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논문 기본 정보

자료유형
학술대회자료
저자정보
저널정보
한국철도학회 한국철도학회 학술발표대회논문집 한국철도학회 2004년도 추계학술대회논문집
발행연도
2004.10
수록면
204 - 209 (6page)

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초록· 키워드

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The purpose, in this study, is to analyze liquefaction potential of Inchon International Airport at the Area Phase "I" for Railway Construction of all, seismic response was analyzed using the computer program, Shake91. Four methods proposed by Seed & Idriss, Eurocode, Iwasaki & Tatsuoka, and Ishihara were used for assessment of liquefaction potential and safety factors calculated form these methods are compared. Based on the results of seismic response analysis, the maximum acceleration at the ground surface is larger than that evaluated site factor effect by using site factor because these areas are composed of very loose sand clay. Especially, in the case of analysis with long period earthquake data, it is appeared that the acceleration of earthquake is amplified more largely. Therefore, accurate seismic response analysis is suggested for the design on the important structures on reclaimed land. The analytical results of liquefaction potential show that the increments of N-value and effective overburden pressure with remediation make safety factors increase. Through comparing the safety factors evaluated from four method, the safety factor calculated by See & Idriss method in the lowest one and it is found that the SPT N-value effect the safety factor very largely. And, Iwasaki & Tatsuoka method is affected by various factors such as average grain size, fine contents, confining pressure. In conclusion, to minimize earthquake Risk by liquefaction, the efficient remediation is essential and seismic response analysis should be carride out.

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ABSTRACT
1. 서론
2. 지진 응답 해석
3. 액상화 평가 결과
4. 결론

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UCI(KEPA) : I410-ECN-0101-2009-326-017511411