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

机译:梯形腹板型钢截面的扩展端板连接的部分强度连接的标准化

摘要

Traditionally, connections are usually classified 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 and studies on the matter known as semi-continuous construction have proven that substantial savings in steel weight of theudoverall construction. The objective of this paper is to develop a series of standardised partial strength connections tables of extended end-plate connections for trapezoidal web profiled steel (TWP) sections. The range of standard connections presented in tabulated form is limited to eight tables comprised of different geometrical aspects of the connections. These tables could enhance the design of semi-continuous construction of multi-storey braced steeludframes. The connections are presented in the form of standardised tables which include moment capacity and shear capacity after considering all possible failure modes. A method proposed by Steel Construction Institute (SCI) which take into account the requirements in Eurocode 3 and BS 5950:2000 Part 1 were adopted to predict the moment capacity and shear capacity in developing the tables. A series of tests have been carried out to validate the results of the standardised tables. The test results showed good agreement between theoretical and experimental values. It can be concluded that the proposed standardised tables for TWP sections is suitable to be used in the design of semi-continuous construction.
机译:传统上,尽管已知实际行为介于这两种极端情况之间,但通常将连接分为固定或刚性连接。规范鼓励使用部分强度或半刚性连接,并且对称为半连续结构的问题的研究证明,可大大节省整体结构的钢重量。本文的目的是为梯形腹板异型钢(TWP)型材开发一系列扩展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八张表。这些桌子可以增强多层支撑钢 udframes半连续结构的设计。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。考虑到欧洲规范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。为了验证标准化表的结果,已经进行了一系列测试。试验结果表明理论值与实验值吻合良好。可以得出结论,建议的TWP截面标准表适用于半连续结构的设计。

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  • 年度 2008
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  • 正文语种 {"code":"en","name":"English","id":9}
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