Abstract
This paper presents the effects of two support boundary conditions, viz. simply mounted and fixed on the buckling capacity of flat oval Lean Duplex Stainless Steel (LDSS) stub columns of two thicknesses (t = 20 mm and 5 mm, corresponding to Class 3 and 4 sections, respectively) under pure axial compression, analysed using Abaqus. It is observed that the ultimate load (Pu) capacity of both the boundary conditions (BCs) is similar for the Class 3 section, whereas simply mounted specimen showed lower value of Pu as compared to the fixed support boundary condition, for the Class 4 section considered. Further, in contrast to the Class 3 section, the Class 4 section with fixed BCs showed the formation of elephant foot near the end of column with denting located at the quarter height of column, while the simply mounted column showed mid-height denting only.
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Sachidananda, K., Singh, K.D. (2019). Numerical Study of the Effect of Boundary Conditions on Buckling Behaviour of Flat Oval LDSS Stub Column Under Axial Compression. In: Rao, A., Ramanjaneyulu, K. (eds) Recent Advances in Structural Engineering, Volume 1. Lecture Notes in Civil Engineering , vol 11. Springer, Singapore. https://doi.org/10.1007/978-981-13-0362-3_41
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DOI: https://doi.org/10.1007/978-981-13-0362-3_41
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