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Steel and Composite Structures Volume 15, Number 6, December 2013 , pages 645-658 DOI: https://doi.org/10.12989/scs.2013.15.6.645 |
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Prediction of ultimate moment anchorage capacity of concrete filled steel box footing |
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Muhammad Aun Bashir, Hitoshi Furuuchi, Tamon Ueda and Nauman Bashir
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| Abstract | ||
| The objective of the study is to predict the moment anchorage capacity of the concrete filled steel box (CFSB) as footing by using the 3D finite element program CAMUI developed by authors' laboratory. The steel box is filled with concrete and concrete filled steel tube (CFT) column is inserted in the box. Numerical simulation of the experimental specimens was carried out after introducing the new constitutive model for post peak behavior of concrete in compression under confinement. The experimental program was conducted to verify the reliability of the simulation results by the FE program. The simulated peak loads agree reasonably with the experimental ones and was controlled by concrete crushing near the column. After confirming the reliability of the FEM simulation, effects of different parameters on the moment anchorage capacity of concrete filled steel box footing were clarified by conducting numerically parametric study. | ||
| Key Words | ||
| concrete filled steel box footing; 3D FEM analysis; moment capacity; parametric analysis | ||
| Address | ||
| (1) Muhammad Aun Bashir: Civil Engineering Department, Imam Muhammad ibn Saud Islamic University, Riyadh, KSA, Pakistan; (2) Hitoshi Furuuchi and Tamon Ueda: Division of Engineering and Policy for Sustainable Environment, Faculty of Engineering, Hokkaido University, Kita 13 Nishi 8, Kita-ku, Sapporo, Japan; (3) Nauman Bashir: Lecturer COMSATS, Sahiwal Campus, Pakistan. | ||