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在我国,很多旧桥仍然被使用,但是其能够承受的载荷已经无法满足现代运输的要求,而且这些旧桥的使用寿命也快到期。与此同时,我国旧桥加固中出现了很多方面的问题,这些问题的存在都会影响整个旧桥加固的效果,甚至会影响整个桥梁工程的质量。一个比较流行的方法是对旧桥进行加固处理,同时加强新旧桥的衔接,旨在利用最小的成本完成对旧桥的改造。
In our country, many old bridges are still used, but the load they can withstand has been unable to meet the requirements of modern transport, and the service life of these old bridges are also due to expire. At the same time, there are many problems in the reinforcement of old bridges in our country. The existence of these problems will affect the reinforcement effect of the whole old bridges and even affect the quality of the whole bridge project. A more popular method is to reinforce the old bridge while strengthening the interface between old and new bridges, with the aim of using the least cost to complete the transformation of the old bridge.