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双曲拱桥是一种具有民族特色的拱桥型式,至今为止,在役的双曲拱桥营运时间约有30~40年的历史,双曲拱桥的加固改造已是迫在眉睫。通过旭光大桥的病害特点和原因进行分析,阐述了其加固改造的具体措施,材料要求,施工工艺等。实践证明:此法具有施工简单,速度快,质量好,造价低的优点,说明该桥的加固改造是成功的。
The double-curved arch bridge is a type of arch bridge with national characteristics. Up to now, the existing double-arch arch bridge has been in operation for about 30-40 years, and the reinforcement of double-curved arch bridge is imminent. Through the characteristics and causes of the disease of Xuguang Bridge, the paper elaborates the specific measures, material requirements and construction techniques of its reinforcement and reconstruction. Practice has proved that this method has the advantages of simple construction, fast speed, good quality and low cost, which shows that the reinforcement of the bridge is successful.