安徽省池州段长江大跨越345 m超高杆塔是国家“西电东送”工程中白鹤滩-浙江±800 kV特高压直流输电线线路的重点工程。在超高杆塔施工中对摇臂抱杆高空吊装全过程受力分析是保证施工安全、保障西电东送工程顺利竣工的重要手段。开展了模拟施工过程的摇臂抱杆调幅加载试验,明确了分级加载下摇臂抱杆的全过程受力特征,建立了考虑动力特性的摇臂抱杆高空吊装有限元分析模型,明晰了在实际荷载工况下结构重要杆件与节点的应力分布规律,并基于诸多关键工况分析优化了高空摇臂抱杆的设计方案 ...
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An J, Chi Z, Zhao C, Li Y, Wang R, Hu Y.
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Lyu GZ, Zhao P.
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Liu K, Zhang J, Shi J, Fang H, Li X.
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