한국지구물리탐사학회:학술대회논문집
- 한국지구물리탐사학회 2007년도 공동학술대회 논문집
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- Pages.101-106
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- 2007
그라우팅 전후의 시간차 고정밀 중력탐사
A Time-Lapse Microgravity for Grout Monitoring
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박영수
(한국지질자원연구원 지질기반정보연구부) ;
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임형래
(한국지질자원연구원 지질기반정보연구부) ;
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임무택
(한국지질자원연구원 지질기반정보연구부) ;
- 구성본 (한국지질자원연구원 지질기반정보연구부)
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Park, Yeong-Sue
(Geology & Geoinformation Div., KIGAM) ;
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Rim, Hyoung-Rae
(Geology & Geoinformation Div., KIGAM) ;
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Lim, Mu-Taek
(Geology & Geoinformation Div., KIGAM) ;
- Koo, Sung-Bon (Geology & Geoinformation Div., KIGAM)
- 발행 : 2007.06.07
초록
A time-lapse microgravity survey on a newly widen road at Muan, where limestone cavities are developed, for monitoring the change of the subsurface density distribution before and after grouting. Microgravity monitoring is identified as a quick, easy and cost effective. But, it requires strict data acquisition and quality control due to the differences of conditions at measurements. The survey was carried out two times, that is, October 2005 and September 2006. The data were adjusted for reducing the effects due to the different condition of each survey. The processed data acquired in 2005 and 2006 were inverted into the subsurface density distributions. They show the change and development of density structure during the lapsed time, which implies the effects of grouting.