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首页> 外文期刊>International journal of steel structures >A Generalized Analytical Method to Evaluate the Post-limit Properties of Joints in Bending Moment According to Eurocode3
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A Generalized Analytical Method to Evaluate the Post-limit Properties of Joints in Bending Moment According to Eurocode3

机译：欧古德3评价弯矩关节后关节后限价的广义分析方法

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摘要

On the structural analysis, connection effects should be evaluated in terms of rotational stiffness and ultimate strength; this makes it possible to obtain realistic behavior of the structure. In this research, a simple analytical evaluation is carried out to predict the behaviors of the connections as a bi-linear curve. Mechanical properties of the initial and the second parts of this curve are obtained by component-based method and a suggested classification method, respectively. The component-based method represents a joint by using a combination of rigid and flexible components. Each of the components is modeled by means of specific stiffness and strength values and they are assembled together to obtain the initial mechanical properties of the joint. The suggested classification method classifies all the components in a connection into three groups based on comparing the ultimate and the design moment strength of each component with those of the connection. By considering this procedure, a new equation is proposed to determine joint post-limit rotational stiffness. This simple and fast method is applicable to any type of joints regardless of profile type and applied loading. The proposed method is applied to a bolted angle, an end-plate to rectangular hollow section column and two bolted end-plate beam-to-column connections. The results are compared with those obtained from some other analytical, numerical and experimental methods. The outputs confirm that the proposed method is simpler, more accurate and less time consume than the other methods.
机译：在结构分析上，应在旋转刚度和极限强度方面进行连接效果;这使得可以获得结构的现实行为。在该研究中，进行简单的分析评估以预测连接作为双线性曲线的关系的行为。该曲线的初始和第二部分的机械性能分别通过基于组分的方法和建议的分类方法获得。通过使用刚性和柔性部件的组合来表示基于组分的方法。每个组分通过特定刚度和强度值建模，并且它们组装在一起以获得接头的初始机械性能。建议的分类方法基于将每个组件与连接的最终和设计时刻强度进行比较，将连接中的所有组件分类为三组。通过考虑该程序，提出了一种新的方程来确定联合限级旋转刚度。这种简单快速的方法适用于任何类型的关节，无论型材类型和施加载荷如何。将所提出的方法应用于螺栓角，端板到矩形中空部分柱和两个螺栓端板束到柱连接。将结果与来自其他分析，数值和实验方法获得的结果进行比较。输出确认所提出的方法更简单，更准确，时间比其他方法更少。

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