石油石化绿色低碳2025，Vol.10Issue(6)：68-75,8.DOI:10.20131/j.cnki.syshlsdt.20251120.001
砂岩区地下水封洞库结构洞室稳定性分析
Stability Analysis of Underground Water-Sealed Cavern Structure in Sandstone Area
HE Zidong1
作者信息
- 1. Sinochem Energy Logistics Co.,Ltd.,Beijing 100031,China
- 折叠
摘要
Abstract
The feasibility of underground water-sealed rock cavern storage is determined by two critical factors:water-sealing performance and surrounding rock stability.This study focuses on the stability of surrounding rock to analyze the feasibility of constructing storage caverns in sandstone areas,and summarizes the structural design techniques for underground engineering in such geological conditions.Through numerical simulations,the influences of different cross-sectional geometries and cavern spacing on the storage system are investigated,along with an analysis of surrounding rock stability based on failure mechanisms and block stability.The numerical results reveals that:the superposition effect between adjacent caverns significantly diminishes with increasing spacing;in areas with significant stress release and poor free-face conditions,structural deformation and the resulting block instability constitute the most prevalent and critical safety risks.These findings provide crucial theoretical parameters for optimizing site selection and implementing differentiated support designs in sandstone-area underground storage projects,effectively bridging the technical gap in water-sealed cavern construction within non-traditional rock mass formations.关键词
地下水封洞库/砂岩/成岩作用/洞库稳定性/数值模拟Key words
underground water-sealed storage cavern/sandstone/diagenesis/cavern stability/numerical simulation分类
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HE Zidong..砂岩区地下水封洞库结构洞室稳定性分析[J].石油石化绿色低碳,2025,10(6):68-75,8.
