CIPP修复内衬-埋地柔性管道复合结构受力特性数值模拟研究OA
Numerical Simulation Study on Mechanical Characteristics of Liner-Buried Flexible Pipe Line Composite Structure by CIPP Repair
柔性管道广泛应用于地下管网工程中,但随着使用年限增加,大量柔性管道亟待修复.原位固化法(curried in place pipe,CIPP)是一种常用的非开挖管道修复技术.为研究CIPP修复内衬-埋地柔性管道复合结构的受力特性,构建了土体-埋地柔性管道-内衬相互作用的二维有限元模型,并通过与土箱模型试验结果进行对比验证了有限元模型的可靠性.通过参数敏感性分析讨论了内衬弹性模量、内衬壁厚、管周土体密实度和初始椭圆度对CIPP修复内衬-埋地柔性管道…查看全部>>
Flexible pipelines are widely used in underground pipeline engineering.With the increase of service life,a large number of flexible pipelines are urgently needed to be repaired.Curied in place pipe(CIPP)is a commonly non excavation pipeline repair technique.In order to study the mechanical characteristics of liner-buried flexible pipeline composite structure by CIPP repair,a 2D finite element model of soil-buried flexible pipeline-lining inter-action was con…查看全部>>
李景
中铁十八局集团有限公司,天津 300222
土木建筑
非开挖原位固化法复合结构数值模拟
trenchlesscurried in place pipecomposite structurenumerical simulation
《市政技术》 2024 (4)
261-269,9
浙江省自然科学基金项目(LGG20E080005)中铁十八局集团有限公司核力创新项目(G19-09)
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