摘要
门式刚架中普遍采用的端板类连接是典型的半刚性节点连接,在介绍各国规范有关端板连接的设计规定和研究现状的基础上,采用转动弹簧来模拟端板连接节点的半刚性,利用ANSYS软件对半刚接门式刚架进行了非线性有限元分析,探讨了半刚性节点对门式刚架内力和位移的影响.算例表明,端板半刚性连接对门式刚架的内力和位移有较大影响.建议在设计中应采取相应措施,考虑节点半刚性的不利影响.
The end-plate connection in portal frame is a typical semi-rigid nodes connection. It is based on many countries ＇norms about designing rules and study of the end-plate connection, simulating the semi-rigid nodes of the end-plate connection by the rotary spring, analyzing the nonlinear finite element of semi-rigid portal frame by software（ANSYS）, and discussing the effects of portal frame＇s internal forces and displacements from semi-rigid nodes. From the example, it manifests that has a deep effects of portal frame＇s internal forces and displacements from semi-rigid nodes. So we suggest that must adopt methods in our designing, considering the disadvantageous effects of the semi-rigid nodes.
出处
《浙江工业大学学报》
CAS
2008年第2期221-225,共5页
Journal of Zhejiang University of Technology
关键词
半刚性节点
门式刚架
有限单元法
内力
位移
semi-rigid nodes
portal frame finite element method
internal force
displacement
