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Structural Engineering and Mechanics Volume 17, Number 3, March 2004 , pages 527-537 DOI: https://doi.org/10.12989/sem.2004.17.3_4.527 |
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Fragility reduction using passive response modification in a Consequence-Based Engineering (CBE) framework |
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Leonardo Due?s-Osorio, Joonam Park, Peeranan Towashiraporn, Barry J. Goodno, David Frost, James I. Craig and Ann Bostrom
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| Abstract | ||
| Consequence-Based Engineering (CBE) is a new paradigm proposed by the Mid-America Earthquake Center (MAE) to guide evaluation and rehabilitation of building structures and networks in areas of low probability - high consequence earthquakes such as the central region of the U.S. The principal objective of CBE is to minimize consequences by prescribing appropriate intervention procedures for a broad range of structures and systems, in consultation with key decision makers. One possible intervention option for rehabilitating unreinforced masonry (URM) buildings, widely used for essential facilities in Mid-America, is passive energy dissipation (PED). After the CBE process is described, its application in the rehabilitation of vulnerable URM building construction in Mid-America is illustrated through the use of PED devices attached to flexible timber floor diaphragms. It is shown that PED | ||
| Key Words | ||
| consequence-based engineering; risk assessment; fragility reduction; response modification; passive energy dissipation; multi-criteria decision making; parametric analysis; meta-modeling. | ||
| Address | ||
| Leonardo Due?s-Osorio, Joonam Park, Peeranan Towashiraporn, Barry J. Goodno, and David Frost; School of Civil and Environmental Engineering, Georgia Institute of Technology, 790 Atlantic Drive, Atlanta GA, 30332-0355, USA James I. Craig; School of Aerospace Engineering, Georgia Institute of Technology, 270 FerstDrive, Atlanta GA, 30332-0150, USA Ann Bostrom; School of Public Policy, Georgia Institute of Technology, 685 Cherry Street, Atlanta GA, 30332-0345, USA | ||