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随着超载车辆的急剧增加,高速公路小桥涵出现的“单板受力”并含硬气了设计单位和管理部门的高度重视。本文通过对“单板受力”的表面特征、产生原因进行分析,从而提出在设计、施工工程中的预防措施。
With the rapid increase of overloaded vehicles, the appearance of the “small board bridges and culverts” in the expressways and bridges has taken the design units and management departments seriously. This paper analyzes the surface features and causes of “single board stress”, and puts forward the preventive measures in the design and construction projects.