Taking advantage of the water sensitivity of the transient electromagnetic method(TEM),this study assesses the effectiveness of the water curtain system for underground LPG storage caverns during the excavation period...Taking advantage of the water sensitivity of the transient electromagnetic method(TEM),this study assesses the effectiveness of the water curtain system for underground LPG storage caverns during the excavation period.It also detects fracture water flow during the excavation process in light of the practice of two pilot large underground LPG storage caverns in China.Comparative maps of apparent resistivity derived from TEM measurements before and after water-filling during the excavation process have been discussed to improve the quality of the water curtain system.This is the first case to apply TEM to detect the quality of the water curtain system during the construction of underground LPG storage cavern projects,and it is found to be practical,more visualized and worth popularizing.展开更多
基金We thank CREGC(20130503)Innovative Research Team in SWJTU–China(IRT0955)+1 种基金the Fundamental Research Funds for the Central Universities(SWJTU11ZT33)China Scholarship Council(201407000040)for their sponsorships of this project,and we also thank the consultants and engineers contacted,especially Jinzhou and Huizhou project departments of China Railway Erju Second Engineering Co.Ltd.for providing their data during this study.
文摘Taking advantage of the water sensitivity of the transient electromagnetic method(TEM),this study assesses the effectiveness of the water curtain system for underground LPG storage caverns during the excavation period.It also detects fracture water flow during the excavation process in light of the practice of two pilot large underground LPG storage caverns in China.Comparative maps of apparent resistivity derived from TEM measurements before and after water-filling during the excavation process have been discussed to improve the quality of the water curtain system.This is the first case to apply TEM to detect the quality of the water curtain system during the construction of underground LPG storage cavern projects,and it is found to be practical,more visualized and worth popularizing.
