Chapter
Apr 26, 2012
On Structural Robustness, Redundancy, and Static Indeterminacy
Authors: Fabio Biondini [email protected], Dan M. Frangopol [email protected], and Stefano Restelli [email protected]Author Affiliations
Publication: Structures Congress 2008: Crossing Borders
Abstract
The effects of prescribed damage scenario on robustness of structural systems with different degrees of static indeterminacy are investigated. Damage is viewed as a progressive deterioration of the material properties and its amount is specified at the member level by means of a damage index associated with prescribed patterns of cross-sectional deterioration. The variation of meaningful parameters of the structural response with respect to the values associated with the undamaged system are used to formulate dimensionless measures of structural robustness. The differences among robustness, redundancy and static indeterminacy are pointed out. Truss systems are then analyzed to investigate their robustness.
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Published In
Structures Congress 2008: Crossing Borders
Pages: 1 - 10
Copyright
© 2008 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Continuum mechanics
- Cross sections
- Damage (material)
- Deterioration
- Dynamics (solid mechanics)
- Engineering fundamentals
- Engineering mechanics
- Material mechanics
- Material properties
- Materials characterization
- Materials engineering
- Mathematics
- Parameters (statistics)
- Solid mechanics
- Statistics
- Structural dynamics
- Structural engineering
- Structural members
- Structural response
- Structural systems
- Trusses
Authors
Affiliations
Department of Structural Engineering, Politecnico di Milano, P.za L. Da Vinci 32, 20133 Milan, Italy. E-mail: [email protected]
Department of Civil and Environmental Engineering, Center for Advanced Technology for Large Structural Systems, 117 ATLSS Drive, Imbt Las, Lehigh University, Bethelhem, PA 18015-4729. E-mail: [email protected]
Structural Engineer, Milan, Italy. E-mail: [email protected]
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.