| 多层组合钢框架建筑的三维非线性动力连续性倒塌分析——参数研究 |
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| 摘 要： | 采用3维有限元模型进行多层组合钢框架建筑的连续性倒塌分析。当柱突然倒塌时,该模型可以反映多层建筑的整体3维性能。基于该模型,用于分析不同材料的结构性能的参数:结构钢的强度,混凝土的强度和钢筋网格尺寸。通过参数分析,给出延缓连续性倒塌的设计措施。
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| 关 键 词： | 连续性倒塌 连接 有限元 建模 |
3-D Nonlinear Dynamic Progressive Collapse Analysis of Multi-Storey Steel Composite Frame Buildings-Parametric Study |
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| Feng Fu. 3-D Nonlinear Dynamic Progressive Collapse Analysis of Multi-Storey Steel Composite Frame Buildings-Parametric Study[J]. Steel Construction, 2011, 0(1): 83 |
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| Authors: | Feng Fu |
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| Abstract: | A 3-dimensional finite element model built by the author was used in this paper to analyze the progressive collapse of a multi-storey steel composite frame building.The proposed model can represent the global 3-D behavior of the multi-storey building under the sudden column removal scenarios.Based on this model,parametric studies were carried out to investigate the structural behavior with variations in:strength of structural steel,strength of concrete and reinforcement mesh size.Through the parametric stud... |
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| Keywords: | Progressive collapse Connection Finite element Modelling |
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