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Numerical analysis of beam-to-column connection of pallet racks

机译:托盘架梁柱连接的数值分析

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The aim of this paper is a numerical study of the connections that are established between main elements of the steel structure of pallet racks, frames and beams. Frames that lie in the vertical plane consist of two perforated columns linked together by a system of diagonal and/or horizontal bracing welded or bolted to the columns. Beams connect adjacent frames and lie in the horizontal direction. Beam-end connectors are welded to or otherwise formed as an integral part of the beams, which has special devices which engage in holes or slots in the column. There are different types and designs of beam-end connectors which characterize the different racks manufacturers. Currently the only way to determine moment-rotation curve with structural properties of such connections is an experiment. In order to avoid a large number of expensive tests with aim to determine the main characteristics for different types of connection which in practice may be very much, this paper shows developed numerical model to simulate the experiment using the finite element method. Using the developed model can be made a global analysis of the structural behaviour and the calculation of elements according to the procedures defined in the relevant standards and recommendations.
机译:本文的目的是与托盘架,框架和梁钢结构的主要元件之间建立的连接的数值研究。位于垂直平面中的框架由两个穿孔柱组成,通过焊接或用螺栓连接到柱子的对角线和/或水平支撑系统连接在一起。光束连接相邻框架并位于水平方向上。光束端连接器被焊接到或以其他方式形成为光束的整体部分,其具有与柱中的孔或槽接合的特殊装置。有不同类型和设计的光束端连接器,其表征了不同的机架制造商。目前,确定具有这种连接结构性质的时刻旋转曲线的唯一方法是实验。为了避免大量昂贵的测试,目的是在实践中确定不同类型连接的主要特征,这篇论文显示了使用有限元法模拟实验的数值模型。使用开发的模型可以全局分析结构行为和根据相关标准和建议中定义的程序的元素计算。

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