论文部分内容阅读
随着时间的推移,任何公路桥梁都将成为旧桥,都会因各种原因不同程度地存在缺陷、病害需要维修、加固和改造。
As time goes on, any highway bridge will become old bridge, will have defects to varying degrees for various reasons, disease need to repair, reinforcement and transformation.