深部高内压环境下硬石膏质储气库围岩稳定性分析

牛键 张彬 王汉勋 赵宏宇 王海

牛键, 张彬, 王汉勋, 赵宏宇, 王海. 2018: 深部高内压环境下硬石膏质储气库围岩稳定性分析. 工程地质学报, 26(s1): 525-531. doi: 10.13544/j.cnki.jeg.2018059
引用本文: 牛键, 张彬, 王汉勋, 赵宏宇, 王海. 2018: 深部高内压环境下硬石膏质储气库围岩稳定性分析. 工程地质学报, 26(s1): 525-531. doi: 10.13544/j.cnki.jeg.2018059
NIU Jian, ZHANG Bin, WANG Hanxun, ZHAO Hongyu, WANG Hai. 2018: STABILITY ANALYSIS OF SURROUNDING ROCK OF DEEP ANHYDRITE GAS STORAGE UNDER HIGH INTERNAL PRESSURE. JOURNAL OF ENGINEERING GEOLOGY, 26(s1): 525-531. doi: 10.13544/j.cnki.jeg.2018059
Citation: NIU Jian, ZHANG Bin, WANG Hanxun, ZHAO Hongyu, WANG Hai. 2018: STABILITY ANALYSIS OF SURROUNDING ROCK OF DEEP ANHYDRITE GAS STORAGE UNDER HIGH INTERNAL PRESSURE. JOURNAL OF ENGINEERING GEOLOGY, 26(s1): 525-531. doi: 10.13544/j.cnki.jeg.2018059

深部高内压环境下硬石膏质储气库围岩稳定性分析

doi: 10.13544/j.cnki.jeg.2018059
基金项目: 

国家自然科学基金项目(41572301,40902086,61427802),中央高校基本科研业务经费项目(2-9-2015-071,2-9-2017-089)资助

详细信息
    作者简介:

    牛键(1994-),男,硕士生,主要从事地下能源储存工程地质问题研究.Email:niujian1994@sina.cn

    通讯作者:

    张彬(1975-),男,博士,副教授,主要从事地下能源储存工程地质、地质灾害防治的教学和研究工作.Email:sc_zhb@163.com

  • 中图分类号: O319.56

STABILITY ANALYSIS OF SURROUNDING ROCK OF DEEP ANHYDRITE GAS STORAGE UNDER HIGH INTERNAL PRESSURE

  • 摘要: 天然气作为重要的化工原料和清洁能源,在全世界范围内有着越来越广泛的应用前景,因此开展安全高效的天然气储存技术,实现对天然气的合理有效利用具有重要意义。本文以安徽恒泰石膏矿为工程实例,通过室内试验获取石膏物理力学参数,运用有限元计算软件ABAQUS建立数值仿真模型,模拟洞室形成及天然气存储过程,进行石膏围岩整体稳定性的评价工作。主要关注储气库在天然气加载过程中,不同内压作用下的洞室围岩塑性区、洞周围岩应力发展及地表位移变化情况,分析石膏洞室群的整体稳定性,为选择合理的防护工程以确保储气库施工及运营期的安全提供合理建议。结果表明:该石膏洞室开挖完成后,围岩体无塑性区贯通,表明硬石膏洞室群稳定性较好;随着洞室内压的增大,储气库围岩变形与洞周应力先减小后增大,说明一定的高内压环境有利于洞室围岩稳定,该硬石膏矿开采结束后形成的洞室可作为天然气储气库。
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出版历程
  • 收稿日期:  2018-05-04
  • 修回日期:  2018-07-24
  • 刊出日期:  2018-10-31

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