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首页> 外文期刊>International Journal of Performability Engineering >Nonlinear Finite Element Analysis of Anchored Blind-Bolted Joints to Concrete-Filled Steel Tubular Columns
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Nonlinear Finite Element Analysis of Anchored Blind-Bolted Joints to Concrete-Filled Steel Tubular Columns

机译：锚固盲螺栓接头与混凝土钢管柱的非线性有限元分析

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摘要

A nonlinear finite element analysis (FEA) on rectangular concrete-infilled tubular (CFT) column connections was conducted using the FEA software ABAQUS. In this analysis, loading path and stress distribution of the anchored blind-bolted (ABB) connections to CFT columns were clearly defined; influences of strength grade of bolts, thickness of endplates, vertical interval between bolts, diameter of bolts, and pretension on bolts on the studied connections were determined. The results of FEA indicate that the flush endplate connections of ABB CFT columns are typical semi-rigid connections. The established finite element (FE) model was verified by test results of six anchored blind-bolted flush endplate connections to CFT columns. The test results show that the model can accurately simulate mechanical performance of the ABB connections and is suitable for different forms of ABB connections to CFT columns.
机译：使用FEA软件ABAQUS进行矩形混凝土管状管（CFT）柱连接的非线性有限元分析（FEA）。 在该分析中，清楚地定义了与CFT柱的固定盲螺栓（ABB）连接的装载路径和应力分布; 确定了螺栓强度等级，螺栓厚度，螺栓，螺栓直径之间的垂直间隔和研究螺栓上的螺栓上的螺栓的螺栓的螺栓的螺栓的螺栓的螺栓的螺栓的螺栓的垂直间隔的影响。 FEA的结果表明ABB CFT柱的冲洗端板连接是典型的半刚性连接。 通过六个锚固的盲螺栓冲洗端板连接到CFT柱的测试结果验证了已建立的有限元（FE）模型。 测试结果表明，该模型可以准确地模拟ABB连接的机械性能，适用于与CFT列的不同形式的ABB连接。

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