等截面单窍门式刚架截面的工程应用等截面单窍门式刚架截面的工程应用 摘要: 文章讨论了在给定荷载和结构基本几何图形的前提下, 使用虚功原理, 对等截面单跨门式刚架进行破坏机构的极限分析; 确定截面塑性弯矩的安全适用范围和结构的重量函数后, 得出最小重量下的截面模量; 调整该截面模量, 拟定出门式刚架弹性分析的截面尺寸
关键词: 门式刚架; 单跨; 等截面; 截面尺寸 Abstract: This paper discusses the cross-section single span portal frame under a given load and structure of the basic geometry as the premise, the principle of virtual work, take the limit analysis of the destruction of institutions; to determine the safety of the scope and structure of section plastic moment the weight function is derived under the minimum weight section modulus; adjust the section modulus to draw out the frame elastic analysis section size
Key words: door frame; single span; and other cross-section; section size 中图分类号:K826
16 文献标识码: A 文章编号:2095-2104(2025)06-0020-02 门式刚架的设计方法多采纳弹性设计法