Estimating Hydraulic Conductivity in Fractured Rocks Using Factorial Design and Borehole Imaging.
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| Title: | Estimating Hydraulic Conductivity in Fractured Rocks Using Factorial Design and Borehole Imaging. |
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| Authors: | Safari, Mohsen1 (AUTHOR) msafari@birjandut.ac.ir, Doulati Ardejani, Faramarz2 (AUTHOR) fdoulati@ut.ac.ir, Maghsoudy, Soroush3 (AUTHOR) s.maghsoudy@ut.ac.ir, Butscher, Christoph4 (AUTHOR), Taherdangkoo, Reza4 (AUTHOR) reza.taherdangkoo@gmail.com |
| Source: | Geotechnical & Geological Engineering. Feb2025, Vol. 43 Issue 2, p1-14. 14p. |
| Abstract: | Hydraulic conductivity is a critical parameter in modeling groundwater flow through fractured-porous media adjacent to open pit mines, where its variability–driven by multiple factors–introduces uncertainties into predictions and analyses. Addressing this challenge, we employ the factorial design method and borehole image data to identify the relationship between hydraulic conductivity and its influencing parameters. We analyzed geotechnical borehole core images from the western deposits of the Sangan mine, which enabled the empirical determination of hydraulic conductivity for each drilling segment within the boreholes. We then employed the factorial test design method for various statistical analyses, including normal plots, Pareto diagrams, and variance analyses, which collectively showed the significance of the rock quality designation (RQD) in the hydraulic conductivity estimation. Subsequently, a regression model was developed to obtain an exponential relationship between hydraulic conductivity and RQD. The model offers a practical tool for estimating hydraulic conductivity in the Sangan mine and similar geological settings. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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