Non-Linear Behaviour of CFST Columns at Elevated Temperature Under Monotonic Loading using Hyper Mesh & Abaqus Softwares (Conventional Concrete & LWC infill)
International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
www.ijsr.net | Open Access | Fully Refereed | Peer Reviewed International Journal

ISSN: 2319-7064

M.Tech / M.E / PhD Thesis | Civil Engineering | India | Volume 7 Issue 6, June 2018

Non-Linear Behaviour of CFST Columns at Elevated Temperature Under Monotonic Loading using Hyper Mesh & Abaqus Softwares (Conventional Concrete & LWC infill)

Shreyas N, Athiq Ulla Khan, Dr. N. S. Kumar

In the present research, Behaviour of Conventional & Lightweight Concrete Filled Steel Tube (CFST) under monotonic loading at elevated temperature is investigated using finite element method (Abaqus version 6.13.0.0). The parameters chosen for the study are geometry of the specimen circular section, different L/D ratios, different grades of conventional & lightweight concrete infill and different temperatures (30oC, 60oC, 90oC and 120oC). The study includes analytical investigation on a total of 84 specimens that includes twelve hollow and seventy-two specimens filled with conventional & lightweight concrete of grades M20, M25, and M30. The specimens including three L/D ratio and having a common thickness, which are subjected to different elevated temperature (30C, 60C, 90C & 120C) were tested the experimental column strengths are compared with values of the analytical results obtained by conducting nonlinear analysis using ABAQUS software. The analytical results indicated that with increase in the temperature the load carrying capacity of CFST decreases. The ultimate load carrying capacity is higher for conventional than lightweight concrete filled tubes.

Keywords: Nonlinear Analysis, Buckling Analysis, Mode Shapes, Conventional Concrete, Light weight Concrete, Filled Steel Tubes, Hollow tubes, Hyper Mesh Software version 130, Abaqus Software version 61300

Edition: Volume 7 Issue 6, June 2018

Pages: 372 - 376

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Shreyas N, Athiq Ulla Khan, Dr. N. S. Kumar, "Non-Linear Behaviour of CFST Columns at Elevated Temperature Under Monotonic Loading using Hyper Mesh & Abaqus Softwares (Conventional Concrete & LWC infill)", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=ART20183174, Volume 7 Issue 6, June 2018, 372 - 376

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