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http://dx.doi.org/10.17663/JWR.2017.19.3.359

Development and Cost-effective Evaluation of Grass Blocks Minimizing Construction Waste  

Jeon, Minsu (Department of civil and Environmental Engineering, Kongju National University)
Hong, Jungsun (Department of civil and Environmental Engineering, Kongju National University)
Jeon, Jechan (Dept. of Watershed & Total Load Management Research, National Institute of Environmental Research)
Kim, Lee-Hyung (Department of civil and Environmental Engineering, Kongju National University)
Publication Information
Journal of Wetlands Research / v.19, no.3, 2017 , pp. 359-365 More about this Journal
Abstract
Impermeable surfaces such as transportation land uses including roads and parking lots accumulate high heavy metals and particulate matters concentration especially during dry season which worsens the river water quality and distort the water circulation system during rainfall events. Recently, the government has been promoting policies to install Low Impact Development (LID) facilities such as permeable pavements or grass blocks in parking lots or pavements. However, transition of asphalt-paved surfaces to permeable pavement generated asphalt wastes which are detrimental to the environment and has cost implications due to its removal and disposal. Therefore this study was conducted to provide a method of constructing a cost-effective permeable pavement to reduce waste generation and cost. In this study, comparative analysis of the water circulation capacity and economic efficiency of the traditional construction method and new method proposed in this study through the lab-scale experiment. The proposed method was to make holes in existing asphalt pavements, layout geotextile fabric and permeable base media such as sand before compaction. After compaction, layout grass blocks on the compacted base media then layout sand in between each grass blocks before compaction. Apparently, there was no significant difference between the traditional installation method of permeable pavement and the proposed method in this study considering surface runoff, infiltrated volume, stored volume, and rainfall-runoff delay time. The proposed method in this study generated 86% less wastes compared to the traditional installation method and has 70% cost reduction considering asphalt removal and disposal. The construction method proposed in this study yielded similar performance compared to the traditional installation method and water circulation effect, but was proven to be less complicated and economical.
Keywords
Low impact development (LID); permeable pavement; solid waste; water cycle;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
연도 인용수 순위
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