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Flowchart for Permitted Analysis Procedures – Seismic

Do you have a building project under 160 feet with a horizontal irregularity type 2? What if the same project has a vertical irregularity type 3? Could you quickly remember whether a static or dynamic analysis was needed? Would a flowchart be helpful in making that decision?

During the November 2015 SE University session, Clarifying Frequently Misunderstood Wind Load Provisions, Emily Guglielmo presented the following graphic to help engineers determine when they will be required to use a dynamic analysis, and when a static analysis should suffice. Based on the different design categories, building heights, and types of irregularities, you can quickly determine which type of analysis is needed.

To download this slide as a PDF, click on the image below. Thank you to Emily for putting this great information together for structural engineers!