A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Research for Bridge Optimal Seismic Retrofitting Strategies
Two different retrofitting concepts, including anti-seismic (pier strengthening) and seismic isolation (replacing with isolation bearing) were applied to bridge seismic strengthening. Influence factors of post-retrofitting performance in bridge were determined by the following parameters: pier stiffness and isolation bearing stiffness. By finite element analysis of controlling one parameter, the post-retrofitting performance was evaluated and compared with respect to the strategy with another variable parameter and vice versa. Meanwhile, comparative analysis was concerned by economic factors: bridge importance, labor cost, material cost and transportation, construction period, etc. Quantified parameter and the “performance/cost” which was a popular index in engineering economy were applied to find the best point (it was an optimal retrofitting strategy point). It also served as a project case of using this methodology to testify the rationality and provided a practical reference for expert and scholar in the field of bridge seismic retrofit.
Research for Bridge Optimal Seismic Retrofitting Strategies
Two different retrofitting concepts, including anti-seismic (pier strengthening) and seismic isolation (replacing with isolation bearing) were applied to bridge seismic strengthening. Influence factors of post-retrofitting performance in bridge were determined by the following parameters: pier stiffness and isolation bearing stiffness. By finite element analysis of controlling one parameter, the post-retrofitting performance was evaluated and compared with respect to the strategy with another variable parameter and vice versa. Meanwhile, comparative analysis was concerned by economic factors: bridge importance, labor cost, material cost and transportation, construction period, etc. Quantified parameter and the “performance/cost” which was a popular index in engineering economy were applied to find the best point (it was an optimal retrofitting strategy point). It also served as a project case of using this methodology to testify the rationality and provided a practical reference for expert and scholar in the field of bridge seismic retrofit.
Research for Bridge Optimal Seismic Retrofitting Strategies
Advanced Materials Research ; 671-674 ; 1356-1361
2013-03-11
6 pages
Article (Journal)
Electronic Resource
English
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