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- W2388136988 abstract "Taking a transversal-deck-slab rib arch bridge as the example,the status of damage detection and test evaluation of the bridge are introduced and the multistage strengthening measures thereof are brought forward.For getting the actual working condition and forcing performance of the bridge at different strengthening stages and evaluating the effect of strengthening,the relevant static and dynamic load tests are also performed and the strength and stiffness of main arch structure as well as the inherent vibration characters and impact performance at different stages of strengthening are compared. The results of comparison indicate the strength and stiffness of structure are significantly improved after strengthening with measured horizontal and vertical fundamental frequencies up 8.0% and 6.9% respectively after strengthening;measured vibration mode curves have excellent symmetry and coincide with the results of theoretic analysis;after strengthening,the measured impact coefficients in vehicle running and jumping cases on arch top are both reduced,which means the strengthening measures are effective in enhancing the overall forcing performance of the bridge structure." @default.
- W2388136988 created "2016-06-24" @default.
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- W2388136988 date "2008-01-01" @default.
- W2388136988 modified "2023-09-23" @default.
- W2388136988 title "Multistage Strengthening Measures and Forcing Performance Comparative Analysis of A Reinforced Concrete Rib Arch Bridge" @default.
- W2388136988 hasPublicationYear "2008" @default.
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