Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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Analysis of Hydrological Factor for Permeable Pavement by using Soil Tank Experiment

토조실험에 의한 투수성 포장재의 수문학적 요소 분석

  • Jun, Sang-Mi (Department of Civil Engineering, Inje University) ;
  • Lee, Jung-Min (Land & Urban Research Institute, Korea Land Corporation) ;
  • Park, Jae-Hyeoun (Department of Civil Engineering, Inje University) ;
  • Lee, Sang-Ho (Department of Civil Engineering, Pukyong National University)
  • Received : 2008.07.21
  • Accepted : 2009.01.06
  • Published : 2009.03.30
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Abstract

In this study, the hydrological properties of permeable pavement were analyzed by the experiment and the numerical simulation. The numerical model used was a modified SWMM especially for considering the hydrological response of permeable pavement. The parameters of modified SWMM were revised by the experimental results, and then the practicability was evaluated through the comparison of the experimental and numerical simulation results. In the experiments, three different rainfall intensities such as 65 mm/hr, 90 mm/hr, 95 mm/hr were supplied for 4 hrs, and the hydraulic properties including surface outflow, subsurface outflow, ground water level, soil water contents were measured for 10 hrs. The results showed rainfall intensity effected directly on surface outflow volume and subsurface outflow volume was more effected by ground water level than rainfall intensity. The ground water level and the soil water contents were under estimated as compared with the experimental data except the portion of occurring direct runoff. The surface and subsurface outflow discharge were simulated very well in comparison with the experimental data. Consequently, the modified SWMM could be used very effectively to evaluate the hydrological property of permeable pavement.

Keywords

Acknowledgement

Supported by : 수자원

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