U型桥台常见裂缝产生原因及加固方法研究

Research on Causes of Common Cracks on U-shaped Abutments and Its Reinforcement Methods

U型桥台在高速公路桥梁中广泛应用,但是建成通车后,桥台开裂现象普遍存在,且形式多样,若分析处治不当将影响桥梁的耐久性甚至结构安全。文章分析了U型桥台常见裂缝病害的特点及其成因,提出了针对性的处治加固方法,并通过案例分析验证了相关加固方法的有效性。

U-shaped abutments are widely used in expressway bridges.However,after completion and opening to traffic,the cracking of abutments is widespread and in various form s,and,if the analysis and treatment are improperly handled,it will affect the durability and even structural safety of bridges.This article analyzed the characteristics and causes of the common cracks in Ushaped abutments,proposed targeted methods for treatment and reinforcement,and verified the validity of related reinforcement methods by case analysis.