扩建地下水封洞库水封性评价与水幕系统优化

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doi:10.6040/j.issn.1672-3961.0.2024.190

摘要： 扩建地下水封油库可能对已建相邻洞库产生相互影响。针对国内首个大型地下水封洞库扩建工程,开展地下水封洞库水封效率评价与扩建-已建工程水封性相互影响分析,依据地下水位、水封效率对该扩建工程水幕系统进行优化。研究结果表明:扩建洞库工程的开挖破坏了地下初始稳定渗流场,会导致已建洞库水位小幅下降,涌水量上升,但已建洞库水封性仍满足要求,研究结果说明扩建工程施工对已建工程运行的水封性影响有限;相比于独立选址建库,在已建洞库旁进行扩建,扩建洞库地下水位和涌水量均发生下降,但降幅不多,满足水封要求。综上所述,在已建工程旁进行扩建是可行的;在满足地下水位的要求下,可适当降低水幕孔压力、增大水幕孔间距来进行扩建地下水封洞库的水幕系统优化。

关键词: 扩建地下水封洞库, 水封性, 水封效率, 水幕系统优化

中图分类号:

TE822

彭振华,王者超,李佳佳,乔丽苹,赵秦尼,李涵硕. 扩建地下水封洞库水封性评价与水幕系统优化[J]. 山东大学学报 (工学版), 2025, 55(2): 125-133.

PENG Zhenhua, WANG Zhechao, LI Jiajia, QIAO Liping, ZHAO Qinni, LI Hanshuo. Evaluation of containment properties and optimization design of water curtain system for an extended underground oil storage cavern[J]. Journal of Shandong University(Engineering Science), 2025, 55(2): 125-133.

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