DOI QR코드

DOI QR Code

Seismic Response of CWR on HSR Bridge Considering Derailment Inducing Factors

탈선취약요소를 고려한 고속철도교량 장대레일 지진응답 평가

  • 이장석 (현대건설 기술연구소) ;
  • 김대상 (한국철도기술연구원 차륜궤도연구실)
  • Published : 2009.06.30

Abstract

n the event of an earthquake, additional stresses can occur in the continuous welded rails (CWR) of High-speed railway (HSR) bridges due to relative displacements at expansion joints, and this stress can cause derailment. The amplification of ground motion occurs as a result of site effects, and this is pronounced at the site of a soft surface soil layer and of a rigid surface soil layer over a soft one. As a result, the amplified ground motion leads to an amplified seismic response in HSR bridges. A change in bridge pier height affects the seismic behavior of the bridge. A HSR bridge with gravel ballast tracks will show different dynamic behavior during an earthquake than one with concrete ballast tracks. The seismic responses of HSR bridges and their CWR are analyzed considering the derailment-inducing factors.

Keywords

CWR;HSR bridge;Derailment;Seismic response;Site effects

References

  1. International Union of Railways, UIC Code 774-3 R, 70, 2001
  2. Taiwan High Speed Rail Corporation, Taiwan high speed rail design specifications, Vol. 9, Section3 Appendix C, 1999
  3. 한국철도시설공단, 건설교통부 제정 고속철도설계기준(노반편), 968, 2005
  4. 현대건설주식회사 기술연구소, 특수구조물에서의 내진설계를 위한 SSI 해석기법 개발, 1차 중간보고서, 현대건설 주식회사, 123, 1996
  5. 한국지진공학회, 지중구조물의 내진설계, 제3회 기술강습회, 한국지진공학회, 398, 1999
  6. Gasparini, D. A., and Vanmarcke, E. H., Simulated earthquake motions compatible with prescribed response spectra, MIT, SIMQKE, 65, 1976
  7. 서울대학교공학연구소, 철도노반의 탈선안전성 평가기술 개발, 1차년도 최종보고서, 서울대학교 공학연구소, 106, 2006
  8. Wolf, J.P., Soil-structure interaction analysis in time domain, Prentice-Hall Inc., 1988
  9. Kim, J. K., Koh, H. M., Kwon, K. J., and Yi, J. S., “A threedimensional transmitting boundary formulated in cartesian co-ordinate system for the dynamics of non-axisymmetric foundations”, Earthquake Engineering and Structural Dynamics, Vol. 29, 1527-1546, 2000 https://doi.org/10.1002/1096-9845(200010)29:10<1527::AID-EQE978>3.0.CO;2-S
  10. 김용길, 권기준, 고현무, “사용지진을 고려한 고속철도 연속교장대레일 응력해석”, 한국지진공학회 논문집, 제6권 제5호, 59-66, 2002 https://doi.org/10.5000/EESK.2002.6.5.059
  11. 양신추, 김연태, 강태구, “열차하중이 교량상 장대레일 축력에 미치는 영향에 관한 연구,” 대한토목학회 정기학술대회 논문집, 4214-4226, 2003