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2025 Vol.41, Issue 5 Preview Page
Analysis of Water Permeability of Pervious Blocks Using Electrical Resistivity

전기비저항을 이용한 투수블록의 투수성능 분석

Dong-Hyun Lee1
,
Jun-Sik Park2
,
Haeju Do3
,
Jungmin Lee4
,
Soonchul Kwon5
,
Tae-Min Oh6*
이 동현1
,
박 준식2
,
도 해주3
,
이 정민4
,
권 순철5
,
오 태민6*
1Graduate Student, Dept. of Civil and Environmental Engineering, Pusan National Univ.
2Ph.D. Student, Dept. of Civil and Environmental Engineering, Pusan National Univ.
3Member, Ph.D. Student, Dept. of Civil and Environmental Engineering, Pusan National Univ.
4Land & Housing Institute, Korea Land & Housing Corporation
5Prof., Dept. of Civil and Environmental Engineering, Pusan National Univ.
6Member, Associate Prof., Dept. of Civil and Environmental Engineering, Pusan National Univ.
1비회원, 부산대학교 사회환경시스템공학과 석사과정
2비회원, 부산대학교 사회환경시스템공학과 박사과정
3정회원, 부산대학교 사회환경시스템공학과 박사과정
4비회원, LH 토지주택연구원 센터장
5비회원, 부산대학교 사회환경시스템공학과 정교수
6정회원, 부산대학교 사회환경시스템공학과 부교수
*Corresponding Author
31 October 2025. pp. 201-207
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Abstract

Permeable blocks, used in stormwater management, contribute to improving urban water circulation and mitigating the island heating effect by reducing surface runoff and storing rainwater. However, the permeability of these blocks decreases over time as the pores become clogged with debris, highlighting the need for continuous and nondestructive evaluation methods. This study aimed to nondestructively assess the evolution of the permeability of permeable blocks using electrical resistivity measurements, as an indirect indicator for estimating the degree of pore clogging. Two types of aggregates with different specific surface areas were used to fabricate the blocks and the binder content was adjusted to control the porosity. The relationship between the electrical resistivity and change in permeability was defined, enabling the use of the change in the resistivity as a metric of the permeability. The results confirmed that the electrical resistivity is an effective indicator for monitoring the performance degradation of permeable blocks.

Keywords
Electrical resistivity
Permeability performance
Permeable block

빗물관리시설 중 하나인 투수블록은 유출수 저감과 우수 저류를 통해 도심지 물순환 개선 및 열섬현상 완화에 기여한다. 그러나 장기 사용 시 협잡물에 의해 공극이 폐색되어 투수성능이 저하되므로, 성능을 지속적으로 모니터링할 수 있는 평가 기법이 필요하다. 본 연구에서는 전기비저항 측정을 이용하여 투수블록의 투수성능을 비파괴적으로 평가하고, 공극 폐색 정도를 간접적으로 판단하고자 하였다. 비표면적이 다른 두 종류의 골재로 투수블록을 제작하고, 결합재량을 달리하여 투수블록의 공극률을 조절하였다. 전기비저항 측정을 통하여 전기비저항과 투수블록의 투수성능의 상관관계를 분석하였으며, 전기비저항 값의 변화를 통해 투수성능을 판단하였다. 이를 통해 전기비저항이 투수블록의 성능 저하를 모니터링할 수 있는 유효한 지표임을 확인하였다.

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Information
  • Publisher :The Korean Geotechnical Society
  • Publisher(Ko) :한국지반공학회
  • Journal Title :Journal of the Korean Geotechnical Society
  • Journal Title(Ko) :한국지반공학회 논문집
  • Volume : 41
  • No :5
  • Pages :201-207
  • Received Date : 2025-10-13
  • Revised Date : 2025-10-20
  • Accepted Date : 2025-10-21
  • DOI :https://doi.org/10.7843/kgs.2025.41.5.201
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