지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2014.11
- 수록면
- 121 - 124 (4page)
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초록· 키워드
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The effective ways to take advantage of large quantities of dredged soil inside the site which is occurred in the Saemangeum area have been seeking. As one of the ways, the backfill material is applied by manufacturing lightweight foamed soil (LWFS) with the dredged soil. In this study, a series of preliminary laboratory tests to determine the field mixing ratio are carried out according to unit weight and compressive strength of LWFS designed for this purpose. The tests are performed under five air curing and two underwater curing conditions. As a result of seven mixing cases, an appropriate mixing ratio is found in case of upper backfill of abutment. In case of lower backfill of abutment and drainage pipe, air curing condition needs to be within the four mixing ranges, and underwater curing condition needs to adjust between two mixing ranges. Increasing foam content as much as twice at the same mixing ratio causes very fast strength increase. It seems because of faster dissipation of the heat of hydration by inherent foam inside the specimen. This phenomenon seems to be able to expect the early-strength effect in low-strength applications such as gas pipe line filler.
목차
SYNOPSIS
1. 서론
2. 시료특성 및 배합조건
3. 시험결과 및 분석
4. 결론
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UCI(KEPA) : I410-ECN-0101-2015-530-002830622