摘要
随着国家对西藏公路建设的投资日益增加,公路等级的不断提高,公路建设已处在"质"与"量"并重的发展阶段。目前由于公路设计、施工和养护管理等方面的原因,普遍存在桥头跳车的现象。桥头跳车,轻者使车辆通过时产生跳动和冲击,对桥梁和路面造成附加的冲击荷载,并使司乘人员感到颠簸,产生相对不安的心理影响;重者则使通过的车辆大幅度减速,甚至造成行车事故,从而使桥梁、伸缩缝及接缝路面遭到破坏,影响公路的正常运营。文章针对桥头跳车问题提出解决的基本技术措施。
With the on highway construction in Tibet, the highway construction has been steppe forward equally both in quality and quantity. Due to the reasons of design, construction and maintenance management of highway in Tibet, vehicle jumping from bridge Culvert becomes a common problem and results in an additional impact on road loading, causing anxiety for Drivers and even causing a significant deceleration of passing vehicles or traffic accidents, damage bridges and affecting normal operation of the road. This paper proposes a basic technical measurement to solve those problems.
关键词
桥涵
跳车
病害原因分析
防治措施
Bridge culvert
Analysis
Vehicle jumping
Technical measurement
