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쿼드리올라쿤레바바툰데 ( Quadri Olakunle Babatunde ),손동건 ( Dong Geon Son ),허윤검 ( Yoon Geom Heo ),변용훈 ( Yong-hoon Byun ) 한국농공학회 2022 한국농공학회 학술대회초록집 Vol.2022 No.-
Soil erosion has a significant influence on agricultural sustainability, resulting in critical economic, environmental and engineering challenges. This study presents the improvement of soil internal erosion using a novel zein biopolymer binder. In this study, cohesionless soils which are susceptible to erosion are considered as a specimen. A comparative test is conducted on untreated and treated soil specimens prepared using a 1 % mass of zein biopolymer binder. Specimens are compacted in an acrylic transparent mold with a 6 mm predrilled axial hole. Soil specimens are subjected to a hole erosion test at a constant hydraulic gradient and flow rate after curing for predetermined periods. The experimental results show that erosion occurs rapidly in an untreated specimen, resulting in total soil collapse. The application of zein biopolymer binder significantly improves the erosion resistance of the treated specimen. The erosion rate of the treated specimen decreases with increasing curing period. Based on the experimental result, zein biopolymer is suggested as a potential binder to mitigate soil erosion.