随着材料科学技术的发展,在现代化材料力学的大力支持下,人们对于桥梁的要求更为严格,轻巧、承载力强、功能丰富、跨度长等特征将会集中体现在桥梁的建设过程中。因此,为了减少桥梁垮塌事故的发生率,为了创造出承载力更强的桥梁,本文通过对材料力学的基本原理进行分析,探讨了在钢架拱桥的教学实验中其桥梁的力学性能,深入分析了现代化桥梁建设理论中蕴含的材料力学原理,从而增强桥梁的安全等综合性能。 With the development of material science and technology, with the strong support of modern material mechanics, people are stricter on the requirements of bridges, and are characterized by light weight, strong carrying capacity, rich functions and long span, which will be embodied in the process of bridge construction. Therefore, in order to reduce the incidence of bridge collapse accident, in order to create a bridge with stronger bearing capacity, the paper analyzes the basic principle of material mechanics, and discusses the mechanical properties of the bridge in the teaching experiment of steel arch bridge, in-depth analysis The theory of material mechanics embodied in the theory of modern bridge construction enhances the overall performance of the bridge such as safety.