Some measures are utilized for interchange ramp bridge maintenance,for instance increasing crashworthiness guardrail,replacing bearing,reinforcing crack in the underside of the board.

 
  • 通过增加防撞护栏、更换支座、加固板底裂缝等方法对匝道桥进行维修,效果显著,可为其他桥梁类似病害的设计与施工提供参考。
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