningful analysis and code compliance.

Learning Outcomes

By the end of this lesson, you will be able to:

• Interpret shearwall design results in the Shearwalls Program, including shear force distribution, resistance values, and key performance indicators.
• Differentiate between shearline orientations and segment groupings to evaluate shearwall behavior at various story levels.
• Analyze the shear force-to-resistance ratio to identify overstressed walls and confirm compliance with design capacity.
• Ensure correct material and wall group inputs to produce reliable shearwall analysis under wind loading with a flexible diaphragm.

Instructional Video

Video Run Time: 03:49 minutes

This video utilizes one project file and it is available for download below.