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Effects of Media Breakage on Infiltration Characteristics in Stormwater Management System

강우유출수 처리시설 침투특성에 대한 필터여재 파쇄의 영향

  • Received : 2015.12.17
  • Accepted : 2016.02.03
  • Published : 2016.02.29

Abstract

For sand and zeolite filter media in stormwater BMPs, media breakage effects on infiltration were investigated. Compaction effort and infiltration force were mainly examined for breakage sources. The 1-D column infiltration tests for un-compacted and compacted media filters were conducted to investigate the breakage effect on infiltration. As a result, the following findings were deduced: 1) particle breakage due to filtration forces was found to be relatively minimal; 2) un-compacted media had lesser amount of crushed particles and permeability fluctuations compared to compacted media; 3) even without the presence of suspended solids in the influent, reduction in permeability was found, which resulted from rearrangement and re-entrainment of media particle itself; 4) only media particle breakage resistance is considered, sand was revealed to have better performance compared to zeolite media.

Keywords

Infiltration;Filter;Porous media;Clogging;Stormwater management

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Cited by

  1. Clogging Characteristics of Stormwater Infiltration System According to Filter Media Conditions vol.18, pp.3, 2018, https://doi.org/10.9798/KOSHAM.2018.18.3.391

Acknowledgement

Supported by : 국토교통부