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首页> 外文期刊>Journal of structural engineering >Shear Strength of End Panels in Steel Plate Girders
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Shear Strength of End Panels in Steel Plate Girders

机译：钢板梁末端板的剪切强度

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Plate girders, usually characterized by having large depth-to-web thickness ratios, have been widely used for long-span applications in bridges and buildings. US design provisions (AISC specifications for building design and AASHTO specifications for bridge design) permit the strength contribution from tension-field action after web buckling in calculating the design shear strength of interior panels, but not exterior panels. Testing of four large-size steel plate girders demonstrated a much higher shear resistance of end panels than those predicted by code provisions. Based on the failure mode observed from both testing and finite element simulation, an analytical model was developed to simulate the collapse mechanism. Plastic analysis was used to derive a shear strength equation. This equation, similar in format to that used in current design codes for interior panels, includes a parameter beta(v) to account for the contribution of partial tension-field action. (C) 2021 American Society of Civil Engineers.
机译：平梁通常具有具有大深度到幅材厚度比的形状梁已广泛用于桥梁和建筑物中的长跨度应用。美国设计规定（AISC建筑设计和AASHTO规范的桥梁设计规范）允许在计算内部面板的设计剪切强度时，但不是外部面板，允许张力场行动的强度贡献。测试四个大型钢板梁的测试表明，端板的剪切电阻高于代码规定预测的剪切电阻。基于从测试和有限元模拟观察到的故障模式，开发了一种分析模型来模拟折叠机制。使用塑料分析来得出剪切强度方程。这种等式的格式类似于用于内部面板的当前设计代码，包括参数测试版（v），以考虑部分张力场动作的贡献。 （c）2021年美国土木工程师协会。

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