S-Space College of Engineering/Engineering Practice School (공과대학/대학원) Dept. of Civil & Environmental Engineering (건설환경공학부) Journal Papers (저널논문_건설환경공학부)
CPT를 이용한 준설매립지반의 개량효과 평가에 관한 연구
A Study on the Ground Improvement Effective Evaluation of Reclaimed Land Using Cone Penetration Test
- 김종국; 채영수; 김명모
- Issue Date
- 한국지반공학회 = Korean Geotechnical Society
- 한국지반공학회 봄학술발표회, pp.910-921, 서울, 2004년 3월 25-26일
- reclaimed land; pilot test; dynamic compaction; hydraulic hammer; compaction method; cone penetration test; ground improvement
- In this study, the pilot tests on the reclaimed land were performed in order to fing the suitable construction method with dynamic compaction TypeⅠ, TypeⅡat different dynamic energy and hydraulic hammer compaction. The estimation of the compaction through the various pilot tests was performed by the CPT-qc, SPT-N and field density tests.
As the result of the pilot tests, is shows that the dynamic compaction method is better than the hydraulic hammer compaction method in the effect of the ground improvement, espectially dynamic compaction TypeⅠis much superior to others. When it comes to method for measuring the intensity of the ground, the value of the cone penetration test-resistance(qc)is much suitable for the ground. Besides, the standards for the compaction control, which showed that over 10Mpa at 0 through 5meters in the upper layer and 7Mpa at 5 through 8meters in the lower layer in the CPT-qc, could be found without discrimination of the upper road and lower road on the reclaimed land. And it also found that the intensity of the reclaimed land gets back to the original status in about throung 15days.