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      접속부 궤도 성토재료의 함수특성곡선을 이용한 포화도 분포 산정 = Assessing Distribution of Degree of Saturation for Track Transition Zone Using Soil Water Characteristic Curve

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      https://www.riss.kr/link?id=A101662686

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      다국어 초록 (Multilingual Abstract)

      The number of occurrence of differential settlement and track irregularity at track transition zone recently comes to increase, which leads to frequent maintenance activities that have an impact on train operation. Such track transition zone damages are attributed to the change of mechanical properties of fill materials due to environmental factors such as rainfall and freeze, and thaw. Consequently, this study attempts to establish the soil water characteristic curve (SWCC) of fill materials, and conduct seepage analysis to assess the distribution of degree of saturation (DOS) for track transition zone in case of rainfall. The SWCC of fill materials was successfully obtained using filter paper test method. The results of seepage analysis revealed that rainfall intensity, the slope of backfill, backfill condition (fill or cut), and SWCC are significantly influential in controlling the distribution of DOS.
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      The number of occurrence of differential settlement and track irregularity at track transition zone recently comes to increase, which leads to frequent maintenance activities that have an impact on train operation. Such track transition zone damages a...

      The number of occurrence of differential settlement and track irregularity at track transition zone recently comes to increase, which leads to frequent maintenance activities that have an impact on train operation. Such track transition zone damages are attributed to the change of mechanical properties of fill materials due to environmental factors such as rainfall and freeze, and thaw. Consequently, this study attempts to establish the soil water characteristic curve (SWCC) of fill materials, and conduct seepage analysis to assess the distribution of degree of saturation (DOS) for track transition zone in case of rainfall. The SWCC of fill materials was successfully obtained using filter paper test method. The results of seepage analysis revealed that rainfall intensity, the slope of backfill, backfill condition (fill or cut), and SWCC are significantly influential in controlling the distribution of DOS.

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      참고문헌 (Reference)

      1 Lee, S., "Unsaturated shear strength characteristics of weathered granite soils" 22 (22): 81-88, 2002

      2 Childs, E. C., "The permeability of porous materials" 210 : 392-405, 1950

      3 Bulut, R., "Suction measurements by filter paper" ASCE 243-261, 2001

      4 Drumm, E., "Subgrade resilient modulus correction for saturation effects" 123 (123): 663-670, 1997

      5 ASTM, "Standard test method for measurement of soil suction using filter paper"

      6 Gardner, W. R, "Some steady state solutions of the unsaturated moisture flow equation with application of evaporation from a water table" 85 : 223-232, 1958

      7 Korea Rail Network Authority, "Railroad construction specification"

      8 Vanapalli, S. K., "Model of the prediction of shear strength with respect to soil suction" 33 (33): 379-392, 1996

      9 Brooks, R. H., "Hydraulic properties of porous media" Colorado State Univ. 1964

      10 McKee, C. R., "Flow-testing coalbed methane production wells in the presence of water and gas" 599-608, 1987

      1 Lee, S., "Unsaturated shear strength characteristics of weathered granite soils" 22 (22): 81-88, 2002

      2 Childs, E. C., "The permeability of porous materials" 210 : 392-405, 1950

      3 Bulut, R., "Suction measurements by filter paper" ASCE 243-261, 2001

      4 Drumm, E., "Subgrade resilient modulus correction for saturation effects" 123 (123): 663-670, 1997

      5 ASTM, "Standard test method for measurement of soil suction using filter paper"

      6 Gardner, W. R, "Some steady state solutions of the unsaturated moisture flow equation with application of evaporation from a water table" 85 : 223-232, 1958

      7 Korea Rail Network Authority, "Railroad construction specification"

      8 Vanapalli, S. K., "Model of the prediction of shear strength with respect to soil suction" 33 (33): 379-392, 1996

      9 Brooks, R. H., "Hydraulic properties of porous media" Colorado State Univ. 1964

      10 McKee, C. R., "Flow-testing coalbed methane production wells in the presence of water and gas" 599-608, 1987

      11 Ping, W. V., "Field and laboratory evaluation of resilient modulus measurements of florida pavements soils" FAMU-FSU College of Engineering 2000

      12 Kunze, R. J., "Factors important in the calculation of hydraulic conductivity" 32 : 760-765, 1968

      13 Bicalho, K. V., "Evaluation of filter paper calibrations for indirect determination of soil suctions of an unsaturated compacted silty sand" 2009

      14 Fredlund, D. G., "Equations for the soil-water characteristic curve" 31 (31): 521-532, 1994

      15 Chandra, D., "Effects of temperature and moisture on load response of granular base material in thin pavements" National Research Council 33-41, 1989

      16 오정호, "Consideration of Moisture Effect on Load Bearing Capacity in Texas Flexible Pavements" 대한토목학회 14 (14): 493-501, 2010

      17 Oh, J., "Comparison of resilient modulus values for florida flexible mechanistic-empirical pavement design" 13 (13): 472-484, 2012

      18 Zapata, C., E., "Calibration and validation of the enhanced integrated climatic model for pavement design" Transportation Research Board 2008

      19 Marshall, T. J, "A relation between permeability and size distribution of pores" 9 : 1-8, 1958

      20 Van Genuchten, M. T, "A closed form equation predicting the hydraulic conductivity of unsaturated soils" 44 : 892-898, 1980

      21 Ministry of Land, Transport, and Maritime Affairs, "2011 Pavement structural design specification"

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      학술지 이력

      학술지 이력
      연월일 이력구분 이력상세 등재구분
      2022 평가예정 계속평가 신청대상 (등재유지)
      2017-01-01 평가 우수등재학술지 선정 (계속평가)
      2013-01-01 평가 등재학술지 유지 (등재유지) KCI등재
      2010-01-01 평가 등재학술지 유지 (등재유지) KCI등재
      2008-01-01 평가 등재학술지 유지 (등재유지) KCI등재
      2006-01-01 평가 등재학술지 유지 (등재유지) KCI등재
      2004-01-01 평가 등재학술지 유지 (등재유지) KCI등재
      2001-07-01 평가 등재학술지 선정 (등재후보2차) KCI등재
      1998-07-01 평가 등재후보학술지 선정 (신규평가) KCI등재후보
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      학술지 인용정보

      학술지 인용정보
      기준연도 WOS-KCI 통합IF(2년) KCIF(2년) KCIF(3년)
      2016 0.4 0.4 0.41
      KCIF(4년) KCIF(5년) 중심성지수(3년) 즉시성지수
      0.38 0.35 0.707 0.11
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