钢闸门通常是用来开启、关闭局部水工建筑物中过水口的活动结构。它能够起到调节流量、控制水位，运送船只的效果。
【Key words】 bonding-steel strengthening technology; steel gate ; reinforcement; three-dimensional finite element method; experiment
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基于可靠性原理，确定了现役钢闸门结构构件最低可靠度设置标准。
According to the principles of reliability, minimal reliability criterion was determined to predict the remaining life of structural members of the existing hydraulic steel gate structures.
结果表明，喷涂聚脲弹性体可有效地防止挡潮闸钢闸门的腐蚀，具有较长期的经济效益。
It was found that the sprayed polyurea elastomer could be used to efficiently prevent the steel gate from corrosion, and the technology could have enormous long-term economic benefit.
并结合受蚀构件力学试验结果，按腐蚀状况等级，提出构件抗力修正方法，从而实现钢闸门构件的安全诊断。
With the results of mechanical experiments of corroded components, according to corrosion grades, resistance revision method is proposed for safety diagnosis of components of hydraulic steel gates.
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