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Structural Engineering and Mechanics Volume 81, Number 2, January25 2022 , pages 131-146 DOI: https://doi.org/10.12989/sem.2022.81.2.131 |
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Numerical investigation of predicting the in-plane behavior of infilled frame with single diagonal strut models |
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Mohammed A. Bouarroudj and Zeineddine Boudaoud
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| Abstract | ||
| This study highlights the accuracy of several single strut models to predict the global response of infilled reinforced concrete (R/C) frames. To this aim, six experimental tests are selected to calibrate the numerical modeling. The width of the diagonal strut is calculated using several macro models from the literature. The mechanical properties of the diagonal strut are determined by using two methods: (a) by subtracting the bare frame response from that of the infilled frame, and (b) by calculating the axial strength in the diagonal direction. A combination between the different width and the axial force models is carried out to study the effects of each parameter on global response. Non-linear pushover analyses are conducted using SAP2000. The results indicate the accuracy of the macro-modeling approach to predict the behavior of the infilled frames. | ||
| Key Words | ||
| in-plane behavior; infilled frame; macro model; masonry infill; nonlinear analyses; strut model | ||
| Address | ||
| Mohammed A. Bouarroudj and Zeineddine Boudaoud: Department of Civil Engineering, University of Larbi Ben M | ||