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http://dx.doi.org/10.17820/eri.2019.6.4.304

The Analysis of Effect of Biopolymer Treated Soils in Seed Spray Method in the River Embankment  

Seo, Seunghwan (Department of Infrastructure Safety Research, Korea Institute of Civil Engineering and Building Technology)
Jin, Seungnam (Eco n Geo)
Chang, Ilhan (School of Engineering and Information Technology, University of New South Wales)
Chung, Moonkyung (Korea Institute of Civil Engineering and Building Technology)
Publication Information
Ecology and Resilient Infrastructure / v.6, no.4, 2019 , pp. 304-313 More about this Journal
Abstract
Biopolymer based on microbial β-glucan and xanthan gum is effective for vegetation and has a function of enhancing soil strength, which can be used as soil reinforcement and stabilization materials in river embankment. The purpose of this study is to verify the vegetation effect of the surface of levee by biopolymer with seed spraying method. Mixed soils with biopolymer were used to cover the surface of embankments. The strength is higher in biopolymer-treated soil and xanthan gum based biopolymer has advantage for quality control in field scale. In addition, the vegetation of F. arundinacea and L. perenne showed various reactions with types of biopolymers. Biopolymer has a positive effect on the vegetation of them. In contrast, root growth tended to decrease in biopolymer-treated soils. The results indicate that root growth is slow down due to increasing ability to retain water in biopolymer-treated soil. In order to apply biopolymer to river embankment, it is necessary to examine the effects of biopolymers on a wide range of plant species in river embankment.
Keywords
Biopolymer; Field test; Seed spray; Vegetation;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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