According to the practical situation, the large excavation method was used to shift the break-off pipe crossing segment to the altered design altitude, than the buried trench laying method was applied to accomplish remained pipeline crossing.
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- 文章針對這一穿越工程事故,詳細介紹了補救施工方法及其關(guān)鍵技術(shù)。 根據工程的實(shí)際情況,采取大開(kāi)挖方式將斷點(diǎn)處管段返到變更后的設計高程,再采用溝埋敷設法完成剩余管道的穿越。