Journal of the Korean GEO-environmental Society (한국지반환경공학회 논문집)

Korean Geo-Environmental Society (한국지반환경공학회)
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Analysis of the Safety Factor of Railway Slopes when Rapid Hardening Composite Mat are Applied

초속경 복합매트 적용 시 철도 비탈면 안전율 분석

  • Seongmin Jang (Dept. of Construction Engineering, Dongyang University) ;
  • Jinseong Park (Dept. of Construction Engineering, Dongyang University) ;
  • Taehee Kang (Saman CO. Ltd.) ;
  • Hyuksang Jung (Dept. of Railroad Construction and Safety Engineering, Dongyang University)
  • Received : 2023.03.23
  • Accepted : 2023.04.10
  • Published : 2023.05.01
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Abstract

In this paper, an experimental study was conducted to present the properties of rapid hardening composite mat, and a numerical analysis was carried out to analyze the slope protection effect of the mats based on ground conditions, rainfall, slope gradient and soil height. As a result, the application of rapid hardening composite mat increased the slope safety factor in all conditions, and the increase rate of safety factor showed an average of 40% increase both in dry and rainy seasons. Through these research findings, the protective effect of the rapid hardening composite mat on sloping surfaces has been proven, and it is suggested that the rapid hardening composite mat is suitable for application in areas where slope failure or collapse is expected.

본 논문에서는 시험적 연구를 통해 초속경 복합매트의 물성을 제시하고, 수치해석적 연구를 통해 지반조건, 강우량, 비탈면 기울기, 성토 높이 등에 따른 초속경 복합매트의 비탈면 보호효과를 분석한 연구를 다루었다. 그 결과 모든 조건에서 초속경 복합매트를 적용할 경우 비탈면 안전율은 증가하였으며, 안전율 증가율은 건기 시와 우기 시 모두 평균 40%의 증가율을 보였다. 이러한 연구결과를 통해 초속경 복합매트의 비탈면 보호효과를 입증하였으며, 초속경 복합매트는 비탈면 유실 및 붕괴가 예상되는 구간에 적용하기 적합할 것으로 사료된다.

Keywords

Acknowledgement

This work is supported by the Korea Agency for Infrastructure Technology Advancement (KAIA) grant funded by the Ministry of Land, Infrastructure and Transport (Grant RS-2021-KA161320).

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