Journal of the Architectural Institute of Korea (대한건축학회논문집)

Architectural Institute of Korea (대한건축학회)
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Proposal of Simulated Road Scattering Dust on the Properties of Concrete Permeable Blocks

콘크리트 투수블록의 특성평가를 위한 모사 협잡물의 제안

  • Park, Jun-Seo (Dept. of Architectural Engineering, Kyonggi University) ;
  • Yang, Keun-Hyeok (Dept. of Architectural Engineering, Kyonggi University)
  • Received : 2022.10.12
  • Accepted : 2023.01.03
  • Published : 2023.02.28
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Abstract

This study proposes simulated road scattering dust that factor particle distribution and air-dried density of actual road scattering dust sampled from roads in the Seoul Metropolitan City. The simulated road scattering dust was combined in weight ratios of 22% ISO standard sand, 40% blow sand, and 38% arizona dust. The particle distribution and air-dried density of actual road scattering dust was closely similar to those of the sampled ones. The permeable coefficient and porosity of concrete permeable blocks after covering with the simulated road scattering dust were 0.5 mm/s and 15.2%, which was 18% and 8% lower than those of the concrete permeable blocks before covering. These trends were similar to those obtained from the concrete permeable blocks covered with the dust specified in the Seoul Metropolitan City. The permeable coefficient of concrete permeable blocks covered by dust specified in the Seoul Metropolitan City was 0.31 mm/s, which was 38% lower than that of the blocks covered with the simulated road scattering dust. Consequently, the simulated road scattering dust can be used to reasonably investigate properties relevant to the permeability coefficient of concrete permeable block because it reflects particle distribution of actual road scattering dust.

Keywords

Acknowledgement

이 연구는 2023년도 중소벤처기업부 "구매조건부신제품개발사업" 지원에 의하여 수행된 연구사업임. 과제번호: No. S3302880

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