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2026 Vol.42, Issue 1 Preview Page
Dynamic Response Analysis of Railway Embankments Based on Korean Design Standards

국내 설계 기준을 반영한 철도 성토구조물의 동적 거동 분석

Hyunmin Song1†
,
Ji Hyeon Kim2†
,
Mintaek Yoo3*
송 현민1†
,
김 지현2†
,
유 민택3*
1Member, Graduate Student, Dept. of Civil and Environmental Engineering, Gachon Univ.
2Senior Researcher, Track & Civil Infrastructure Division, Korea Railroad Research Institute
3Member, Assistant Prof., Dept. of Civil and Environmental Engineering, Gachon Univ.
1정회원, 가천대학교 토목환경공학과 석사과정
2비회원, 한국철도기술연구원 선임연구원
3정회원, 가천대학교 토목환경공학과 조교수
*Corresponding Author
† 송현민, 김지현은 공동 제1저자로서 본 연구에 동등하게 기여하였음.
28 February 2026. pp. 27-35
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Abstract

In this study, a finite-element-based numerical model was developed to analyze the dynamic behavior of railway embankment structures under seismic loading. The embankment model was constructed based on the standard slope of high-speed railway embankments specified in Korean design codes, while the underlying soil was modeled under various conditions based on Korean ground classification standards. Dynamic analyses were conducted using OpenSees by varying the bedrock depth and the shear wave velocity of the soil layers. The dynamic behavior of the embankment structure was evaluated primarily based on settlement at the embankment crest. The analysis results indicate that embankment settlement increases with increasing thickness of the underlying soil layer and decreasing shear wave velocity. In addition, the frequency characteristics of the input ground motion were found to have a substantial impact on the dynamic response of the railway embankment.

Keywords
Dynamic analysis
Earthquake
Embankment
OpenSees
Settlement

본 연구에서는 지진 시 철도 성토구조물의 동적 거동을 분석하기 위해 유한요소 기반의 수치 해석 모델을 구축하였다. 해석 모델 성토부는 국내 설계 기준에 따른 고속철도 성토 비탈면의 표준 경사를 반영하였으며, 하부 토층 지반은 국내 지반 분류 기준을 반영하여 다양한 조건별 해석 모델을 구축하였다. OpenSees를 활용하여 기반암 깊이와 토층 전단파 속도를 달리한 다양한 조건에서 동적 해석을 수행하였으며, 성토 상부에서의 침하량을 도출하여 성토 구조물의 동적 거동을 분석하였다. 그 결과, 하부 토층의 두께가 증가하고 전단파 속도가 감소할수록 침하량이 증가하였으며 지진파의 주파수 특성 또한 큰 영향을 미치는 것으로 확인되었다.

References
1

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Information
  • Publisher :The Korean Geotechnical Society
  • Publisher(Ko) :한국지반공학회
  • Journal Title :Journal of the Korean Geotechnical Society
  • Journal Title(Ko) :한국지반공학회 논문집
  • Volume : 42
  • No :1
  • Pages :27-35
  • Received Date : 2025-11-27
  • Revised Date : 2026-01-06
  • Accepted Date : 2026-01-06
  • DOI :https://doi.org/10.7843/kgs.2026.42.1.27
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