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| Research on Characteristics of Seismic Hazard to Highway Bridge and Advices |
| SoNG Sui—di |
| China Railway Eryuan Engineering Group Co．Ltd，Chengdu，Sichuan 610031，China |
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Abstract Research purposes: After the”5·12”Wenchuan Eaahquake，the investigation of the seismic hazard to bridges was made and the research was done done on the characteristics and reasons for the seismic hazard to highway bridge and the shortages of the current”Seismic Design Code for Highway Bridge”for the purpose of offering the advices on working out the new code．
Research conclusions: There is big gap between the current seismic design intensity and actual seismic requirement for the main city and town in China，So the seismic code should be improved and revised．The design principle of the bridge crossing active geological structure zone should be added in the seismic code．The seismic code should require doing the research on the seismic intensity for the bridge structure of main highway．The more seismic measures should be taken for the seismic structure．The comprehensive seismic design measures should be taken in high earthquake intensity area to enhance the seismic capacity of the structure．The clear seismic requirements should be presented for construction of bridge in high earthquake intensity area．
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Received: 05 June 2010
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2010, Vol. 27 
