Numerical simulation of the underground storage cavern using FDEM

Huanyu Wu, Qi Zhao, Jiayi Shen, Hanze Li

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review


Underground storage cavern has been increasingly exploited as it has many advantages such as reducing investment, economizing land use and improving safety compared with storage above the ground surface. We employ the hydromechanical coupled FDEM to simulate the excavation and operation phases of the underground storage cavern with a water curtain system (WCS), taking into consideration the natural discrete fracture network (DFN). The simulation results captured the propagation and slipping of the pre-existing DFN during the excavation and operation process. We quantitatively evaluate the containment performance based on the water inflow and pore pressure distribution. This study provides new insights into evaluating the stability of cavern-surrounding rock masses and containment performance of underground storage caverns.

Original languageEnglish
Title of host publication57th US Rock Mechanics/Geomechanics Symposium
PublisherAmerican Rock Mechanics Association (ARMA)
ISBN (Electronic)9780979497582
Publication statusPublished - 2023
Event57th US Rock Mechanics/Geomechanics Symposium - Atlanta, United States
Duration: 25 Jun 202328 Jun 2023

Publication series

Name57th US Rock Mechanics/Geomechanics Symposium


Conference57th US Rock Mechanics/Geomechanics Symposium
Country/TerritoryUnited States

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Geophysics


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