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논문 기본 정보

자료유형
학술대회자료
저자정보
안광국 (충북대학교) 안상로 (국토해양부) 이처근 (나노지오) 류권상 (청주시청)
저널정보
한국지반환경공학회 한국지반환경공학회 학술발표회논문집 2010년 한국지반환경공학회 학술발표회 논문집
발행연도
2010.9
수록면
433 - 439 (7page)

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초록· 키워드

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Recently, modulus of elasticity for small strain is an important element, which is related to a transformation problem in various grounds such as downtown excavation and foundation settlement. According to the historic earthquake records from 1990 to 2007, earthquake is increased by 2.4 times than from 1970 to 1980. It is surely convinced that Korea is not an completely earthquake free, so a dynamic soil characteristics related to an earthquake - resistance design must be investigated actively. A lot of study including dynamic deformation characteristics of granite weathered soils, cohesionless soils, rock core, and sandy soils have been researched widely. As a lot of experiment related to the maximum shear elastic modulus, which is involved in dynamic deformation characteristic, have been conducted, many factors including voiding ratio, overconsolidation ratio(OCR), confining pressure, geology time, PI, and number of load cycle affect to dynamic soil characteristic.
However, the research of ground dynamic characteristic improved with grout is absent. In order to investigate the dynamic soil characteristics improved with grout, in this study, resonant column tests were performed with changing water content(50%, 70%, 90%) and injection ratio of grout (30%,50%,70%).
As a results, it was conformed that dynamic modulus is affected by water contents and injection ratio of grout.

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SYNOPSIS
1. 서론
2. 미소변형 영역에서의 지반 거동
3. 공시체의 제원
4. 공시체에 대한 동적 물성치
5. 결론
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UCI(KEPA) : I410-ECN-0101-2012-532-003874200