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首页> 外文会议>International Conference on Civil Engineering,Architecture and Building Materials >Experimental investigation of Structural Steel Welds at High Temperature
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Experimental investigation of Structural Steel Welds at High Temperature

机译：高温结构钢焊缝的实验研究

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This paper reports a set of experiments on the ultimate strength and fractural performance of structural steel welds at elevated temperatures. The results show that structural steel welds show distinctly different behavior below (including) 400°C and above 400°C. Below 400° C, the ultimate failure resistance fluctuates about the room temperature resistance and the failure was brittle fracture occurring to various locations of the welded region. Above 400° C, the ultimate failure resistance reduces quickly and the failure was by the tensile fracture of the interface between the weld and the steel with noticeable tensile elongation of the specimen. The results were supposed to help the design of structural steel connections for fire safety.
机译：本文报道了一套关于高温结构钢焊缝的最终强度和断裂性能的实验。结果表明，结构钢焊缝在400°C和400°C以上（包括）下方（包括）明显不同的行为。低于400°C，最终的失效电阻波动有关室温阻力，并且发生故障的脆性断裂发生在焊接区域的各个位置。高于400°C，最终的失效电阻快速减少，故障是通过焊缝和钢之间的界面的拉伸断裂，具有明显的标本的拉伸伸长伸长率。结果应该帮助设计防火安全的结构钢连接。

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