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首页> 外文期刊>International journal of steel structures >Response of double angle and shear endplate connections at elevated temperatures
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Response of double angle and shear endplate connections at elevated temperatures

机译：高温下双角和剪切端板连接的响应

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Double angle and shear endplate connections are considered simple-beam end framing connections designed to carry gravity loads only. However, during a fire event, additional thermal induced axial forces might develop in the beam and cause failure of the connection. This paper presents the results of finite element (FE) simulations on double angle and shear endplate connections assemblies in fire. FE simulations are validated against experimental results of double angle and shear endplate connections at elevated temperature. A detailed comparison of the variation of the axial force during the heating and cooling phases of a fire is made between the two connections covering the following parameters: load ratio, beam length, and double angle and shear endplate thickness and location. The results can help future design guidelines to account for the thermal induced forces and deformations in double angle and shear endplate connections during a fire.
机译：双角和抗剪端板连接被认为是仅用于承受重力载荷的单梁端框架连接。但是，在发生火灾时，可能会在梁中产生额外的热感应轴向力，并导致连接失败。本文介绍了火灾中双角和剪切端板连接组件的有限元（FE）仿真结果。有限元仿真针对高温下双角和剪切端板连接的实验结果进行了验证。在涉及以下参数的两个连接之间详细比较了火在加热和冷却阶段的轴向力变化：负载率，梁长度，双角和剪切端板的厚度和位置。结果可帮助将来的设计指南解决火灾期间双角和剪切端板连接中的热感应力和变形。

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