论文部分内容阅读
冷弯不锈钢构件耐腐蚀性高、抗力与质量的比率较高,因而被广泛使用,但其对弯曲十分敏感,易发生腹板压屈(横向集中荷载引起的腹板局部屈曲)等现象,必须加以考虑。另一方面,出现了镍含量很低的铁素体不锈钢,与奥氏体不锈钢和双相不锈钢相比,铁素体不锈钢更便宜,而且价格相对比较稳定。下一步将提出有效的设计准则,由此基于数值模拟给出腹板压屈抗力的统一表达式,并利用试验结果对其进行验证。
Cold-formed stainless steel components are widely used due to their high corrosion resistance and high ratio of resistance to mass. However, they are very sensitive to bending and prone to web buckling (local buckling of the web due to lateral concentrated load). They must Consider it. On the other hand, ferritic stainless steels with a very low nickel content have emerged. Compared with austenitic stainless steels and duplex stainless steels, ferritic stainless steels are cheaper and the prices are relatively stable. The next step will be to put forward effective design criteria, thus giving a unified expression of web buckling resistance based on numerical simulation and validating the results with the test results.