盐穴储气库建槽工程实践与顶板极限跨度分析  

ENGINEERING PRACTICE AND ANALYSIS OF LIMIT ROOF DIAMETER IN BUILDING SUMP OF SALT CAVERN FOR GAS STORAGE

作　　者：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] 

机构地区：[1]重庆大学西南资源开发及环境灾害控制工程教育部重点实验室,重庆400044 [2]中国科学院武汉岩土力学研究所岩土力学与工程国家重点实验室,湖北武汉430071 [3]中国石油天然气股份有限公司西气东输管道公司储气库项目部,江苏金坛213200

出　　处：《岩石力学与工程学报》2012年第A02期3703-3709,共7页Chinese Journal of Rock Mechanics and Engineering

基　　金：国家重点基础研究发展计划(973)项目(2009CB724602;2010CB226701);国家自然科学基金资助项目(51274187)

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。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.

关 键 词：岩石力学 盐岩 储气库 水溶造腔 建槽 工程实践 顶板跨度 

分 类 号：TU45[建筑科学—岩土工程]