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/lp/springer-journals/parametric-study-on-the-behavior-of-thin-walled-castellated-beams-fXRDcgCfpw
- Publisher
- Springer Journals
- Copyright
- Copyright © The Author(s), under exclusive licence to Springer Nature Switzerland AG 2022. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
- ISSN
- 1563-0854
- eISSN
- 2522-011X
- DOI
- 10.1007/s42107-022-00552-7
- Publisher site
- See Article on Publisher Site
Abstract
This paper presented a numerical study to investigate the behavior of thin-walled castellated beams (TWCBs). It was taken into account both the geometric and the material nonlinearities. Moreover, a finite-element analysis (FEA) using the ABAQUS program was carried out to simulate the full behavior of TWCBs using 3D shell elements with all possible failure modes. The accuracy of the FEA study was verified by comparing its results with the experimental results in the previous studies. An important point to be noted was that three types of TWCBs were considered in the numerical modeling. These three types were the shear dominate beam (SDB1), the moment and the shear dominate beam (MSDB), and the moment dominate beam (MDB1). The influence of the shear span to the depth (a/d) ratio on the shear behavior of the considered types of TWCBs was studied. To study the possibility of the occurance of new failure modes of TWCBs in flexure, the interaction between the membrane force, whether the tension, the compression combined or the bending moment was examined. The results showed that by increasing the shear span to depth ratio, the load-carrying capacity of SDB1, MSDB, and MDB1 decreased by 15%, 36.84%, and 71% for 2a/d, 5a/d and 8a/d, respectively, when compared to beams that had a/d. Moreover, the results showed that applying the membrane tension or the compression force as a first step loading might affect the overall behavior of the TWCBs.
Journal
Asian Journal of Civil Engineering – Springer Journals
Published: Jun 1, 2023
Keywords: Finite-element analysis; Thin-walled castellated beams; Web buckling; Flexural behavior; Shear behavior; ABAQUS