Application of fracture network model with crack permeability tensor on flow and transport in fractured rock

Jian Bang Pan, Chen Chang Lee, Cheng Haw Lee, Hsin Fu Yeh, Hung I. Lin

研究成果: Article同行評審

40 引文 斯高帕斯(Scopus)

摘要

Very efficient and practical models that use a crack tensor in terms of fracture geometry parameters for field rock mass are proposed. A framework of the crack tensor approach combined with the identifying fracture-controlled characteristics was successively used in a hypothetical hydro-geological field for determining the dynamics of flow and transport of nuclides in fractured rock. The modeling results and site-specific data of Lan-Yu Island in Taiwan reveal the characteristics associated with the geometry of fracture networks under the prescribed boundaries. The simulated fracture networks were transformed into a grid-based simulation procedure under consideration of the delaying effect in matrix owing to particle migration. Synthetic flow results indicate that the flowing vector is very sensitive to fracture intensity (P32); high fracture intensity leads to high velocity. Heterogeneity generated by fractures' field will result in the shortest and the longest transmission distance of 12-fold difference. While taking into consideration of the ingrowth-decay transport, the plumes of the daughter product were relatively tortuous and anomalous to predict.

原文English
頁(從 - 到)166-177
頁數12
期刊Engineering Geology
116
發行號1-2
DOIs
出版狀態Published - 2010 十月 27

All Science Journal Classification (ASJC) codes

  • Geotechnical Engineering and Engineering Geology
  • Geology

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