사질토에서 미생물 생장에 의한 저주파영역 복소 전기전도도 변화 측정

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Monitoring of microbial reactions in subsurface has drawn significant interest in various bio-geotechnical engineering. In this research, the complex electrical conductivity responses was measured using induced polarization (IP) method during microbial growth in sand column. As a result, there were reduction of real conductivity and significant increment in imaginary conductivity. Also, the complex conductivity responses showed the relaxation behavior, proposed by the Cole-Cole model. The relaxation time of the response decreased in power function and the chargeability linearly increased and these coefficients were well matched with the bulk imaginary conductivity. According to the research, it appeared that the complex conductivity can effectively capture bacterial growth at the pore scale.
Publisher
한국지반공학회
Issue Date
2019-03-15
Language
Korean
Citation

2019 한국지반공학회 춘계 학술대회

URI
http://hdl.handle.net/10203/270504
Appears in Collection
CE-Conference Papers(학술회의논문)
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