Then an example of retrofit techniques of steel truss bridge is introduced, in which the concept of damage control design is adopted introducing an girder floor isolation system and hysteretic damper.

另外，还例举说明了钢桁架桥的改造，其设计引入了震害控制的观念，采用了桁架桥板梁隔震系统和滞后减振装置。

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Then an example of retrofit techniques of steel truss bridge is introduced, in which the concept of damage control design is adopted introducing an girder floor isolation system and hysteretic damper.

另外，还例举说明了钢桁架桥的改造，其设计引入了震害控制的观念，采用了桁架桥板梁隔震系统和滞后减振装置。

youdao