MAINOPENING CALCULATOR V1.1Click on the Desired Brace GeometryThis spreadsheet has been prepared in accordance with information made available to the American Institute of Steel Construction, Inc., AISC Marketing, LLC, and the Steel Solutions Center, LLC at the time of its preparation. While it is believed to be accurate, it has not been prepared for conventional use as an engineering or construction document and should not be used or relied upon for any specific application without competent professional examination and verification of its accuracy, suitability and applicability by a licensed engineer, architect or other professional. AISC, AISCM, and SSC disclaim any liability arising from information provided by others or from the unauthorized use of the information contained in this spreadsheet.

Determine the geometry of a door opening in chevron bracing with or without a shear linkDetermine the geometry of a door opening in diagonal bracing with or without a shear linkDetermine the geometry of a door opening in "V" bracing with or without a shear linkTrademarks licensed from AISC

Chevron Bracing

Step 1: Required Input (3 White Boxes)Door HeightChevron BracingStep 2: What Do You Want to Calculate?Step 3: CalculateNote: The effect of gusset plates is not considered in these calculations

V Bracing

Step 1: Required Input (4 White Boxes)Step 2: What Do You Want toCalculate?Step 3: CalculateV-BracingNote: The effect of gusset plates is not considered in these calculations

Diagonal Bracing

Step 1: Required Input (4 White Boxes)Diagonal BracingStep 2: What Do You Want toCalculate?Step 3: CalculateNote: The effect of gusset plates is not considered in these calculations.