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This study was performed for the purpose of analyzing the effect of tide on the stress-strain behavior in the boundary surface ofsea dike embankment. Tide is a dynamic condition, but there are not suitable numerical models to solve the dynamic embankmentcondition caused by tide. So the analysis was simplified to quasi dynamic as follow. First, seepage by tide was analyzed accordingto elapsed time, and the results of the analysis at every hour during one periodic cycle time of 12 hours were applied to the porewater pressure conditions of stress-strain analysis with hyperbolic model by Duncan and Chang. The place at which maximum shearstrain took place in the analysis result moved up and down repeatedly along the boundary of the dredged sand fill section and thecrashed stone filter section. The value of maximum shear strain was large at high water level of tide. This result means thatcontraction and relaxation occur in turn repeatedly at every specific position along the boundary, and the repeated action compactloose position with sand moved down from the upper position by gravity. The experiment with the small sea dike model showedthe result consistent with the numerical analysis. The surface of sea side on the dike collapsed at high water level after a couple ofrepetition of the rising and falling of water.
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참고문헌 (15)
참고문헌 신청
/ / Encyclopedia of Korean Culture
/ / http://kosis.kr/gen_etl/start.jsp?orgId=311&tblId=TX_31 101_A020&conn_path=I2&path
Arya, L. M. / 1981 / A physico-empirical model to predict the soil moisture characteristic from particle-size distribution and bulk density data / Soil Science Society of Ame
Duncan, J. M / 1970 / Nonlinear analysis of stress and strain in soils / Journal of the Soil Mechanics and Foundations Division ASCE 96 (SM5) : 1629 ~ 1654
Eam, S. H. / 2012 / The Study on the relationship between the hydraulic head loss rate and the physical properties of dredged sand / Rural Research Institute of Korea Rural Community Cor
/ / http://kosis.kr/gen_etl/start.jsp?orgId=311&tblId=TX_31 101_A020&conn_path=I2&path
Arya, L. M. / 1981 / A physico-empirical model to predict the soil moisture characteristic from particle-size distribution and bulk density data / Soil Science Society of Ame
Duncan, J. M / 1970 / Nonlinear analysis of stress and strain in soils / Journal of the Soil Mechanics and Foundations Division ASCE 96 (SM5) : 1629 ~ 1654
Eam, S. H. / 2012 / The Study on the relationship between the hydraulic head loss rate and the physical properties of dredged sand / Rural Research Institute of Korea Rural Community Cor
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