Latest / Architect Exam Podcast
070 - Seismic Irregularities: Soft Story to Shear Walls
Soft story buildings are one of the most dangerous structural conditions in seismic design, and the 1994 Northridge earthquake proved why.
In this episode, we break down the seismic irregularities that cause buildings to fail during earthquakes. You will learn the difference between a soft story and a weak story, how geometric and mass irregularities create dangerous force concentrations, and why a broken load path is the most dangerous irregularity of all.
We also cover re-entrant corners, torsional irregularity, rigid vs flexible diaphragms, and how collectors and drag struts keep the…
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