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판형교에서 개량된 스페리칼받침의 유지보수 및 동적 거동Maintenance and Dynamic Behavior of Advanced Spherical Bearings underRailway Open-Steel-Plate-Girder Bridges

Other Titles
Maintenance and Dynamic Behavior of Advanced Spherical Bearings underRailway Open-Steel-Plate-Girder Bridges
Authors
최은수이희업이승용
Issue Date
2008
Publisher
한국철도학회
Keywords
철도교; 스페리칼받침; 교량의 유지보수; 들림현상; Railway bridges; Spherical bearings; Maintenance of bridges; Up-lift phenomenon
Citation
한국철도학회논문집, v.11, no.2, pp.165 - 175
Journal Title
한국철도학회논문집
Volume
11
Number
2
Start Page
165
End Page
175
URI
https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/23240
ISSN
1738-6225
Abstract
Line type rigid bearings for Open-Steel-Plate-Girder railway bridges have several problems in service, and they are unstable structurally. A series of lateral resistance tests were performed for a retrieved line type bearing. A spherical bearing with advanced maintenance-capability and a device to resist the up-lift was developed and replaced the existing ones. An experiment of maintenance for a new spherical bearing under real Open-Steel-Plate-Girder bridge was conducted and their good maintenance performance was proved. Also, a test against up-lift was performed for the bearing. The dynamic behavior of the bridge was measured and analyzed for the two cases of the existing and replaced bearings. Therefore, the suitability of the new spherical bearings on the railway bridge was improved.
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