Cyclic Response of Steel Braces
| Autor: | S. A. Mahin, Kiyohiro Ikeda |
|---|---|
| Rok vydání: | 1986 |
| Předmět: |
Engineering
Basis (linear algebra) business.industry Mechanical Engineering Structural system Building and Construction Structural engineering Plasticity Bracing Brace Mechanics of Materials Plastic hinge General Materials Science Braced frame Representation (mathematics) business Civil and Structural Engineering |
| Zdroj: | Journal of Structural Engineering. 112:342-361 |
| ISSN: | 1943-541X 0733-9445 |
| DOI: | 10.1061/(asce)0733-9445(1986)112:2(342) |
| Popis: | A model for inelastic response analysis of braced steel structures is presented. This model achieves realism and efficiency by combining analytical formulations with formulas developed on the basis of a study of experimental data. A brace is idealized as a pin-ended member with a plastic hinge located at its midspan. Analytical expressions for the axial force versus axial deformation behavior of the brace are derived on the basis of the classical beam-column equation and a plastic flow hypothesis for the plastic hinge. Several empirical behavioral characteristics are incorporated to achieve better representation of observed cyclic inelastic behavior. The model is implemented in a computationally efficient manner so as to be suitable for studying the dynamic response of relatively large structural systems. Verification of the new model is performed on the basis of a quasi-static analysis of an individual strut and dynamic response analyses of a braced steel frame. The model is able to accurately simulate the cyclic inelastic behavior of steel braces and appears to be reliable and applicable to dynamic analyses of braced frame structures. |
| Databáze: | OpenAIRE |
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