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鋼構(gòu)件除銹防腐的基本知識(shí)(0/0)

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時(shí)間:2021-01-12 11:54:52 | 瀏覽次 | 已有條評(píng)論

鋼材銹蝕不僅使截面積減小，性能降低甚至報(bào)廢，而且因產(chǎn)生銹坑，可造成應(yīng)力集中，加速結(jié)構(gòu)破壞。尤其在沖擊荷載、循環(huán)交變荷載作用下，將產(chǎn)生銹蝕疲勞現(xiàn)象，使鋼材的疲勞強(qiáng)度大為降低，甚至出現(xiàn)脆性斷裂。

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