A fatigue crack occurred in the vicinity of the suspension bridge`s center-stay area is generated. Therefore, the stress and caused of occurrence of each member are analyzed by measurement. When similar cases occur in the future, they shall be utilized as basic data such as research methods and establishment of measures for maintenance.

Abstract
 1. 서 론
 2. 균열발생 현황 및 현장 계측
 3. 데이터 분석 및 피로손상도 평가
 4. 결 론
 참고문헌

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