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Key terms
Seismic Performance, Infrastructure, Structural Health Monitoring
Bridges are considered one of the most critical components of highway transportation networks, as the closure of a bridge due to partial damage or collapse can disrupt the entire transportation system. A bridge with slight or moderate seismic damage could decrease its serviceability and ability to transport vehicles...
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Structural Modelling, Mode Shape Curvature, Damage Detection
The mode shape curvature is an efficient technique in identifying damage by using the mode shapes of the structure. The curvature is related to the flexural stiffness of the beam’s cross-section. If a crack or other damage is introduced in a structure, it reduces its flexural stiffness (EI) at its cracked section. ...
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FEMA P-547, Seismic Force, Structural Retrofitting
A considerable number of buildings in North America present a risk of poor performance during an earthquake event as they were constructed prior to seismic design codes or the available code used was immature and presents flaws. discontinuity...
Key terms
Soft Storeys, Seismic Force, Earthquake Risk
A large number of moment frame buildings have been constructed for specific purposes and may contain a large area for parking, reception lobbies, etc. These kinds of open spaces void of any infill walls are called soft storey buildings. Storeys with these kinds of open spaces are considered as having stiffness discontinuity...
Key terms
Non-Structural Components, Seismic Mitigation, Earthquake Risk
Potential economic losses from damages to structures due to earthquakes can reach billions of dollars in densely populated areas. For instance, the total direct economic losses of $25 billion due to damaged buildings were paid by the government and private insurance sources for recovery and reconstruction in California...
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