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Standardisation of partial strength connections of flush end plate connections for trapezoid web profiled steel sections

机译:梯形腹板异型钢型材的齐平端板连接的部分强度连接的标准化

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摘要

Connections are usually designed as pinned or rigid although the actual behaviour is known to fall between these two extreme cases. The use of partial strength or semi-rigid connections has been encouraged by codes. Studies on the matter known as semicontinuous construction have proven that substantial savings in steel weight of the overall construction can be achieved. The objective of this paper is to develop a series of standardised partial strength connections tables of flush end-plate connections for trapezoidal web profiled steel (TWP) sections. The range of standard connections presented in tabulated form is limited to six tables comprised of different geometrical aspects of the connections. These tables could enhance the design of semi-continuous construction of multi-storey braced steel frames. The connections are presented in the form of standardised tables which include moment capacity and shear capacity after considering all possible failure modes. The moment capacity, shear capacity, geometrical aspects of the connections, the size of beams, and columns that are suitable with the connections are included in the standardised tables. A method proposed by Steel Construction Institute(SCI) which take into account the requirements inudEurocode 3 and BS 5950:2000 Part 1 were adopted to predict the moment capacity and shear capacity in developing the tables. This proposed method has been successfully applied to the establishment of standardised connections tables for hot-rolled British sections. Although the use of the proposed method is intended for hot rolled section, it is also possible to apply the same proposed method to TWP section provided that the predicted failure modes should comply with the requirements of Eurocode 3 and BS 5950:2000 Part 1 and the TWP section should at least classified as compact section. The moment capacity and shear capacity in the standard tables presented in this paper showed good agreement with the requirement of Eurocode 3 and BS 5950:2000 Part 1.
机译:尽管实际行为介于这两种极端情况之间,但通常将连接设计为固定或刚性连接。规范鼓励使用部分强度或半刚性连接。对被称为半连续结构的问题的研究证明,可以大大节省整个结构的钢重量。本文的目的是为梯形腹板异型钢(TWP)型材开发一系列齐平端板连接的标准化部分强度连接表。以表格形式显示的标准连接范围仅限于由连接的不同几何方面组成的六张表。这些桌子可以增强多层支撑钢框架的半连续结构设计。考虑到所有可能的失效模式后,连接以标准化表格的形式呈现,其中包括弯矩承载力和剪切承载力。标准化表格中包括弯矩承载力,抗剪承载力,连接的几何形状,梁的尺寸以及适合连接的柱子。考虑到 udEurocode 3和BS 5950:2000第1部分的要求,采用了钢结构研究所(SCI)提出的方法来预测表的弯矩承载力和剪切承载力。该建议方法已成功应用于建立热轧英国型材的标准化连接表。尽管所建议的方法旨在用于热轧型材,但也可以将相同的所建议的方法应用于TWP型材,前提是预测的失效模式应符合欧洲规范3和BS 5950:2000第1部分的要求。 TWP部分应至少分类为紧凑部分。本文标准表中的弯矩承载力和抗剪承载力与欧洲规范3和BS 5950:2000第1部分的要求非常吻合。

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