To study the law of corrosion on the mechanical properties of the components used in spatial steel structures and obtain the load-carrying capability of circular steel tubes under varying degrees of corrosion, experiments on a periodic spray have been designed to study the accelerated corrosion and axial loading of tubes without a protective layer. The experiment results show that the yield and ultimate load-carrying capacities of the components are heavily influenced by the corrosion, the latter being more sensitive to corrosion, and that a good functional relationship exists between the weight loss ratio and the load-carrying capability of the corrosive components. In addition, a finite element model of a circular steel tube experiencing corrosion has been established using ANSYS with an equivalent cross-section reduction method to simulate of the experiment results. The simulation results agree well with the experiment results, which effectively indicates that the corrosion of the steel tube components obeys the uniform corrosion law. And the equivalent cross-section reduction method also possesses good reliability. The results of the study provide a technical reference for research on the mechanical properties of larger building components such as circular steel tubes experiencing corrosion.

中文翻译：

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考虑均匀腐蚀效应的建筑钢管的轴向承载能力

为了研究腐蚀对空间钢结构部件力学性能的规律并获得圆形钢管在不同腐蚀程度下的承载能力，设计了周期性喷涂实验来研究加速腐蚀和轴向腐蚀。加载没有保护层的试管。实验结果表明，腐蚀对零件的屈服强度和极限承载能力有较大影响，而腐蚀对腐蚀的敏感性更高，且失重率与合金的承载能力之间存在良好的函数关系。腐蚀性成分。此外，利用ANSYS建立了具有等效截面减小方法的腐蚀圆形钢管的有限元模型，以模拟实验结果。仿真结果与实验结果吻合良好，有效地表明了钢管构件的腐蚀遵循均匀腐蚀规律。并且等效截面减小方法也具有良好的可靠性。研究结果为研究大型建筑构件（如受腐蚀的圆形钢管）的力学性能提供了技术参考。并且等效截面减小方法也具有良好的可靠性。研究结果为研究大型建筑构件（如受腐蚀的圆形钢管）的力学性能提供了技术参考。并且等效截面减小方法也具有良好的可靠性。研究结果为研究大型建筑构件（如受腐蚀的圆形钢管）的力学性能提供了技术参考。