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| Titel: |
OPTIMAL PERFORMANCE-BASED SEISMIC DESIGN USING MODAL PUSHOVER ANALYSIS |
| Auteur: |
Grierson, Donald E. Gong, Yanglin Xu, Lei |
| Verschenen in: |
Journal of earthquake engineering |
| Paginering: | Jaargang 10 (2006) nr. 1 pagina's 73-96 |
| Jaar: |
2006-01-01 |
| Inhoud: |
The paper presents a computer-automated performance-based design procedure for optimally proportioning a steel building framework to resist earthquakes. Modal pushover analysis is employed to evaluate structural demands imposed by design earthquakes representing a range of hazard levels (e.g. immediate-occupancy, life-safety and collapse-prevention). First-order Taylor series and sensitivity analysis are employed to formulate corresponding performance constraints explicitly in terms of member sizing variables and target lateral displacements. A generalised optimality criteria algorithm is employed to find the least-weight structure that experiences minimal damage (as characterised by ductility demand) while simultaneously satisfying all performance constraints at all hazard levels. The design methodology is illustrated for a nine-storey planar steel building framework. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 3 van 6 gevonden artikelen
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