How Soil-Structure Interaction and Footing Size Affect Seismic Repair Costs of Low-Rise Concentrically Braced Frames

Building codes emphasize capacity design for superstructures, but seismic design provisions for foundations vary widely. US codes allow reduced seismic loads for footings, leading to significant movement, while Canadian codes often require capacity-protected footings with minimal movement. This study examines the effects of soil and foundation on short-period concentrically braced frame (CBF) buildings, focusing on footing size, seismic …