Analysis of RC slab-beam-column sub-assemblages subjected to bidirectional lateral cyclic loading using a new 3D macroelement
| Autor: | Suhee Kim, Fumio Kusuhara, Hitoshi Shiohara |
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| Rok vydání: | 2017 |
| Předmět: |
Materials science
Mechanical models business.industry 0211 other engineering and technologies 020101 civil engineering 021107 urban & regional planning 02 engineering and technology Structural engineering Geotechnical Engineering and Engineering Geology Reinforced concrete Stiff equation 0201 civil engineering Stiffness degradation Earth and Planetary Sciences (miscellaneous) Slab Beam column Cyclic loading Geotechnical engineering business |
| Zdroj: | Earthquake Engineering & Structural Dynamics. 46:2519-2536 |
| ISSN: | 0098-8847 |
| DOI: | 10.1002/eqe.2916 |
| Popis: | Summary An existing two-dimensional macroelement for reinforced concrete beam–column joints is extended to a three-dimensional macroelement. The three-dimensional macroelement for beam–column joints consists of six rigid interface plates and uniaxial springs for concrete, steel, and bond–slip, which model the inside of a beam–column joint. The mechanical models for the materials and the stiffness equation for the springs are also presented. To validate the model, we used test results from three slab–beam–column sub-assemblages subjected to bi-lateral cyclic load. It is revealed that the new joint model is capable of capturing the strength of beam–column joints and the bidirectional interaction in joint shear response, including the concentration of damage in the beam–column joint, the pinching nature in hysteretic behavior, the stiffness degradation, and strength deterioration resulting from cyclic and bidirectional loading. Copyright © 2017 John Wiley & Sons, Ltd. |
| Databáze: | OpenAIRE |
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