建筑钢结构进展2025，Vol.27Issue(11)：32-44,13.DOI:10.13969/j.jzgjgjz.20240528001
双相不锈钢S32001角钢悬臂构件弯扭屈曲性能及设计方法研究
Behavior and Design Method for Flexural-Torsional Buckling of Duplex Stainless Steel S32001 Angle Steel Cantilevered Members
叶守杰 1王培军 2刘泉维 1朱浩 2全宇 2赵继增1
作者信息
- 1. 青岛地铁集团有限公司,山东 青岛 266011
- 2. 山东大学 土建与水利学院,济南 250061
- 折叠
摘要
Abstract
Duplex stainless steel S32001 offers excellent strength and cost-effectiveness,but research on structural steel components made from this material is currently limited.This study focuses on the flexural-torsional buckling behavior of cold-formed angle steel cantilevered beams made from S32001.First,based on the cold-formed angle steel equipment brackets for rail transit zones,bending tests on angle steel cantilevered beams were conducted,with key parameters including section dimensions and cantilever length.Subsequently,a finite element model was developed for extensive parameter analysis.The results indicated that all specimens experienced design-related flexural-torsional buckling failures.Reducing the length-to-thickness ratio and leg length ratio significantly improved the load-bearing capacity of the components.Finally,a comparison was made between the load-bearing capacity predictions from the AISC 360-16 standard for non-slender section angle steel cantilevered components and those obtained from finite element analysis.The results showed that the standard's predictions were only accurate for angle steel beams with unequal leg lengths.The prediction formula for angle steel beams with equal leg lengths was revised based on numerical simulation results,and the revised formula closely matched the finite element analysis results.关键词
双相不锈钢S32001/冷弯角钢/悬臂构件/弯扭屈曲/计算方法Key words
duplex stainless steel S32001/cold-formed angle steel/cantilever member/flexural-torsional buckling/design method分类
建筑与水利引用本文复制引用
叶守杰,王培军,刘泉维,朱浩,全宇,赵继增..双相不锈钢S32001角钢悬臂构件弯扭屈曲性能及设计方法研究[J].建筑钢结构进展,2025,27(11):32-44,13.
