지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2011.10
- 수록면
- 436 - 442 (7page)
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초록· 키워드
오류제보하기
It is increasing construction of long span railway bridge with concrete track system for speed up of railway and efficient maintenance of track. As the sleeper of the concrete track system layed on a bridge is fixed on deck of the bridge, the displacement of the sleeper and deck is same. Therefore, the spacing between two sleeper installed at the end of the adjacent deck near the expansion joint of bridge becomes vary according to the longitudinal expansion of a deck by temperature change. By the way, if the spacing of sleepers become increase excessively, it causes large bending stress of in a rail, and it can leads failure or reduction of fatigue life of the rail. And also the excessive displacement of the rail may induce decrease ride comfort. Therefore, in order to prevent such problems, the allowable maximum sleeper spacing at a bridge expansion joint was mutually determined. And, the determination procedure of the maximum bridge expansion length based on the allowable sleeper spacing was suggested.
목차
ABSTRACT
1. 서론
2. 교량 신축부에서의 적정 침목간격의 검토
3. 교량의 특성에 따른 신축량 분석 및 허용 최대 신축장 결정방법 제시
4. 결론
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UCI(KEPA) : I410-ECN-0101-2013-326-001083043