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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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Hydraulic conductivity is an important parameter, representing permeable property of the groundwater in aquifers, in the issues of groundwater development, groundwater contamination, and groundwater flow, etc. We estimated a relationship between hydraulic conductivity and electrical properties (formation factor, chargeability, and time constant) of silty sand in the laboratory. For this study, we conducted grain size analysis, constant head permeameter test, and measured electrical resistivity and spectral induced polarization of silty sand samples collected from the riverside alluvium of the Nakdong River in Nogok-ri area, Dasan-myeon, Goryeong-gun in Gyeongbook Province, Korea. In the laboratory test, we used soil samples of approximately uniform porosity with 0.5% error range, and kept the electrical resistivity of pore water with 100 ohm-m. As a result, the relationship between effective particle size and hydraulic conductivity agrees fairly well with the existing empirical formulas. Hydraulic conductivity was correlated with formation factor, chargeability, and time constant: hydraulic conductivity increased with increasing formation factor and time constant as well as with decreasing chargeability.
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참고문헌 (25)
참고문헌 신청
Allessandrello, E / 1983 / Determination de la permeabilite des alluvions a partir de la prospection electrique / Bull. Int. Assoc. Eng. Geol 26(27):357~360
Archie, G.E / 1942 / The electrical resistivity log as an aid in determining some reservoir characteristics / Trans. AIME 146:54~62
Binley, A / 2005 / Relationship between spectral induced polarization and hydraulic properties of saturated and unsaturated sandstone / Water Resour. Res 41(12):w12417
Borner, F. D / 1996 / Evaluation of transport and storage properties in the soil and groundwater zone from induced polarization measurements / Geophysical Prospecting 44:583~602
Cole, K.S / 1941 / Dispersion and absorption in dielectrics. I. Alternating current characteristics / J. Chem. Phys 9:341~352
Archie, G.E / 1942 / The electrical resistivity log as an aid in determining some reservoir characteristics / Trans. AIME 146:54~62
Binley, A / 2005 / Relationship between spectral induced polarization and hydraulic properties of saturated and unsaturated sandstone / Water Resour. Res 41(12):w12417
Borner, F. D / 1996 / Evaluation of transport and storage properties in the soil and groundwater zone from induced polarization measurements / Geophysical Prospecting 44:583~602
Cole, K.S / 1941 / Dispersion and absorption in dielectrics. I. Alternating current characteristics / J. Chem. Phys 9:341~352
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