| Title |
Proposal of Simulated Road Scattering Dust on the Properties of Concrete Permeable Blocks |
| Authors |
박준서(Park, Jun-Seo) ; 양근혁(Yang, Keun-Hyeok) |
| DOI |
https://doi.org/10.5659/JAIK.2023.39.2.273 |
| Keywords |
Concrete permeable blocks; Road scattering dust; Coefficient of permeability; Porosity |
| 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. |