Improving vehicle’s seismic safety by equipping railway bridges with FPB and misalignment control device
Abstract Running safety of the railway vehicles on the bridge during earthquakes is a major concern for railway engineering. To reduce the derailment risk of railway vehicles on bridges, friction pendulum bearings (FPB) are proposed to be equipped on simply supported bridges in this study. The full...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
SpringerOpen
2022-06-01
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| Series: | Advances in Bridge Engineering |
| Subjects: | |
| Online Access: | https://doi.org/10.1186/s43251-022-00055-0 |
| _version_ | 1818488516284252160 |
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| author | Zhibin Jin Ke Chen Jinzhe He |
| author_facet | Zhibin Jin Ke Chen Jinzhe He |
| author_sort | Zhibin Jin |
| collection | DOAJ |
| description | Abstract Running safety of the railway vehicles on the bridge during earthquakes is a major concern for railway engineering. To reduce the derailment risk of railway vehicles on bridges, friction pendulum bearings (FPB) are proposed to be equipped on simply supported bridges in this study. The full nonlinear behavior of the FPB is introduced into the vehicle-bridge interaction model. The effect of FPB’s manufacturing variations, including the shear pin’s strength and friction coefficient, on the misalignment was investigated. The manufacturing variations of the FPB were found to produce large lateral misalignment, which further contributes to large wheel-rail forces when the vehicle passes over the girder ends. It diminishes the improvement in the vehicle’s seismic safety provided by FPBs. Thus, a misalignment control device is proposed to limit the misalignment of the railway bridges equipped with FPBs. The vehicle-bridge interaction analysis results show that no wheel uplift occurred on the bridge equipped with FPBs and misalignment control devices during an earthquake. It indicates that the FPB significantly reduces the vehicle’s derailment risk on bridges compared with the non-isolated bearings. |
| first_indexed | 2024-12-10T16:52:02Z |
| format | Article |
| id | doaj.art-2355af544ada42ec853ea48bcc5c0783 |
| institution | Directory Open Access Journal |
| issn | 2662-5407 |
| language | English |
| last_indexed | 2024-12-10T16:52:02Z |
| publishDate | 2022-06-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | Advances in Bridge Engineering |
| spelling | doaj.art-2355af544ada42ec853ea48bcc5c07832022-12-22T01:40:52ZengSpringerOpenAdvances in Bridge Engineering2662-54072022-06-013112410.1186/s43251-022-00055-0Improving vehicle’s seismic safety by equipping railway bridges with FPB and misalignment control deviceZhibin Jin0Ke Chen1Jinzhe He2Department of Bridge Eng., Southwest Jiaotong UniversityDepartment of Bridge Eng., Southwest Jiaotong UniversityDepartment of Bridge Eng., Southwest Jiaotong UniversityAbstract Running safety of the railway vehicles on the bridge during earthquakes is a major concern for railway engineering. To reduce the derailment risk of railway vehicles on bridges, friction pendulum bearings (FPB) are proposed to be equipped on simply supported bridges in this study. The full nonlinear behavior of the FPB is introduced into the vehicle-bridge interaction model. The effect of FPB’s manufacturing variations, including the shear pin’s strength and friction coefficient, on the misalignment was investigated. The manufacturing variations of the FPB were found to produce large lateral misalignment, which further contributes to large wheel-rail forces when the vehicle passes over the girder ends. It diminishes the improvement in the vehicle’s seismic safety provided by FPBs. Thus, a misalignment control device is proposed to limit the misalignment of the railway bridges equipped with FPBs. The vehicle-bridge interaction analysis results show that no wheel uplift occurred on the bridge equipped with FPBs and misalignment control devices during an earthquake. It indicates that the FPB significantly reduces the vehicle’s derailment risk on bridges compared with the non-isolated bearings.https://doi.org/10.1186/s43251-022-00055-0Railway bridgeFriction pendulum bearingEarthquake excitationRailway vehicleRunning safety |
| spellingShingle | Zhibin Jin Ke Chen Jinzhe He Improving vehicle’s seismic safety by equipping railway bridges with FPB and misalignment control device Advances in Bridge Engineering Railway bridge Friction pendulum bearing Earthquake excitation Railway vehicle Running safety |
| title | Improving vehicle’s seismic safety by equipping railway bridges with FPB and misalignment control device |
| title_full | Improving vehicle’s seismic safety by equipping railway bridges with FPB and misalignment control device |
| title_fullStr | Improving vehicle’s seismic safety by equipping railway bridges with FPB and misalignment control device |
| title_full_unstemmed | Improving vehicle’s seismic safety by equipping railway bridges with FPB and misalignment control device |
| title_short | Improving vehicle’s seismic safety by equipping railway bridges with FPB and misalignment control device |
| title_sort | improving vehicle s seismic safety by equipping railway bridges with fpb and misalignment control device |
| topic | Railway bridge Friction pendulum bearing Earthquake excitation Railway vehicle Running safety |
| url | https://doi.org/10.1186/s43251-022-00055-0 |
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