PSC 상자형교의 지진취약도 곡선에 대한 근거리 및 원거리 지진의 영향
Effect of Near- and Far-Fault Earthquakes for Seismic Fragility Curves of PSC Box Girder Bridges
1
조회
0
다운로드
12
인용
0
참고문헌
키워드
초록
구조물의 지진취약도 곡선은 지진의 다양한 강도를 최대지반가속도 등의 함수로 하여 몇 가지로 구분된 손상상태를 초과할 확률을 나타내는 것으로 구조물의 내진성능과 지진위험도를 평가하는데 유용하게 활용된다. 기존의 많은 연구자들이 수행한 지진취약도 곡선에 대한 연구에서 근거리 및 원거리 지진하중의 특성에 대하여 고려하지 못하였다. 본 연구에서는 근거리 및 원거리 지진으로 구분되는 지진가속도 기록을 사용하여 국내 교량의 대표적인 형식의 하나인 PSC상자형교에 대한 지진취약도 곡선을 평가하였으며 근거리와 원거리로 구분된 지진 특성이 지진취약도 곡선에 미치는 영향을 분석하였다. 예제교량의 지진취약도 곡선에 대한 근거리 및 원거리 지진의 영향이 현저한 차이를 나타내므로 지진취약도 해석시 근거리와 원거리로 구분되는 지진의 특성을 반영하여야 할 것이다.
Abstract
Seismic fragility curves of structures represent the probability of exceeding the prescribed structural damage state for a given various levels of ground motion intensity, such as peak ground acceleration (PGA). This means that seismic fragility curves are essential to the evaluation of structural seismic performance and assessments of risk. Most of existing studies have not considered the near- and far-fault earthquake effect on the seismic fragility curves. In order to evaluate the effect of near- and far-fault earthquakes, seismic fragility curves for PSC box girder bridges subjected to near- and far-fault earthquakes are calculated and compared. The seismic fragility curves are strongly dependent on the earthquake characteristics such as fault distance. This paper suggests that the effect of near- and far-fault earthquakes on seismic fragility curves of PSC box girder bridge structure should be considered.
참고문헌 (24)
- Priestley, M.J.N, "Seismic design and retrofit of bridges" (1996), John Wiley & Sons
- Chen,W.F, "Bridge Engineering Seismic design" (2003), CRC Press
- 송종걸, "강구조물의 시스템 지진응답 산정과 지진손상도 해석", 박사, pp.1997
- "HAZUS-MH MR3 Technical Manual", Department of Homeland Security Emergency Preparedness and Response Directorate, FEMA, ~ (2003)
- Chopra,A.K, "Dynamics of Structures: Theory and Applications to Earthquake Engineering (2nd edition)" (2001), Prentice- Hall
- 송종걸, "근거리 및 원거리 지진에 대한 비선형 구조물의 강도감소계수 산정", 대한토목학회 논문집A, 27(3A), pp.321~337 (2007), 대한토목학회
- 송종걸, "비탄성 이력응답 및 지진특성을 반영한 변위증폭계수의 산정", 대한토목학회 논문집A, 27(4A), pp.519~533 (2007), 대한토목학회
- Shinozuka,M., "Statistical Analysis of Fragility Curves" (2001), Technical Report at Multidisciplinary Center for Earthquake Engineering Research
- Shinozuka,M., "Fragility Considerations in Highway Bridge" (2006), Technical Report at Multidisciplinary Center for Earthquake Engineering Research
- 고현무, "모멘트 손상지수를 이용한 철근콘크리트 교각의 지진취약도 평가", 대한토목학회 2002 년 학술발표회논문집, pp.464~467 (2002)
- EunsooChoi, "Seismic Fragility of Typical Bridges in Moderate Seismic Zond", KSCE Journal of Civil Engineering, 7(1), pp.41~51 (2003), 대한토목학회
- Kim,S.H, "Fragility analysis of bridges under ground motion with spatial variation", 박사, Department of Civil Engineering, pp.2002
- Dutta,A, "On Energy-based Seismic Analysis and Design of Highway Bridges", 박사, pp.1999
- Basöz,N., "Enhancement of the Highway Transportation Lifeline Module in HAZUS" (1999), Prepared for National Institute of Building Sciences
- Evaluation of Bridge Damage Data from the Loma Prieta and Northridge, CA Earthquakes, "Basöz, N.", John A. Blume Earthquake Engineering Center, Civil Engineering Department, Stanford University, ~, pp.Technical Report No. 127, MCEER 98-004 (1997)
- Mazzoni, S, "Open System for Earthquake Engineering Simulation" (2007), Pacific Earthquake Engineering Research Center (PEER)
- Scott, B.D, "Stress-strain behavior of concrete confined by overlapping hoops at low and high strain rates", ACI Struct. J., 79(1), pp.13~27
- Menegoto, M, "Method of Analysis of Cyclically Loaded Reinforced Concrete Plane Frames including Changes in Geometry and Non-elastic Behaviour of Elements under Combined Normal force and Bending", IABSE Symposium on Resistance and Ultimate Deformability of Structures Acted on by Well-Defined Repeated Loads, Final Report
- 조창근, "변단면 형강 부재의 파이버 유한요소 비선형 정밀해법 알고리즘", 대한토목학회 논문집A, 25(4A), pp.611~619 (2005), 대한토목학회
- A fiber beam-column element for seismic response analysis of reinforced concrete structures. in Technical Report, "Taucer, F.F", Earthquake Engineering Research Center (EERC), ~, pp.Report No. EERC-91 (1991), 17
- A beamcolumn joint model for simulating the earthquake response of reinforced concrete frames, Technical Report, "Lowes, L.N", Pacific Earthquake Engineering Research Center (PEER), ~, pp.Report No. PEER 2003 (2003), 10
- "Development of ground motion time histories for phase 2 of the FEMA/SAC steel project, SAC/BD 97/04" (1997)[URL]
- "UcFyber - Cross section analysis software for structural engineers, ZeventT Moncrete columns", ~