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Open AccessArticle

Numerical Simulation and Parametric Analysis of Precast Concrete Beam-Slab Assembly Based on Layered Shell Elements

1
Key Laboratory of Concrete and Prestressed Concrete Structures of the Ministry of Education, Southeast University, Nanjing 211189, China
2
European Centre for Training and Research in Earthquake Engineering, 27100 Pavia, Italy
3
Department of Structures for Engineering and Architecture, University of Naples Federico II, 80125 Naples, Italy
*
Author to whom correspondence should be addressed.
Buildings 2021, 11(1), 7; https://doi.org/10.3390/buildings11010007
Received: 3 December 2020 / Revised: 18 December 2020 / Accepted: 22 December 2020 / Published: 24 December 2020
(This article belongs to the Special Issue Structural Analysis for Earthquake-Resistant Design of Buildings)
Precast concrete (PC) plays an important role in the industrialization processes of buildings, so it is critical to study the seismic performance of such structures. Several experimental and numerical studies have been conducted to investigate the behavior of PC beam-to-column connections. However, most of the previous studies neglect the contribution of slabs. In light of this, this paper presents a numerical simulation method for dry connected beam-slab assemblies based on the layered shell element available in OpenSees. The beams were modeled with fiber elements, while the slabs were modeled with layered shell elements. The developed model was validated by simulating a typical beam-slab assembly test, with the characteristics of hysteretic performance found to be well reflected by the model. Moreover, a parametric study was performed to quantify the influence of slab parameters. The results showed that the thickness of the slab had a significant effect on the hysteretic performance of the specimen and that the influence of the slab width was obviously reduced after it exceeded a certain limit. Besides, the effect of the reinforcement ratio on stiffness and loadbearing capacity was not obvious and was accompanied by a slight positive correlation with the energy dissipation capacity. View Full-Text
Keywords: precast concrete joints; beam-slab assemblies; layered shell elements; numerical simulation; OpenSees; parametric analysis precast concrete joints; beam-slab assemblies; layered shell elements; numerical simulation; OpenSees; parametric analysis
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MDPI and ACS Style

Feng, D.-C.; Xiong, C.-Z.; Brunesi, E.; Parisi, F.; Wu, G. Numerical Simulation and Parametric Analysis of Precast Concrete Beam-Slab Assembly Based on Layered Shell Elements. Buildings 2021, 11, 7. https://doi.org/10.3390/buildings11010007

AMA Style

Feng D-C, Xiong C-Z, Brunesi E, Parisi F, Wu G. Numerical Simulation and Parametric Analysis of Precast Concrete Beam-Slab Assembly Based on Layered Shell Elements. Buildings. 2021; 11(1):7. https://doi.org/10.3390/buildings11010007

Chicago/Turabian Style

Feng, De-Cheng; Xiong, Cheng-Zhuo; Brunesi, Emanuele; Parisi, Fulvio; Wu, Gang. 2021. "Numerical Simulation and Parametric Analysis of Precast Concrete Beam-Slab Assembly Based on Layered Shell Elements" Buildings 11, no. 1: 7. https://doi.org/10.3390/buildings11010007

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