Modelling of soil-structure interaction in OpenSees: A practical approach for performance-based seismic design
| Autor: | José Miguel Castro, Aires Colaço, Pedro Alves Costa, Smail Kechidi, Mário C. Marques |
|---|---|
| Rok vydání: | 2021 |
| Předmět: |
business.industry
Computer science Frame (networking) 0211 other engineering and technologies Stiffness 020101 civil engineering 02 engineering and technology Building and Construction Structural engineering Amplification factor Finite element method 0201 civil engineering Seismic analysis Vibration OpenSees Soil structure interaction 021105 building & construction Architecture medicine medicine.symptom Safety Risk Reliability and Quality business Civil and Structural Engineering |
| Zdroj: | Structures. 30:75-88 |
| ISSN: | 2352-0124 |
| DOI: | 10.1016/j.istruc.2021.01.006 |
| Popis: | In this paper, a numerical tool based on the Monkey-tail fundamental lumped parameter model is proposed for the simulation of dynamic soil-structure interaction (SSI). The proposed model has been implemented in the OpenSees finite element environment where the input parameters are merely function of the soil properties. The ease of use, accuracy and versatility of the proposed model is demonstrated in order to encourage its use within, among others, the practicing engineers’ community. Furthermore, the influence of the SSI and local soil conditions (i.e., site effect) on the seismic response of two 5-storey steel moment-resisting frame buildings has been investigated. Preliminary results shed light on the influence of these two geotechnical aspects on the structural seismic response where peak floor displacements and inter-storey drifts considering the SSI are even larger in the lower stories than those of the fixed base case. Furthermore, the results revealed the dependence of the soil amplification factor on the fundamental period of vibration, seismic intensity level and soil stiffness which are not taken into account by the current European design codes. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|
Full Text from ScienceDirect