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圆端形钢管混凝土构件弱轴抗弯性能研究

Mechanical Behaviours of Concrete-filled Round End Steel Tubular Weak-axis Flexural Members
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摘要 为研究圆端形钢管混凝土构件弱轴抗弯性能,利用有限元分析软件ABAQUS对其进行模拟,对其破坏模式、受弯全过程进行了分析,并基于大量的参数分析结果,提出了圆端形钢管混凝土弱轴受弯构件抗弯承载力计算公式。研究结果表明:圆端形钢管混凝土弱轴受弯构件抗弯承载力随钢管壁厚、钢材强度、高宽比的增加而提高,而混凝土强度的改变对其抗弯性能的影响较小。 In order to study the mechanical behaviours of the concrete-filled round end steel tubular weak-axis flexural members,the finite element analysis software ABAQUS was used to simulate the failure mode and the whole bending process.Based on the analysis results of a large number of parameters,a formula for calculating the flexural strength of concrete-filled round end steel tubular weak-axis flexural members was proposed.The results showed that the flexural capacity of concrete-filled round end steel tubular weak-axis flexural members increased with the increase of wall thickness,steel strength and aspect ratio,while the change of concrete strength had less influence on the flexural performance.
作者 肖萌 XIAO Meng(School of Civil Engineering and Architecture,Wuhan University ofTechnology,Wuhan 430070,China)
出处 《建材世界》 2019年第3期48-51,共4页 The World of Building Materials
基金 国家自然科学基金面上项目(51778512)
关键词 圆端形钢管混凝土 抗弯性能 有限元分析 抗弯承载力 concrete-filled round end steel tubular members flexuralperformance finite element analysis flexural capacity
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