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钢构件除锈防腐的基本知识(0/0)

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时间:2021-01-12 11:54:52 | 浏览次 | 已有条评论

钢材锈蚀不仅使截面积减小，性能降低甚至报废，而且因产生锈坑，可造成应力集中，加速结构破坏。尤其在冲击荷载、循环交变荷载作用下，将产生锈蚀疲劳现象，使钢材的疲劳强度大为降低，甚至出现脆性断裂。

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