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Numerical study of inelastic buckling behavior of rectangular steel plates with circular openings under shear forces

Cellular steel beam is flanged steel beam with circular openings of uniform diameter and distance
between each opening. The main benefit of such beam is to reduce the structural weight without reducing the strength significantly. A rectangular steel plate with circular opening is frequently used as a model of a web panel of such beam with vertical web stiffeners. The dimension of the plate is the dimension of the web bounded by top and bottom flanges and two adjacent vertical stiffeners. In this research, finite element method is utilized to perform inelastic buckling analyses of rectangular steel plates with circular openings under shear forces along all four edges assuming steel as elastic-perfectly-plastic material with yield stress of 250 MPa.
Both nonlinear geometry and nonlinear material are considered in the analyses. The objective of this research is to study buckling behavior of the plate in terms of buckling mode, critical load, and Von Mises (effective) stress distribution. The buckling shear loads of the plates of various length-to-width ratios of the plate (1.0, 1.25, and 1.50) and various opening-diameter-to-plate-width ratios (0.00, 0.05, 0.10, 0.15, 0.20, 0.25, 0.30, 0.35, 0.40, 0.45, 0.50) have been obtained from the analyses. The deformation and Von Mises stress distribution at every load level have been obtained as well from the finite element analyses. Equation to predict inelastic buckling shear force of a rectangular steel plates with circular opening under shear forces is proposed in this study. Verification of the method has been performed by comparing shear buckling loads resulted from finite element analyses with the analytical results in the elastic range.

Pernyataan Tanggungjawab Rajawali M. Akbar, Bambang Suryoatmono
Pengarang Akbar, Rajawali M. - Pengarang Utama
Suryoatmono, Bambang - Pengarang Tambahan
Edisi
No. Panggil
ISBN/ISSN
Subyek
Klasifikasi
Judul Seri
GMD Computer File
Bahasa English
Penerbit UGM, Hokkaido University, KIT, dan Unpar
Tahun Terbit 2018
Tempat Terbit Yogyakarta
Deskripsi Fisik p. 1 - 6
Info Detil Spesifik Makalah dipresentasikan pada International Conference on Sustainable Civil Engineering Structures and Construction Materials (ICSCESCM 2018). Makalah dipresentasikan pada International Conference on Sustainable Civil Engineering Structures and Construction Materials (ICSCESCM 2018). Yogyakarta, Indonesia, 5-7 September 2018. Yogyakarta, Indonesia, 5-7 September 2018.
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