(1. Key Laboratory for Exploitation of Southwestern Resources and Environmental Disaster Control Engineering,Chongqing University,Chongqing 400044,China;2. State Key Laboratory of Geomechanics and Geotechnical Engineering,Institute of Rock and Soil Mechanics,Chinese Academy Sciences,Wuhan,Hubei 430071,China;3. West-to-East Gas Pipeline Company Gas Storage Project Department,PetroChina Company Limited,Jintan,Jiangsu 213200,China)
Abstract: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.
屈丹安1,2,3,施锡林2,李银平2,杨春和1,2,马洪岭2,张桂民2. 盐穴储气库建槽工程实践与顶板极限跨度分析[J]. 岩石力学与工程学报, 2012, 31(s2): 3703-3709.
QU Dan?an1,2,3,SHI Xilin2,LI Yinping2,YANG Chunhe1,2,MA Hongling2,ZHANG Guimin2. ENGINEERING PRACTICE AND ANALYSIS OF LIMIT ROOF DIAMETER IN BUILDING SUMP OF SALT CAVERN FOR GAS STORAGE. , 2012, 31(s2): 3703-3709.
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