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- Title
Dynamic Collapse Analysis of a Concrete Frame Sustaining Column Axial Failures.
- Authors
Ghannoum, Wassim M.; Moehle, Jack P.
- Abstract
A one-third-scale, three-bay, three-story reinforced concrete (RC) planar frame with lightly reinforced columns was subjected to base motions that simulated earthquake shaking. Dynamic responses ranged from essentially linear-elastic response through column flexural yielding to column shear and axial failure. A structural analysis model was implemented in computer software to demonstrate the modeling and analysis requirements necessary to achieve accurate response simulation. A new bond-slip model is developed and implemented to represent effects of longitudinal bar slip from joint and footing anchorage regions. Existing models for column shear strength and failure are assessed based on the measured and calculated dynamic responses. Recommendations for dynamic response simulation and column shear-failure assessment are given.
- Subjects
REINFORCED concrete; FIBER-reinforced concrete; EARTHQUAKE resistant design; FLEXURAL strength; STRENGTH of materials; STRUCTURAL analysis (Engineering)
- Publication
ACI Structural Journal, 2012, Vol 109, Issue 3, p403
- ISSN
0889-3241
- Publication type
Article
- DOI
10.14359/51683754