钢筋混凝土刚架拱桥裂缝修复技术有多种,但有些修复效果往往不太理想。在分析了其裂缝原因、种类和常见修复技术后,采用压力注胶法对修补试件进行抗拉承载力试验,总结提出压力注胶法修复钢筋混凝土刚架拱桥裂缝的适用范围、施工工艺和主要技术指标,可供实际工程借鉴使用。 There are many kinds of crack repair techniques for RC rigid frame arch bridge, but some repairing effects are often not ideal. After analyzing the causes, types and common repairing techniques of fractures, the tensile test of repaired specimens was carried out by pressure injection method. The application of pressure injection method to repair the cracks in reinforced concrete rigid frame arch bridges was summarized. The construction technology and The main technical indicators can be used for practical projects.