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| RESEARCH ON INNOVATION OF EXISTING BRIDGE FOR SPEED -INCREASING ON RAILWAY LINE FOR MIXED PAS- SENGER AND FREIGHT TRAFFIC WITH SPEED OF 200 km/h |
| LI Zheng-xiang, YANG Yi-qian |
| The Second Railway survey and Design Institute |
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Abstract The innovation and reuse of existing bridge not only increase economic benefits, but also give reliable guarantee for safety of train running. Based on the dynamic test to existing bridge before reinforcement and re-search on the design for reinforcement, this paper proposes the suggestion to the bridge reinforcement and puts forward the problems to be resolved in nest stage for Qingdao-roan Railway Line under reconstruction.
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Received: 11 March 2004
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2005, Vol. 22 
