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Behavior of Steel Column-Trees under Fire Conditions
| 题名： | Behavior of Steel Column-Trees under Fire Conditions |
| 其他题名： | ABAQUS.2008.Abaqus analysis user's manual version 6.8.Providence,RI:Dassault Systemes Simulia Corp. |
| 正文语种： | 英文 |
| 作者： | Mohammadreza Eslami |
| 关键词： | Fire resistance;Bolted splice connections;Column-tree moment-resisting frame (MRF);Finite element modeling |
| 摘要： | A numerical study on the fire performance of bolted splice connections is presented. A finite element (FE) model, incorporating geometric and material nonlinearities, nonlinear contact interactions, and elevated temperature properties of steel was developed for undertaking fire response analyses. The model was validated by comparing its predictions with experimental data. To investigate the effect of critical factors on the behavior of beams and their bolted splice connections, parametric studies were performed using the validated model. Results from the parametric studies indicate that the gaps between link and stub beams, free length of flange splice plate, and thermal gradients developed during fire exposure have a significant effect on fire response of bolted splice connections. The beam fails when deflections exceed the limiting value specified in the current standard. Results also indicate that temperature gradients, lateral restraints, and levels of axial stiffness significantly influence the fire behavior of the beams in column-tree moment-resisting frames. |
| 出版年： | 2018 |
| 论文唯一标识： | P-26Y2018V144N09008 |
| 英文栏目名称： | TECHNICAL PAPERS |
| doi： | 10.1061/(ASCE)ST.1943-541X.0002135 |
| 期刊名称： | Journal of Structural Engineering |
| 拼音刊名(出版物代码)： | P-26 |
| 卷： | 144 |
| 期： | 09 |
| 页码： | 85-99 |
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