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.
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초록· 키워드
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Infiltration plays an important role in the urban water cycle. Infiltration has a potential to contribute to groundwater recharge in addition to runoff reduction. However, infiltration in urban areas has been considered only as a means of runoff reduction. Conventional design methods for infiltration facilities assume soils to be fully-saturated for the sake of simplicity. The amount of groundwater recharge can not be estimated properly with this scheme. Hence, the characteristics of the unsaturated soil condition need to be considered. The finite element model using SEEP/W to estimate infiltration under the unsaturated condition is presented. Infiltration tests for Joomonjin sand are performed and the infiltration behavior of Joomoonjin sand under the unsaturated condition is measured experimentally to verify the validity of the finite element model. The results from comparing infiltrated volume between the saturated and the unsaturated conditions under the same soil and rainfall conditions show that the infiltrated volume in the unsaturated condition is two times bigger than that in the saturated condition.
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참고문헌 (10)
참고문헌 신청
Fredlund, D.G. / 1994 / Prediction of the permeability function for unsaturated soils using the soil water characteristics curve / Can. Geotechnical J 31:533~546
Fredlund, D.G. / 1993 / Soil Mechanics for Unsaturated Soils / John Wiley & Sons :517
Gardner, W.R. / 1958 / Some steady-state solutions of t he unsaturated moisture flow equation with application to evaporation from a water table / Soil Sci 85:228~232
Green, R.E. / 1971 / Calculation of hydraulic conductivity:A further evaluation of some predictive methods / Soil Science Society of America Proc 5:3~8
James, F.C. / 2007 / Elementary hydraulics / Thomson Nelson :560
Fredlund, D.G. / 1993 / Soil Mechanics for Unsaturated Soils / John Wiley & Sons :517
Gardner, W.R. / 1958 / Some steady-state solutions of t he unsaturated moisture flow equation with application to evaporation from a water table / Soil Sci 85:228~232
Green, R.E. / 1971 / Calculation of hydraulic conductivity:A further evaluation of some predictive methods / Soil Science Society of America Proc 5:3~8
James, F.C. / 2007 / Elementary hydraulics / Thomson Nelson :560
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