从建桥材料的演变阐述了大跨度桥梁兴起的历程,通过一些桥梁实例总结了桥梁理论发展的要点,通过不断总结经验教训,推动了桥梁工程更好的发展。%This paper elaborated the rise course of large span bridge from the evolution of construction bridge materials, summed the development key points of bridge theory through some bridge examples, through constantly summing up the experiences and lessons, to promote the better development of bridge engineering.
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