Reinforced Concrete Columns - MCEER

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Outline Research Background & Project Objectives Design of Test Setup RC Column Specimen Material & Geometry Capacity Models Flexural, Shear and Axial Capacity Moment – Curvature Response of Column Deformation Components Lateral Deformation – Shear Failure Axial Deformation Residual Column Capacity & Damage Progression Fabrication of RC Column Specimens Sensitivity Analysis Ongoing Acknowledgments
Research Background Mechanisms leading to the collapse of existing, pre-seismic code RC frames are NOT well documented. Shake table tests are currently being conducted at PEER-UCB to observe & identify the failure components & load redistribution processes in RC bridge columns & in RC building frames under seismic & gravity loading. Identifying mechanisms causing shear failure in RC columns can be used to develop performance-based seismic design - strengthen future & existing structures against earthquake loading Column shear failure & its effect on the degradation of axial capacity in a pre-seismic code RC column is the focus of this project.
Page 1: Performance of Existing Reinforced
Page 5 and 6: Simplified Model of RC Column One-t
Page 7 and 8: Design of Test Setup Gravity Load =
Page 9 and 10: RC Column Material & Geometry
Page 11 and 12: Capacity Models of RC Column Specim
Page 13 and 14: Capacity Models of RC Column Specim
Page 15 and 16: Moment-Curvature Response of Shear-
Page 17 and 18: Flexure Deformation Components: Lat
Page 19 and 20: Deformation Components: Shear Later
Page 21 and 22: Lateral Yield Deformation of RC col
Page 23 and 24: Deformation Components: Shear → A
Page 25 and 26: Deformation Components: Shear → A
Page 27 and 28: Damage Progression in Column - EPP
Page 29 and 30: Fabrication of RC Column Specimens
Page 35: Acknowledgments Research conducted

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