One of the difficulty of performance-based seismic design method is the research on performance level, it is comprised with three aspects, (1)Division on anti- seismic performance level, namely the choice of performance index and how many level will be used; (2) The performance index that be used to describe the structure performance; (3) The relationship between the performance index and performance level. The conventional urban viaduct is studied in this article. Its performance level is divided into five levels. They are: complete, basic complete, light damage, moderate damage, and erious damage. The damage index is used as the performance index which expressed by the displacement ductility coefficient of the bridge pier top. The quantification relationship is established between the performance level to damage index which expressed by displacement ductility coefficient that started from the concrete compression strain and steel tension strain in difference performance level. The research of this article may provide the reference to performance-based seismic design of the conventional urban viaduct.
Primary Discussion on Anti-Seismic Performance Level of Urban Viaduct
Second International Conference on Transportation Engineering ; 2009 ; Southwest Jiaotong University, Chengdu, China
2009-07-29
Conference paper
Electronic Resource
English
Highways and roads , Information technology (IT) , Transportation management , Construction , Freight transportation , Water transportation , Air transportation , Rail transportation , Seismic effects , Viaducts , Urban areas , Optimization , Public transportation , Displacement , Traffic management
Primary Discussion on Anti-Seismic Performance Level of Urban Viaduct
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