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结合课题组提出的拱桥加固新方法,提出了在缺乏资料时,如何确定拱背新加钢筋混凝土厚度的方法——等应力法。文中阐述了等应力法的原理及应用方法,并结合工程实例进行了详细介绍,实例的检测结果及运营效果进一步验证了等应力法的合理性和可行性,可为以后类似拱桥的加固提供有益的参考。
Based on the new method of arch bridge reinforcement put forward by the research group, this paper puts forward a method of how to determine the thickness of newly added reinforced concrete in the arch arch in the absence of data - the equivalent stress method. The principle and application method of equal stress method are expounded in this paper, and the engineering examples are introduced in detail. The test results and operational effects of the examples further verify the rationality and feasibility of the equal stress method and provide benefits for future similar arch reinforcement The reference.