Axial buckling of perforated plates reinforced with strips and middle tubes |
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| Affiliation: | 1. School of Civil Engineering, Iran University of Science and Technology, Narmak, Tehran 16846, Iran;2. The Centre of Excellence for Fundamental Studies in Structural Engineering, Iran University of Science and Technology, Narmak, Tehran 16846, Iran;3. Department of Civil Engineering, Shahid Rajaee Teacher Training University, Lavizan, Tehran, Iran;1. School of Mechanical Engineering, College of Engineering, University of Tehran, Tehran, Iran;2. Department of Mechanical Engineering, Faculty of Engineering, Arak University, Arak 38156-88349, Iran;1. Department of Mechanical and Industrial Engineering, New Jersey Institute of Technology, 200 Central Avenue, Newark, NJ, USA;2. Department of Mathematical Sciences, New Jersey Institute of Technology, Newark, NJ, USA |
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| Abstract: | Global buckling of perforated plates reinforced with circumferential strip or short tube is investigated. Effects of the hole radius, width of the strip, thickness and radius of the tube and boundary conditions are studied numerically and experimentally. Axial buckling loads of the holed plates decrease versus the hole radius. By using the strip or tube, the buckling strength increases significantly. In some cases, the stiffened plate has buckling load greater than the perfect plate. Numerical studies showed that the increasing restraints at the boundaries increase the buckling strength in any case and geometry of the plate. |
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| Keywords: | Buckling load Reinforced plates Circular hole Compressive loading |
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