Journal of Korea Water Resources Association (한국수자원학회논문집)

Korea Water Resources Association (한국수자원학회)
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A Study on the Effectiveness Verification of Hydrological Cycle of Pervious Pavement using LID Simulator

LID 효율성 검증기기를 이용한 투수성 블록의 수문순환 효율성 검증에 관한 연구

  • Kim, Mi Eun (Department of Civil Engineering, Pusan National University) ;
  • Jang, Young Su (Department of Civil Engineering, Pusan National University) ;
  • Nam, Chil Ho (Department of Civil Engineering, Pusan National University) ;
  • Shin, Hyun Suk (Department of Civil Engineering, Pusan National University)
  • 김미은 (부산대학교 공과대학 사회환경시스템공학과) ;
  • 장영수 (부산대학교 공과대학 사회환경시스템공학과) ;
  • 남칠호 (부산대학교 공과대학 사회환경시스템공학과) ;
  • 신현석 (부산대학교 공과대학 사회환경시스템공학과)
  • Received : 2015.02.13
  • Accepted : 2015.03.18
  • Published : 2015.05.31
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Abstract

In recent, the impacts of urbanization on hydrology and water quality can be minimized with the use of Low Impact Development (LID) practices in urban areas. But, there are no ways to verify or to show the quantitative effectiveness with LID practices. This study designed and developed to perform experiments in natural or artificial representation of hydrological cycle, which is called rainfall-runoff simulator to be able to quantify factors in hydrological system. This simulator was applied to a pervious pavement block. The study conducted analysis of effectiveness for a pervious pavement block by comparing the results with a general pavement block. The result from the pervious pavement block showed remarkably reduction effect on surface runoff with increase of rainfall intensity and more duration time. Also, the simulator was possible to control no surface runoff by a rainfall intensity at 50 mm/hr for an hour. The research indicated possibility and effectiveness for LID practices. This might be widely available to apply to LID practices verification. Therefore, the study is possible to make use of practical standards on fundamental studies.

최근 수질 및 수문에 있어 도시화에 미치는 영향을 도시 지역 내 저영향개발 기법을 이용한 저감효율에 관하여 연구가 진행되고 있다. 하지만 저영향개발 기법의 정량적 효율성을 증명할 수 있는 방법이나 기준 설정과 관련한 논문은 전무한 실정이다. 이에 본 연구에서는 수문순환 체계를 재현 및 정량화할 수 있는 강우-유출 시뮬레이터를 개발하였고 실제 투수성 블록에 적용하였다. 이는 일반 블록과의 지표유출 및 중간유출 등 수문순환의 요소에 대하여 정량적으로 산정 및 비교함으로써 기기를 통한 투수성 블록의 효율성 분석을 실시하였다. 본 연구의 결과로 투수성 블록의 경우 강우강도가 크고 지속시간이 길어질수록 지표유출량의 저감효과를 뚜렷이 확인할 수 있었으며, 50 mm/hr의 강우강도로 1시간동안 분사하여도 지표 유출이 전혀 발생하지 않도록 제어할 수 있었다. 그리고 본 연구에서 사용한 기기의 강우검증 과정을 통해 결과의 신뢰성을 높이고 투수성 블록뿐만 아니라 여러 LID 요소 효율성 검증에도 활용할 수 있을 것으로 생각된다. 따라서 본 기기를 활용하여 저영향개발 요소기술별 유출의 저감효과분석을 위한 효율성 검증의 표준화를 정립하는 기초 연구로 활용할 수 있다.

Keywords

References

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