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NTIS 바로가기韓國地盤工學會論文集 = Journal of the Korean geotechnical society, v.34 no.8, 2018년, pp.37 - 49
안재광 (기상청 지진화산연구과) , 백우현 (서경대학교 토목건축공학과) , 최재순 (서경대학교 토목공학과) , 곽동엽 (한양대학교 건설환경공학과)
Since the observation of ground motions in South Korea, liquefaction manifestation was the first to be observed in Pohang earthquake in 2017 with
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핵심어 | 질문 | 논문에서 추출한 답변 |
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국내 최초의 액상화 현상은 어디서 관측됬는가? | 2017년 11월 15일 포항지진(ML = 5.4)으로 인해 포항지역에서 국내 기상 관측 이래 최초의 액상화 현상이 관측되었다(Fig. 1). | |
포항지역 액상화 위험지도 제작 기법은? | Baek et al.(2018)은 포항지역 액상화 위험지도를 Iwasaki et al.(1978)가 제안한 LPI(Liquefaction Potential Index)기법을 사용하여 제안하였다. LPI는 진동전단응력비(Cyclic Stress Ratio, CSR)와진동저항응력비(Cyclic Resistance Ratio, CRR)의 비로 결정되는 각 심도별 안전율의 합을 기반으로 평가되며,계산된 LPI 범위에 따라 대상 지반의 액상화 피해정도가 예측된다. | |
포항지역 액상화 위험지도의 평가 기준은? | (1978)가 제안한 LPI(Liquefaction Potential Index)기법을 사용하여 제안하였다. LPI는 진동전단응력비(Cyclic Stress Ratio, CSR)와진동저항응력비(Cyclic Resistance Ratio, CRR)의 비로 결정되는 각 심도별 안전율의 합을 기반으로 평가되며,계산된 LPI 범위에 따라 대상 지반의 액상화 피해정도가 예측된다. Baek et al. |
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