Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Nonlinear Analysis of Coupled Building-Foundation System Subjected to Lateral Loading Condition
https://orcid.org/http://orcid.org/0000-0002-6421-4900
https://orcid.org/http://orcid.org/0000-0003-1323-4327
https://orcid.org/http://orcid.org/0000-0001-7007-2729
Considerations of coupled building-frame and foundation-soil response becomes imperative while designing the building-frame-foundation-soil system for scenarios with possibilities of recognizable non-uniform distribution of structural loads to the foundation soil or vice-versa (e.g., structures subjected to seismic load). In addition, a coupled analysis of building frame-foundation system also enables a detailed exploration of the complex response of closely spaced footing network with overlapping pressure bulbs. The present study envisions to investigate the load-displacement response of a building-frame addressing the influence of soil-foundation system. The nonlinear response of a two-storeyed three-bay building-frame subjected to lateral loading has been analysed through a finite element based numerical framework in OpenSees. The response of the building frame resting on rigid ground has been modelled and further verified against the simulation results reported in the literature. Further, detailed numerical simulations have been carried out in order to explore the mesh convergence, soil domain convergence, and the influence of soil stiffness on the predicted response of building and foundation soil. It has been observed that for specific levels of lateral loading, the lateral displacement in the building frame may even increase by 100% owing to the reduction in the soil stiffness, which calls for special attention to such problems.
Nonlinear Analysis of Coupled Building-Foundation System Subjected to Lateral Loading Condition
https://orcid.org/http://orcid.org/0000-0002-6421-4900
https://orcid.org/http://orcid.org/0000-0003-1323-4327
https://orcid.org/http://orcid.org/0000-0001-7007-2729
Considerations of coupled building-frame and foundation-soil response becomes imperative while designing the building-frame-foundation-soil system for scenarios with possibilities of recognizable non-uniform distribution of structural loads to the foundation soil or vice-versa (e.g., structures subjected to seismic load). In addition, a coupled analysis of building frame-foundation system also enables a detailed exploration of the complex response of closely spaced footing network with overlapping pressure bulbs. The present study envisions to investigate the load-displacement response of a building-frame addressing the influence of soil-foundation system. The nonlinear response of a two-storeyed three-bay building-frame subjected to lateral loading has been analysed through a finite element based numerical framework in OpenSees. The response of the building frame resting on rigid ground has been modelled and further verified against the simulation results reported in the literature. Further, detailed numerical simulations have been carried out in order to explore the mesh convergence, soil domain convergence, and the influence of soil stiffness on the predicted response of building and foundation soil. It has been observed that for specific levels of lateral loading, the lateral displacement in the building frame may even increase by 100% owing to the reduction in the soil stiffness, which calls for special attention to such problems.
Nonlinear Analysis of Coupled Building-Foundation System Subjected to Lateral Loading Condition
https://orcid.org/http://orcid.org/0000-0002-6421-4900
https://orcid.org/http://orcid.org/0000-0003-1323-4327
https://orcid.org/http://orcid.org/0000-0001-7007-2729
Considerations of coupled building-frame and foundation-soil response becomes imperative while designing the building-frame-foundation-soil system for scenarios with possibilities of recognizable non-uniform distribution of structural loads to the foundation soil or vice-versa (e.g., structures subjected to seismic load). In addition, a coupled analysis of building frame-foundation system also enables a detailed exploration of the complex response of closely spaced footing network with overlapping pressure bulbs. The present study envisions to investigate the load-displacement response of a building-frame addressing the influence of soil-foundation system. The nonlinear response of a two-storeyed three-bay building-frame subjected to lateral loading has been analysed through a finite element based numerical framework in OpenSees. The response of the building frame resting on rigid ground has been modelled and further verified against the simulation results reported in the literature. Further, detailed numerical simulations have been carried out in order to explore the mesh convergence, soil domain convergence, and the influence of soil stiffness on the predicted response of building and foundation soil. It has been observed that for specific levels of lateral loading, the lateral displacement in the building frame may even increase by 100% owing to the reduction in the soil stiffness, which calls for special attention to such problems.
Nonlinear Analysis of Coupled Building-Foundation System Subjected to Lateral Loading Condition
Lecture Notes in Civil Engineering
Di Trapani, Fabio (Herausgeber:in) / Demartino, Cristoforo (Herausgeber:in) / Marano, Giuseppe Carlo (Herausgeber:in) / Monti, Giorgio (Herausgeber:in) / Saurkar, Atharv A. (Autor:in) / Mukherjee, Mousumi (Autor:in) / Sharma, Nishant (Autor:in) / Dey, Arindam (Autor:in)
Eurasian Conference on OpenSees ; 2022 ; Turin, Italy
20.04.2023
10 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
Coupled building-frame-foundation system , RC building frame , Shallow foundation , Soil stiffness , Nonlinear load-displacement response , Soil-structure interaction , OpenSees Engineering , Geoengineering, Foundations, Hydraulics , Geotechnical Engineering & Applied Earth Sciences , Natural Hazards , Building Construction and Design
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