Dr GEORGIA THERMOU GEORGIA.THERMOU@NOTTINGHAM.AC.UK
ASSISTANT PROFESSOR IN STRUCTURAL ENGINEERING
Dr GEORGIA THERMOU GEORGIA.THERMOU@NOTTINGHAM.AC.UK
ASSISTANT PROFESSOR IN STRUCTURAL ENGINEERING
S. J. Pantazopoulou
The seismic vulnerability of old multi‐storey reinforced concrete (R.C.) buildings reinforced with substandard details is assessed as a function of interstorey drift demand imposed by the design earthquake while considering brittle termination of elastic response of the critical members of the structure due to a premature shear failure. Interstorey drift demand is related to column and wall translational stiffnesses which are expressed through analytical derivations in terms of the floor area ratios of gravity and lateral load bearing members in the critical floor. Interstorey drift capacity is related to the available transverse reinforcement and the axial load ratio of the vertical members. The significance of the area ratio of vertical members in the typical floor as an index of vulnerability is explored with reference to the limitations in the value of axial load ratio used in R.C. design in order to secure ductile flexural behavior, and also with reference to the stability index of gravity load bearing members. Interstorey Drift Spectra are derived for the existing R.C. buildings suitable for rapid seismic vulnerability screening but also as a guide for rehabilitation of the existing structures. Lightly reinforced or substandard reinforced concrete buildings that reportedly collapsed during previous earthquakes are used as example case studies in order to calibrate the proposed methodology.
Thermou, G. E., & Pantazopoulou, S. J. (2011). Assessment indices for the seismic vulnerability of existing R.C. buildings. Earthquake Engineering and Structural Dynamics, 40(3), 293-313. https://doi.org/10.1002/eqe.1028
Journal Article Type | Article |
---|---|
Acceptance Date | May 13, 2010 |
Online Publication Date | Jul 21, 2010 |
Publication Date | 2011-03 |
Deposit Date | Dec 3, 2018 |
Publicly Available Date | Dec 5, 2018 |
Journal | Earthquake Engineering & Structural Dynamics |
Print ISSN | 0098-8847 |
Electronic ISSN | 1096-9845 |
Publisher | Wiley |
Peer Reviewed | Peer Reviewed |
Volume | 40 |
Issue | 3 |
Pages | 293-313 |
DOI | https://doi.org/10.1002/eqe.1028 |
Public URL | https://nottingham-repository.worktribe.com/output/1358373 |
Contract Date | Dec 5, 2018 |
Revised Manuscript_EQE-10-0016-R1
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