Since 1998, San Jose State University has conducted research into the seismic behavior of building facade systems, particularly the precast concrete cladding systems also known as architectural precast. This research has combined full-scale experimental studies and component experimental studies of connections. In addition, the research team has been active contributors to two full-scale experimental tests of complete building systems including precast concrete facade panels. The testing has been combined with the development of structural analysis models to simulate seismic behavior. The primary findings to date have been that modern precast concrete cladding facade systems perform well when loaded to displacement levels less than the original design displacement. New understanding of cladding performance will allow precast fabricators to provide higher performing systems in the future.
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