黄岛地下水封洞库库区三维裂隙网络模拟

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Abstract Low permeability fractured rock is the best choice for the construction of water sealed underground oil tank. Three-dimensional fracture network simulation is an effective technical means of clarifying the essence of fracture distribution characteristics and seepage of fracture water rules for the underground project. The latest software discrete fracture network(DFN) is used to analyze the permeability of Huangdao water sealed underground oil tank based on the statistical work of field surface cracks and drilling image fracture results. Transmissibility distribution and connected compartmentalization of ZK13 are simulated in the model and the results are conceived to be reasonable and reliable through the comparison with the field test results. The example shows that the simulation results can deeply reveal the nature of fissure water seepage and could provide reference for the subsequent evaluation of water sealed effect and water inflow quantity.

Key words： numerical simulation fracture network simulation underground cavern fracture seepage

Received: 10 September 2010

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http://www.rockmech.org/EN/Y2011/V30/IS2/3421

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