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http://dx.doi.org/10.17663/JWR.2020.22.1.1

Analysis of Runoff Reduction Effect and Rainfall Intensity-Duration Time of Permeable Block Facility  

Han, Sangyun (Department of Civil Engineering, Seoul National University of Science and Technology)
Gil, Kyungik (Department of Civil Engineering, Seoul National University of Science and Technology)
Publication Information
Journal of Wetlands Research / v.22, no.1, 2020 , pp. 1-7 More about this Journal
Abstract
Non-point pollution adversely affects the water system and its influence is increasing. In order to manage such nonpoint source pollution, the government has conducted studies on LID (Low Impact Development) facilities and various efficiency evaluations. In this study, the actual installed permeable block facility among the various LID facilities was analyzed the effluent reduction rate, the residual rainfall analysis, the runoff duration time and the reduction rate of the maximum inflow and outflow for the rainfall runoff control and the results were compared the other facilities. The analysis results show that the reduction efficiency is high in order of impermeable block, filter type permeable block, and clearance type permeable block, and the graph showing the relationship between the rainfall intensity and the runoff duration time is presented. This graph can be helpful in the design of facilities such as the facility capacity selection according to the reproduction period of the permeable block facility similar to this.
Keywords
LID(Low Impact Development); Runoff Reduction Rate; Rainfall intensity; Runoff duration time;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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