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Method for implementation of preparation, repair-restoration and finishing operations at repair of sections of gas pipelines placed on supports of girder crossings

机译:设置在大梁交叉口支撑处的输气管道部分的修复,修复和整修的实施方法

摘要

A method for implementation of preparation, repair-restoration and finishing operations at repair of sections of gas pipelines placed on supports of girder crossings without termination of transportation of gas by pipeline consists in lifting pipeline with respect to the support saddle, implementation of repair-restoration operations on pipeline and saddle, and installation of renewed pipeline to the support saddle. To increase quality and reliability of repair section of pipeline that is to be repaired is preliminarily before lifting diagnosed with determination of stressed-deformed state and respective setting permitted value of vertical displacement of given section of pipeline at its lift and needed safe modes of transportation of gas at that section.
机译:一种在大梁交叉口支架上放置天然气管道的部分进行修理而没有终止天然气输送的情况下进行准备,修理-恢复和完成操作的方法,该方法包括相对于支承鞍座提升管道,实施修理-恢复。管道和鞍座上的操作,以及将新的管道安装到支撑座上。为了提高要修理的管道的维修部分的质量和可靠性,首先要在提升之前对诊断进行确定,确定应力变形状态并确定给定管道在提升时的竖向位移的相应设置允许值以及所需的安全运输方式。在那部分加油。

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