一种门座起重机金属结构疲劳寿命估算方法

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以门座起重机为研究对象,对其金属结构进行应力谱测试,通过雨流计数法进行数据分析处理,利用Miner线性累积损伤理论计算出金属结构的疲劳寿命.结合门座起重机的实际使用工况,计算出实际安全使用期限及剩余安全使用期限.
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