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公路是发展山区经济和联系外界的重要通道,尤其是在国家提出西部大开发的口号之后,公路和桥梁对于山区的发展显得尤为重要。但是由于山区地形、地质结构复杂、自然灾害较平原地区更常见;另外一些人为因素尤其是重载车辆,致使山区的公路桥梁受损现象严重。本文针对山区的特点分析了承载要求高的公路桥梁的设计,以投入使用后的车辆运行管理,为山区公路桥梁保养和运行提供科学依据。
The highway is an important channel for developing mountain economy and connecting with the outside world. Especially after the country put forward the slogan of developing the western region, the development of roads and bridges is especially important for the development of mountainous areas. However, the natural disasters are more common than the plain areas due to the mountainous terrain and complicated geological structure. Other man-made factors, especially overloaded vehicles, cause serious damage to the road bridges in mountainous areas. According to the characteristics of mountainous area, this paper analyzes the design of highway bridges with high bearing requirements, and provides the scientific basis for the maintenance and operation of mountain highway bridges after the vehicles are put into service.