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Resistance of through-plate component in beam-to-column joints with circular hollow columns

机译:圆形空心圆柱梁柱节点的穿板构件阻力

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摘要

A configuration of beam-to-column joint with circular hollow section columns is proposed. A vertical plate, called through-plate, passing through the column is used to support the beams. In order to facilitate connecting the beams, two horizontal plates, each side of the column, are welded to the upper side of the through-plate. The lower flanges of the steel beams are connected to the horizontal plates by bolts, and the upper flanges are attached to the concrete slab by shear connections. The joint is considered as hinges in the construction phase while semi-rigid and partial strength can be adopted for the joint behaviour during the exploitation time. A development on the through-plate component of the joint is presented in this paper. Global behaviour of the joint under hogging moment and shear force is analysed leading to a mechanical model of the through-plate component. Using the elastic buckling theory of plates, the analytical formulas for critical stresses of the through-plate are obtained. The coefficients taking into account boundary conditions, material plasticity and geometrical imperfection are determined by finite element analysis. The proposed model is validated by experimental results showing a good accuracy. The design guideline for the component is finally provided for the practical purpose.
机译:提出了具有圆形空心截面柱的梁到柱节点的配置。穿过柱子的垂直板(称为通板)用于支撑梁。为了便于连接梁,在立柱的每一侧将两个水平板焊接到通孔板的上侧。钢梁的下部法兰通过螺栓连接到水平板上,上部法兰通过剪切连接连接到混凝土板上。在施工阶段,接头被视为铰链,而在开采期间,接头的行为可以采用半刚性和部分强度。本文介绍了接头的通板组件的发展。分析了在弯矩和剪切力作用下接头的整体性能,从而得出了贯穿板组件的力学模型。利用板的弹性屈曲理论,获得了贯穿板的临界应力的解析公式。考虑到边界条件,材料可塑性和几何缺陷的系数是通过有限元分析确定的。实验结果验证了所提模型的准确性。最后为实际目的提供了组件的设计指南。

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