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近年来,旧桥已经出现不同程度的病害,直接威胁到公路桥梁的安全使用。如何合理的评估这些在役双曲拱桥的承载力,提出既安全可靠又经济实用的加固方案,进而对加固后的双曲拱桥进行承载力、安全储备等研究,对于现役桥梁的维修、加固和改造具有理论和现实意义。
In recent years, the old bridge has been varying degrees of disease, a direct threat to the safe use of highway bridges. How to reasonably evaluate the bearing capacity of these two-way arch bridges in service and propose a safe, reliable and economical reinforcement scheme, and then carry out research on the bearing capacity and safety reserve of the double curved arch bridge after reinforcement, Transformation has theoretical and practical significance.