【摘要】 采用有限元软件ANSYS对两层和三层的两个单跨钢框架模型分别进行静力、特征值屈曲和模态分析,研究节点半刚性连接钢框架在外荷载作用下的性能,通过与相应的刚性连接钢框架比较,得出半刚性连接对结构内力、位移、稳定性和周期产生的影响。最后,为使结构设计更合理并与结构实际状态更相符而提出了一些结论和建议。更多还原

【Abstract】 With the finite element analysis software of "ANSYS",one-bay two-floor and three-floor steel frames with semi-rigid connections were analyzed by static analysis,eigen buckling annalysis and modal analysis.The behaviors of internal forces,displacement,stability and period with different rotational stiffness of semi-rigid steel frame were discussed.By comparison with the behaviors of relevant rigid steel frame,the influence of semi-rigid connection on those above-mentioned behaviors was founded.Finally,some conclusion and suggestion is recommended to make the structure design more reasonable and agree with actual appearance of the structure.更多还原