Evaluation of Prestressed Reinforced Concrete Slab Punching Shear Using Finite Element Method
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Bibliographic Details
| Author(s): |
Zhang Zhi
(Thornton Tomasetti, New York, NY, USA)
Liling Cao (Thornton Tomasetti, New York, NY, USA) Anurag Bura (Thornton Tomasetti, New York, NY, USA) Chanjuan Zhou (Thornton Tomasetti, New York, NY, USA) Lisa Davey (Thornton Tomasetti, Boston, MA, USA) Seyebabak Momenzadeh (Thornton Tomasetti, San Francisco, CA, USA) |
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| Medium: | conference paper | ||||
| Language(s): | English | ||||
| Conference: | IABSE Symposium: Challenges for Existing and Oncoming Structures, Prague, Czech Republic, 25-27 May 2022 | ||||
| Published in: | IABSE Symposium Prague 2022 | ||||
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| Page(s): | 1404-1409 | ||||
| Total no. of pages: | 6 | ||||
| DOI: | 10.2749/prague.2022.1404 | ||||
| Abstract: |
Punching shear is critical for two-way reinforced concrete flat slab. The unbalanced moment at the column-slab joint is transferred via slab moment and shear forces. ACI 318 provides an equation to evaluate the punching shear under the design load, without considering the effect from differential foundation settlement, which may govern he slab design. This paper studies a prestressed reinforced concrete slab under differential settlements using the finite element modeling (FEM) methodology. The methodology to extract data for punching shear check for the FEM is described and correlated with the corresponding code provisions. The study indicates that FE analysis results should be carefully reviewed and processed in order to perform accurate punching shear evaluation. Conclusions are made based on the case study to help engineers understand the punching shear behavior in prestressed and non-prestressed reinforced concrete slabs. |
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| Keywords: |
punching shear finite element model differential settlement prestressed reinforced concrete slab
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| Copyright: | © 2022 International Association for Bridge and Structural Engineering (IABSE) | ||||
| License: | This creative work is copyrighted material and may not be used without explicit approval by the author and/or copyright owner. |
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