Abstract
In order to clarify the controlling efficiency of runoff pollutant by porous asphalt, the efficiency of controlling runoff pollutant has been studied from materials of porous asphalt based on the determining the main value indices of runoff pollutant. The experiment results show that the porous asphalts with different void structure all have certain removal effect on COD and SS. The removal effect is related to the form of void structure. On the basis of efficient compaction and gradation design, the removal effect is better with the decrease of void ratio. Balance to the permeability and removal effect, the effective void ratio of porous asphalt is recommended to be 20%.
| Original language | English |
|---|---|
| Pages (from-to) | 51-54 |
| Number of pages | 4 |
| Journal | Wuhan Ligong Daxue Xuebao (Jiaotong Kexue Yu Gongcheng Ban)/Journal of Wuhan University of Technology (Transportation Science and Engineering) |
| Volume | 38 |
| Issue number | 1 |
| DOIs | |
| State | Published - Feb 2014 |
| Externally published | Yes |
Keywords
- Chemistry oxygen demand
- Porous asphalt
- Runoff pollutant
- Suspended solid
- Void structure
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