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该文结合秦岭山区高速公路的特点,结合多年秦岭山区高速公路桥梁设计的经验、体会,参考我国山区高速公路桥梁设计现状,针对京昆线陕西境越秦岭段复线宝鸡至汉中段高速公路桥梁设计中遇到的具体情况,分别从桥梁布孔及桥型方案、上部结构体系的选择、桥梁墩台设计、基础设计和桥梁抗震设计等方面进行分析,介绍桥梁设计中应考虑因素及具体的设计方法,总结出对山区高速公路桥梁设计者有一定参考价值的结论和意见,从而达到山区高速公路桥梁设计安全、经济、适用、美观的目标。
According to the characteristics of the expressway in Qinling Mountains and the experiences of bridge design in Qinling Mountains for many years, this paper analyzes the design of the bridges in the mountainous expressway in our country. According to the bridge design of Baoji-Hanzhong Expressway in the Qinling- In the specific circumstances encountered, respectively, from the bridge and the bridge layout of the program, the choice of the superstructure of the bridge pier design, basic design and seismic design of bridges and other aspects of the bridge design should be considered factors and specific design Method, summarizes the conclusions and opinions that have certain reference value to the bridge designer of mountain expressway, so as to achieve the goal of safe, economical, suitable and beautiful bridge design of mountain expressway.