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- W1978398614 abstract "건설 혹은 방재공학에서 사용자가 요구하는 물리적인 특성을 만족시키기 위하여 물리탐사 기법 중 탄성파 탐사 및 전기비저항 기법이 활용되고 있다. 본 연구에서는 탄성파 속도와 전기비저항이 모두 간극비의 함수임을 고려하여 두 물리적인 특성간의 관계를 이론적으로 고찰하고자 한다. 탄성파 속도와 간극비의 관계는 Gassmann이 제시한 이론을 활용하였으며, 전기비저항과 간극비는 포화지반에 활용성이 상당히 높은 Archie 방정식을 이용하였다. 도출된 식의 활용성을 검증하고자 현장실험을 실시하였으며, 탄성파 속도와 전기비저항을 동시에 획득할 수 있는 관입형 탐사 장비(Field Velocity Resistivity Probe, FVRP)를 이용하였다. 대상 현장은 남해안의 광양지역이며, 관입실험은 심도 6.5 m에서 20.1 m까지 수행되었다. 탄성파 속도와 전기비저항은 탐사 장비 특성상 상세한 지층의 주상도를 얻기 위하여 심도 10 cm 간격으로 측정하였다. 도출된 탄성파 속도와 전기비저항 값을 본 연구에서 제시한 수식에 입 력 후 실제 측정한 탄성파 속도과 비교해 보았다. 비교결과 균질한 심도에서 높은 신뢰성을 보여주며 추가적으로 입력상수에 대한 연구가 수행된다면 수식의 활용성이 증대할 것으로 판단된다. The geophysical methods including elastic wave velocity and electrical resistivity have been widely used to obtain the geotechnical properties. The objective of this study suggests the relationship between elastic wave velocity and electrical resistivity because the two parameters are function of void ratio. The theory of Gassmann and Archie's equation are applied for deducing the relation between geophysical methods and void ratio. The Field Velocity Resistivity Probe (FVRP) is used to obtain the elastic wave velocity and electrical resistivity in field which is southern part of Korea Peninsular. The data gathering is performed in the depth of 6.5~20.1 m at every 10 cm for obtaining various data and investigating the subsurface characterization in detail. For verifying the suggested equation, the measured data applied. The deduced compressional wave velocity shows a similar value with the measured compressional wave velocity. This study suggests that the proposed equation may be widely applied to estimate the reliability of measured values based on the geophysical method." @default.
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- W1978398614 date "2014-08-31" @default.
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- W1978398614 title "Study of Relation between Elastic Wave Velocity and Electrical Resistivity in Saturated Medium" @default.
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- W1978398614 doi "https://doi.org/10.9798/kosham.2014.14.4.119" @default.
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