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首页> 外文期刊>International journal of mechanics and applications >3D ANSYS Modeling Behaviour of Encased Steel Composite Column with Wide Flange and Hollow Section
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3D ANSYS Modeling Behaviour of Encased Steel Composite Column with Wide Flange and Hollow Section

机译：宽法兰空心截面钢组合柱的3D ANSYS建模行为

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摘要

This paper discusses about 3D ANSYS FE modeling of the failure behavior of encased composite steel-concrete element. The capacity of axial load, deformation, stress, strain, fracture patterns and ductility is determined by what occurs on a single composite column with wide flange and hollow section of steel confinement. The results shows that the composite column can be analyzed using ANSYS software with modified model. The behavior of composite columns can be determined by the analysis of calculation and FEM that columns with tensile collapsed condition has a lower flexural capacity and collapse behavior is more ductile than that of the column with compressive collapse and balanced condition. According to Indonesian Structural Steel Code, manual calculation analysis is more suitable to represent the composite column behavior of collapsed condition. Based on the results of the analysis, it shows that the higher column capacity reduced ability ultimate axial load for the higher it is profile steel grade result improve ultimate load resistance, while influence encased steel to ultimate axial load for all model is not significant. The pattern of stress-strain distribution during yielding spreads throughout the column area, but when it reaches the ultimate distribution it is concentrated in the pedestal area. The first crack dominantly occurs in the support area and generally occurs in the concrete blanket layer, when it reaches the ultimate crack condition has already occurred evenly across the column area.
机译：本文讨论了包裹钢-混凝土组合构件的3D ANSYS有限元建模。轴向载荷，变形，应力，应变，断裂模式和延性的能力取决于在宽法兰和钢制中空截面的单个复合柱上发生的情况。结果表明，可以使用修改后的模型使用ANSYS软件对复合柱进行分析。通过计算分析和有限元分析可以确定复合材料柱的性能，与具有压缩塌陷和平衡状态的柱相比，具有抗拉塌陷状态的柱具有较低的挠曲能力，并且塌陷行为具有更好的延展性。根据《印尼结构钢规范》，手动计算分析更适合于表示倒塌状态下的复合柱行为。根据分析结果，表明型钢等级结果越高，柱容量越高，极限轴向载荷的承受能力越高，而所有模型对封闭钢的极限轴向载荷的影响均不显着。屈服过程中的应力-应变分布模式分布在整个圆柱区域，但当达到最终分布时，应力集中在基座区域。第一次裂缝主要发生在支撑区域，通常发生在混凝土覆盖层，当达到最终裂缝条件时，已经在整个柱子区域均匀地发生了。

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