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The dynamic characteristics of west coast sand were investigated in order to evaluate the design properties of the offshore wind turbine foundations to be constructed in the West Sea. Torsional shear tests were performed at different confining pressures and densities on specimens constituted by the dry fluviation method. The strain-dependent shear modulus and damping curves were obtained, together with modulus degradation curves. The results show that the confining pressure is more influential on the dynamic characteristics of the sand than the density. It was also found that dynamic curves from this study were similar to those proposed by other. The modulus degradation ration G/G<SUB>1st</SUB> varies slightly at a small strain level, but increases significantly once beyond the intermediate strain level.
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ABSTRACT
1. 서론
2. 실험계획 및 방법
3. 실험결과 및 분석
4. 결론
References
참고문헌 (21)
참고문헌 신청
1. [학술대회논문] - Anderson, D. G. / 1974 / Dynamic Modulus of Cohesive Soils. Thesis Presented to the University of Michigan / in Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy
2. [단행본] - Bishop, A. W. / 1962 / The Measurement of Soil Properties in the Triaxial Test (Second edition) / Edward Arnold
3. [학위논문] - Choo, Y. W. / 1997 / Study on Normalized Shear Modulus Reduction Curves on Cohesionless Soils Using Resonant Column/Torsional Shear Tests / 석사 / Korea Advanced Institute of Science and Technology
4. [학술지(정기간행물)] - 추연욱 / 2005 / 배수 조건에 따른 사질토 지반의 동적 변형특성 / 한국지반공학회논문집 21 (3) : 26 ~ 42
5. [학술지(정기간행물)] - Drnevich, V. P. / 1970 / Dynamic Prestraining of Dry Sand / Journal of Soil Mechanics and Foundations Division, ASCE 96 (SM2) : 453 ~ 469
2. [단행본] - Bishop, A. W. / 1962 / The Measurement of Soil Properties in the Triaxial Test (Second edition) / Edward Arnold
3. [학위논문] - Choo, Y. W. / 1997 / Study on Normalized Shear Modulus Reduction Curves on Cohesionless Soils Using Resonant Column/Torsional Shear Tests / 석사 / Korea Advanced Institute of Science and Technology
4. [학술지(정기간행물)] - 추연욱 / 2005 / 배수 조건에 따른 사질토 지반의 동적 변형특성 / 한국지반공학회논문집 21 (3) : 26 ~ 42
5. [학술지(정기간행물)] - Drnevich, V. P. / 1970 / Dynamic Prestraining of Dry Sand / Journal of Soil Mechanics and Foundations Division, ASCE 96 (SM2) : 453 ~ 469
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UCI(KEPA) : I410-ECN-0101-2015-550-001075985