Journal
JOURNAL OF EARTHQUAKE ENGINEERING
Volume 19, Issue 8, Pages 1320-1344Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/13632469.2015.1040897
Keywords
Structural Collapse; RC Frame; Experimental Calibration; Key Components; Joints
Funding
- Beijing Natural Science Foundation [8142024]
- National Key Technology RD Program [2013BAJ08B02]
- National Natural Science Foundation of China [51222804, 51378299]
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A thorough investigation of earthquake-induced collapse of reinforced concrete frames is presented. The inherent correlation between the nonlinear behavior of key components and the collapse mechanism of overall frame is examined through concurrent collapse tests of both frame and key components. Important issues in the component models are investigated through calibration against experiments, leading to a comprehensive structural system model. Both test and simulation indicate that the seismic performance are predominately governed by the key columns, whereas the energy dissipation capacity is somewhat affected by the joints. This study offers systematic experimental data and numerical models for future collapse assessments.
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