Refined and Simplified Simulations for Steel–Concrete–Steel Structures
Steel–concrete–steel (SCS) sandwich structures have gained increasing interest in new constructions. The external steel plates increase the stiffness, the sustainability, and the strength of the structures under some extreme solicitations. Moreover, the use of these plates as lost prefabricated form...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
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MDPI AG
2023-10-01
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| Series: | Applied Mechanics |
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| Online Access: | https://www.mdpi.com/2673-3161/4/4/55 |
| _version_ | 1797382156785287168 |
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| author | Robine Calixte Ludovic Jason Luc Davenne |
| author_facet | Robine Calixte Ludovic Jason Luc Davenne |
| author_sort | Robine Calixte |
| collection | DOAJ |
| description | Steel–concrete–steel (SCS) sandwich structures have gained increasing interest in new constructions. The external steel plates increase the stiffness, the sustainability, and the strength of the structures under some extreme solicitations. Moreover, the use of these plates as lost prefabricated formwork makes SCS structures modular, enabling higher construction rates. However, for a better understanding of the complex behavior of these structures up to failure, refined numerical simulations are needed to consider various local phenomena, such as concrete crushing in compression and interface interactions. Indeed, the highly non-linear steel–concrete interaction around the dowels is the key point of the composite action. In this contribution, a refined methodology is first proposed and applied on a push-out test. It is especially demonstrated that a regularization technique in compression is needed for the concrete model. Interface elements are also developed and associated with a nonlinear constitutive law between steel connectors and external plates. From this refined methodology, simplified numerical modeling is then deduced and validated. Directly applied to an SCS wall-to-wall junction, this simplified strategy enables the reproduction of the overall behavior, including the elastic phase, the degradation of the system, and the failure mode. The response of each component is particularly analyzed, and the key points of the behavior are highlighted. |
| first_indexed | 2024-03-08T21:02:18Z |
| format | Article |
| id | doaj.art-28ed3513ae094128a478279fc2d47e9a |
| institution | Directory Open Access Journal |
| issn | 2673-3161 |
| language | English |
| last_indexed | 2024-03-08T21:02:18Z |
| publishDate | 2023-10-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Applied Mechanics |
| spelling | doaj.art-28ed3513ae094128a478279fc2d47e9a2023-12-22T13:48:50ZengMDPI AGApplied Mechanics2673-31612023-10-01441078109910.3390/applmech4040055Refined and Simplified Simulations for Steel–Concrete–Steel StructuresRobine Calixte0Ludovic Jason1Luc Davenne2CEA, Service d’Études Mécaniques et Thermiques, Université Paris Saclay, 91191 Gif-sur-Yvette, FranceCEA, Service d’Études Mécaniques et Thermiques, Université Paris Saclay, 91191 Gif-sur-Yvette, FranceLaboratoire Energétique Mécanique Electromagnétisme, Université Paris Lumières, 92410 Ville-d’Avray, FranceSteel–concrete–steel (SCS) sandwich structures have gained increasing interest in new constructions. The external steel plates increase the stiffness, the sustainability, and the strength of the structures under some extreme solicitations. Moreover, the use of these plates as lost prefabricated formwork makes SCS structures modular, enabling higher construction rates. However, for a better understanding of the complex behavior of these structures up to failure, refined numerical simulations are needed to consider various local phenomena, such as concrete crushing in compression and interface interactions. Indeed, the highly non-linear steel–concrete interaction around the dowels is the key point of the composite action. In this contribution, a refined methodology is first proposed and applied on a push-out test. It is especially demonstrated that a regularization technique in compression is needed for the concrete model. Interface elements are also developed and associated with a nonlinear constitutive law between steel connectors and external plates. From this refined methodology, simplified numerical modeling is then deduced and validated. Directly applied to an SCS wall-to-wall junction, this simplified strategy enables the reproduction of the overall behavior, including the elastic phase, the degradation of the system, and the failure mode. The response of each component is particularly analyzed, and the key points of the behavior are highlighted.https://www.mdpi.com/2673-3161/4/4/55steel–concrete–steel junctionspush-out testnumerical modelingrefined modelingregularization in compressionsimplified modeling |
| spellingShingle | Robine Calixte Ludovic Jason Luc Davenne Refined and Simplified Simulations for Steel–Concrete–Steel Structures Applied Mechanics steel–concrete–steel junctions push-out test numerical modeling refined modeling regularization in compression simplified modeling |
| title | Refined and Simplified Simulations for Steel–Concrete–Steel Structures |
| title_full | Refined and Simplified Simulations for Steel–Concrete–Steel Structures |
| title_fullStr | Refined and Simplified Simulations for Steel–Concrete–Steel Structures |
| title_full_unstemmed | Refined and Simplified Simulations for Steel–Concrete–Steel Structures |
| title_short | Refined and Simplified Simulations for Steel–Concrete–Steel Structures |
| title_sort | refined and simplified simulations for steel concrete steel structures |
| topic | steel–concrete–steel junctions push-out test numerical modeling refined modeling regularization in compression simplified modeling |
| url | https://www.mdpi.com/2673-3161/4/4/55 |
| work_keys_str_mv | AT robinecalixte refinedandsimplifiedsimulationsforsteelconcretesteelstructures AT ludovicjason refinedandsimplifiedsimulationsforsteelconcretesteelstructures AT lucdavenne refinedandsimplifiedsimulationsforsteelconcretesteelstructures |