The stress-strain state of buried pipelines with Π-shaped expansion bends under elastic and viscoelastic interaction with the soil is considered on the basis of real earthquakes records.

中文翻译：

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基于真实地震记录的复杂构造埋地管道抗震性能评估

根据真实的地震记录，考虑了具有π形伸缩弯的地下管道在与土壤的弹性和粘弹作用下的应力-应变状态。