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	平面内弯矩作用下T型铸钢节点承载性能分析
	孙鹏 ; 王元清 ; 石永久 ; SUN Peng ; WANG Yuan-qing ; SHI Yong-jiu
	2010-06-07 ; 2010-06-07
关键词	铸钢节点 极限承载力 非线性 有限元 cast tubular joints ultimate loading capacity non-linear analysis finite element TU392.1
其他题名	Non-linear analysis on cast tubular T-joint loaded by in-plane bending
中文摘要	目前的管节点设计规范中通常只给出支管轴力作用下的承载力设计值,而没有给出支管在弯矩作用下的承载力公式。但是事实上,很多钢管结构的构件当中存在着不可忽略的弯矩作用,甚至节点的承载力也是由弯矩控制而不是轴力。因此,我们有必要对铸钢节点在弯矩作用下的承载性能进行理论分析。本文针对T型铸钢节点,通过 Solidworks软件建立三维模型,采用通用有限元软件Ansys进行非线性分析。结合有限元计算结果,对T型铸钢节点在平面内弯矩作用下的承载力进行了参数分析,给出了T型铸钢节点在支管受平面内弯矩作用下的极限承载力公式。在焊接管节点几何参数的基础上,铸钢节点增加了由c．D．Edwards首次提出的倒角系数ρ。本文重点讨论了该系数对铸钢节点承载力的影响。; Designing values of bearing capacities under axial forces other than bending moments are given in the existing cast tubular joints designing specifications. But the fact is that, in most cases, it is bending moments, not axial forces that control the joint bearing capacity, which should not be neglected. So it is necessary to theoretically analysis cast joint bearing performances under bending moments. For cast T-joint, by making geometry model using solidworks, Non-linear analysis was done using Ansys, a commercial finite element programme. Parametric equations of ultimate loading capacity derived from the results of finite element analysis are presented for the usual range of basic shapes of T-joints loaded by in-plane bending. The sensitivity of the ultimate loading capacity in cast tubular joints to variation in the geometric parameters has been assessed. Besides the parameters which governing the stresses in welded joints, an additional parameter ρthat is defined by C. D. Edwards has been introduced to describe the size of fillet. In this paper, the sensitivity of ultimate loading capacity of cast tubular joints to the parameter p is presented.; 北京市自然科学基金(8053021)
语种	中文 ; 中文
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/46735]
专题	清华大学
推荐引用方式 GB/T 7714	孙鹏,王元清,石永久,等. 平面内弯矩作用下T型铸钢节点承载性能分析[J],2010, 2010.
APA	孙鹏,王元清,石永久,SUN Peng,WANG Yuan-qing,&SHI Yong-jiu.(2010).平面内弯矩作用下T型铸钢节点承载性能分析..
MLA	孙鹏,et al."平面内弯矩作用下T型铸钢节点承载性能分析".(2010).

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