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中文摘要：
通过分析金坛盐穴储气库的建槽工程案例,探讨建槽施工中遇到的若干问题,总结经验教训并提出工艺改进方案,进而讨论建槽期工艺设计应考虑的关键问题,阐明确定盐腔顶板极限跨度的必要性,并提出建槽期盐腔顶板极限跨度的确定方法,应用该方法开展基于数值试验的极限跨度分析,获得不同侧溶底角及盐腔高度条件下的盐腔顶板极限跨度,并对其规律进行分析。
英文摘要：
According to the analysis of an engineering case of building sump of Jintan salt cavern,some problems existing in the engineering case are discussed.The experience and lesson are summarized,and some ideas and suggestions are proposed.Then,some key factors that should be considered in the design progress of solution mining are discussed.The necessity of determining limit diameter of cavern roof is expounded.And a method of calculating limit exposed diameter of cavern roof is presented.With this method,the limit roof diameters of some salt caverns are studied basing on simulation test.The limit roof diameters of salt caverns with different lateral solution angles and cavern heights are obtained,and their laws are studied.
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