FEMA P-2018 Webinar, Seismic Evaluation of Older Concrete Buildings for Collapse Potential
Автор: Applied Technology Council
Загружено: 2024-03-19
Просмотров: 478
Purpose. This webinar walks the participant through the evaluation methodology of FEMA P-2018, Seismic Evaluation of Older Concrete Buildings for Collapse Potential, which can be used to identify and prioritize collapse prone non-ductile concrete buildings within a building inventory. Application of the methodology enables the identification of buildings that have the highest collapse risk without the need for extensive testing or nonlinear analysis.
Background. A wide variety of reinforced concrete buildings exist in regions of significant seismicity in the United States, and many were constructed prior to the enactment of modern seismic provisions in building codes. Known as non-ductile concrete buildings, these buildings were constructed prior to the late-1970s, and include construction dating back to the early 1900s. Problematic issues include inadequate steel reinforcing details, system irregularities, and element discontinuities that can result in seismic collapse from loss of vertical load-carrying ability. Large earthquakes have demonstrated the seismic vulnerability of these older, concrete buildings, but not all such buildings are at risk of global collapse.
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